# dmesg [42895.017936] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018044] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018158] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018273] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018388] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018502] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018617] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018731] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018846] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.018960] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019074] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019189] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019303] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019418] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019533] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019648] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019762] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019877] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.019991] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020106] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020220] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020335] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020449] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020564] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020679] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020793] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.020908] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021022] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021137] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021251] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021366] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021481] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021595] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021710] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021824] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.021939] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022053] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022168] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022282] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022397] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022487] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022545] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022602] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022659] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022717] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022774] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022831] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022889] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.022946] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023003] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023060] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023118] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023177] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023234] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023292] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023349] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023406] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023464] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023521] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42895.023578] Task dump for CPU 48: [42895.023612] CPU 28/KVM R running task 0 44199 1 0x00042004 [42895.023680] Call Trace: [42895.023704] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [42895.023773] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [42895.023841] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [42895.023910] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [42895.023979] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [42895.024047] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [42895.024115] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [42895.024184] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [42895.024253] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [42895.024321] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [42895.024379] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [42895.024448] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [42895.024539] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [42895.024608] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [42895.024676] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [42895.024745] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [42895.024814] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [42895.024883] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [42895.024964] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [42895.025035] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [42895.025107] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [42895.025178] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [42895.025246] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [42895.025304] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [42895.025362] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [42910.008214] INFO: rcu_bh self-detected stall on CPU [42910.008305] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2477289 [42910.008384] (t=4967445 jiffies g=370 c=369 q=4) [42910.008433] Task dump for CPU 64: [42910.008467] CPU 19/KVM R running task 0 44190 1 0x00042004 [42910.008535] Call Trace: [42910.008559] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [42910.008628] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [42910.008697] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [42910.008766] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [42910.008834] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [42910.008903] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [42910.008971] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [42910.009039] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [42910.009108] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [42910.009177] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [42910.009235] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [42910.009305] --- interrupt: 901 at _raw_spin_lock+0x70/0xe0 LR = follow_page_pte+0x120/0x830 [42910.009395] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [42910.009464] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [42910.009532] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [42910.009601] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [42910.009670] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [42910.009740] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [42910.009820] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [42910.009892] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [42910.009963] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [42910.010034] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [42910.010104] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [42910.010161] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [42910.010219] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [42958.023324] INFO: rcu_sched self-detected stall on CPU [42958.023325] INFO: rcu_sched self-detected stall on CPU [42958.023329] 48-...: (5030411 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2511206 [42958.023329] [42958.023330] INFO: rcu_sched self-detected stall on CPU [42958.023333] 40-...: (5030617 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2511207 [42958.023334] [42958.023335] (t=5030655 jiffies g=269170 c=269169 q=735185) [42958.023336] Task dump for CPU 32: [42958.023336] numad R running task 0 2709 1 0x00042004 [42958.023337] Call Trace: [42958.023338] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [42958.023340] (t=5030655 jiffies g=269170 c=269169 q=735185) [42958.023340] (unreliable) [42958.023341] Task dump for CPU 40: [42958.023342] CPU 0/KVM R [42958.023342] Task dump for CPU 32: [42958.023343] running task 0 44171 1 0x00042004 [42958.023344] Call Trace: [42958.023345] numad R [42958.023346] [c0000007e9ce30f0] [0000000000000001] 0x1 [42958.023346] running task [42958.023347] (unreliable) [42958.023348] 0 2709 1 0x00042004 [42958.023349] Task dump for CPU 48: [42958.023349] CPU 28/KVM R running task [42958.023350] Call Trace: [42958.023351] 0 44199 1 0x00042004 [42958.023351] Call Trace: [42958.023353] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [42958.023354] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [42958.023356] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [42958.023357] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [42958.023358] (unreliable) [42958.023360] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [42958.023362] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [42958.023363] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [42958.023364] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [42958.023365] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [42958.023367] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [42958.023368] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [42958.023370] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [42958.023372] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [42958.023373] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [42958.023374] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [42958.023376] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [42958.023377] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [42958.023379] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [42958.023381] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [42958.023384] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [42958.023388] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [42958.023392] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [42958.023396] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [42958.023397] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [42958.023399] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [42958.023400] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [42958.023402] Task dump for CPU 40: [42958.023403] CPU 0/KVM R running task 0 44171 1 0x00042004 [42958.023404] Call Trace: [42958.023407] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [42958.023409] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [42958.023413] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [42958.023416] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [42958.023418] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [42958.023420] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [42958.023423] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [42958.023425] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [42958.023428] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [42958.023431] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [42958.023434] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [42958.023439] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [42958.023440] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [42958.023443] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [42958.023446] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [42958.023448] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [42958.023451] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [42958.023455] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [42958.023459] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [42958.023466] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [42958.023474] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [42958.023481] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [42958.023484] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [42958.023487] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [42958.023491] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [42958.023492] Task dump for CPU 48: [42958.023493] CPU 28/KVM R running task 0 44199 1 0x00042004 [42958.023495] Call Trace: [42958.023496] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [42958.023499] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [42958.023501] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [42958.023504] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [42958.023506] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [42958.023510] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [42958.023514] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [42958.023521] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [42958.023528] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [42958.023534] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [42958.023538] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [42958.023540] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [42958.023543] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [42958.031118] 32-...: (5030355 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2511207 [42958.031195] (t=5030656 jiffies g=269170 c=269169 q=735185) [42958.031255] Task dump for CPU 32: [42958.031289] numad R running task 0 2709 1 0x00042004 [42958.031357] Call Trace: [42958.031381] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [42958.031449] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [42958.031519] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [42958.031587] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [42958.031656] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [42958.031723] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [42958.031791] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [42958.031859] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [42958.031926] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [42958.031995] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [42958.032052] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [42958.032120] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [42958.032210] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [42958.032278] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [42958.032346] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [42958.032413] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [42958.032481] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [42958.032585] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [42958.032721] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [42958.032858] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [42958.032995] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [42958.033132] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [42958.033268] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [42958.033405] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [42958.033542] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [42958.033656] Task dump for CPU 40: [42958.033722] CPU 0/KVM R running task 0 44171 1 0x00042004 [42958.033859] Call Trace: [42958.033903] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [42958.034019] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [42958.034155] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.034270] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.034384] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.034499] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.034614] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.034728] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.034843] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.034957] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035072] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035186] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035301] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035415] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035530] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035645] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035759] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035874] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.035988] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036103] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036218] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036332] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036447] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036561] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036676] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036790] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.036905] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037017] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037073] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037130] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037187] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037244] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037300] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037357] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037414] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037471] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037527] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037584] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037641] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037697] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037757] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037813] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037870] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037927] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.037983] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038040] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038097] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038154] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038211] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038267] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038324] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038381] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038438] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038495] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038552] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038608] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038665] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038722] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038779] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038835] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038892] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.038949] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.039006] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.039062] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.039119] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [42958.039176] Task dump for CPU 48: [42958.039210] CPU 28/KVM R running task 0 44199 1 0x00042004 [42958.039277] Call Trace: [42958.039300] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [42958.039369] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [42958.039437] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [42958.039505] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [42958.039573] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [42958.039642] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [42958.039722] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [42958.039793] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [42958.039863] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [42958.039933] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [42958.040002] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [42958.040059] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [42958.040116] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [42973.019049] INFO: rcu_bh self-detected stall on CPU [42973.019141] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2485150 [42973.019220] (t=4983198 jiffies g=370 c=369 q=4) [42973.019268] Task dump for CPU 64: [42973.019303] CPU 19/KVM R running task 0 44190 1 0x00042004 [42973.019371] Call Trace: [42973.019396] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [42973.019465] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [42973.019534] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [42973.019603] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [42973.019672] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [42973.019741] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [42973.019810] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [42973.019878] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [42973.019948] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [42973.020017] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [42973.020075] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [42973.020144] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [42973.020235] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [42973.020304] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [42973.020373] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [42973.020442] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [42973.020511] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [42973.020581] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [42973.020662] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [42973.020734] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [42973.020805] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [42973.020876] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [42973.020945] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [42973.021003] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [42973.021061] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43021.034159] INFO: rcu_sched self-detected stall on CPU [43021.034235] 40-...: (5046370 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2519082 [43021.034248] (t=5046408 jiffies g=269170 c=269169 q=738065) [43021.034316] Task dump for CPU 32: [43021.034354] numad R running task 0 2709 1 0x00042004 [43021.034429] Call Trace: [43021.034455] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43021.034530] Task dump for CPU 40: [43021.034567] CPU 0/KVM R running task 0 44171 1 0x00042004 [43021.034642] Call Trace: [43021.034669] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43021.034745] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43021.034820] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43021.034896] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43021.034971] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43021.035046] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43021.035121] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43021.035196] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43021.035271] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43021.035347] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43021.035411] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43021.035488] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43021.035586] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43021.035662] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43021.035738] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43021.035813] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43021.035889] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43021.035966] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43021.036055] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43021.036135] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43021.036216] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43021.036296] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43021.036372] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43021.036435] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43021.036499] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43021.036561] Task dump for CPU 48: [43021.036599] CPU 28/KVM R running task 0 44199 1 0x00042004 [43021.036674] Call Trace: [43021.036700] [ jiffies g=269170 c=269169 q=740341) [43084.049006] Task dump for CPU 32: [43084.049006] numad R running task 0 2709 1 0x00042004 [43084.049008] Call Trace: [43084.049009] (t=5062162 jiffies g=269170 c=269169 q=740341) [43084.049010] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43084.049011] Task dump for CPU 40: [43084.049012] CPU 0/KVM R [43084.049012] Task dump for CPU 32: [43084.049013] numad R [43084.049014] running task 0 44171 1 0x00042004 [43084.049014] Call Trace: [43084.049015] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43084.049016] running task [43084.049017] Task dump for CPU 48: [43084.049017] CPU 28/KVM R [43084.049019] 0 2709 1 0x00042004 [43084.049019] running task [43084.049020] Call Trace: [43084.049021] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [43084.049022] 0 44199 1 0x00042004 [43084.049023] (unreliable) [43084.049023] Call Trace: [43084.049025] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43084.049027] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43084.049028] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43084.049029] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43084.049031] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43084.049032] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43084.049033] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43084.049034] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43084.049036] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43084.049037] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43084.049039] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43084.049041] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43084.049042] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43084.049044] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43084.049045] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43084.049046] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43084.049048] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43084.049050] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43084.049052] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43084.049056] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43084.049061] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43084.049064] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43084.049066] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43084.049067] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43084.049069] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43084.049072] Task dump for CPU 40: [43084.049073] CPU 0/KVM R running task 0 44171 1 0x00042004 [43084.049075] Call Trace: [43084.049078] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43084.049080] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43084.049083] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43084.049086] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43084.049089] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43084.049092] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43084.049094] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43084.049096] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43084.049099] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43084.049101] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43084.049104] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43084.049108] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43084.049109] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43084.049112] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43084.049115] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43084.049118] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43084.049122] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43084.049126] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43084.049129] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43084.049136] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43084.049143] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43084.049149] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43084.049152] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43084.049155] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43084.049157] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43084.049159] Task dump for CPU 48: [43084.049159] CPU 28/KVM R running task 0 44199 1 0x00042004 [43084.049161] Call Trace: [43084.049162] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43084.049165] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43084.049169] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43084.049172] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43084.049174] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43084.049178] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43084.049181] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43084.049188] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43084.049195] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43084.049201] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43084.049204] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43084.049207] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43084.049209] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43084.056751] 32-...: (5061859 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2526956 [43084.056832] (t=5062163 jiffies g=269170 c=269169 q=740341) [43084.056891] Task dump for CPU 32: [43084.056925] numad R running task 0 2709 1 0x00042004 [43084.056993] Call Trace: [43084.057017] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43084.057085] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43084.057153] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43084.057222] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [43084.057289] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43084.057357] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43084.057424] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43084.057495] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43084.057564] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43084.057631] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43084.057688] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [43084.057757] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [43084.057845] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [43084.057913] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [43084.057981] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [43084.058048] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [43084.058116] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [43084.058173] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [43084.058241] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [43084.058308] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [43084.058376] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [43084.058495] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [43084.058631] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [43084.058768] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [43084.058905] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [43084.059019] Task dump for CPU 40: [43084.059085] CPU 0/KVM R running task 0 44171 1 0x00042004 [43084.059222] Call Trace: [43084.059267] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43084.059382] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [43084.059518] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.059633] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.059748] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.059862] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.059977] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060091] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060206] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060320] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060435] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060550] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060665] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060780] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.060894] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061009] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061124] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061238] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061353] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061467] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061582] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061696] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061811] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.061926] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062041] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062155] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062270] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062384] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062499] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062614] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062728] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062843] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062936] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.062993] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063049] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063106] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063162] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063219] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063276] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063332] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063389] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063446] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063502] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063559] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063616] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063673] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063732] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063789] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063846] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063902] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.063959] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064016] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064072] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064129] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064185] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064242] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064299] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064355] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064412] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064469] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064525] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064582] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064639] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064696] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064752] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43084.064809] Task dump for CPU 48: [43084.064843] CPU 28/KVM R running task 0 44199 1 0x00042004 [43084.064910] Call Trace: [43084.064933] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43084.065001] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43084.065069] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43084.065137] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43084.065205] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43084.065274] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43084.065354] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43084.065425] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43084.065496] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43084.065566] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43084.065634] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43084.065691] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43084.065748] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43099.040717] INFO: rcu_bh self-detected stall on CPU [43099.040808] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2500823 [43099.040887] (t=5014704 jiffies g=370 c=369 q=4) [43099.040936] Task dump for CPU 64: [43099.040970] CPU 19/KVM R running task 0 44190 1 0x00042004 [43099.041039] Call Trace: [43099.041063] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43099.041132] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43099.041201] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43099.041270] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43099.041338] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43099.041407] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43099.041476] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43099.041544] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43099.041613] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43099.041682] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43099.041740] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43099.041810] --- interrupt: 901 at _raw_spin_lock+0x70/0xe0 LR = follow_page_pte+0x120/0x830 [43099.041901] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43099.041969] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43099.042038] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43099.042107] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43099.042176] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43099.042246] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43099.042327] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43099.042398] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43099.042470] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43099.042541] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43099.042610] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43099.042667] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43099.042726] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43147.059828] INFO: rcu_sched self-detected stall on CPU [43147.059903] 40-...: (5077877 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2534831 [43147.059917] (t=5077915 jiffies g=269170 c=269169 q=743248) [43147.059985] Task dump for CPU 32: [43147.060022] numad R running task 0 2709 1 0x00042004 [43147.060097] Call Trace: [43147.060124] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43147.060198] Task dump for CPU 40: [43147.060236] CPU 0/KVM R running task 0 44171 1 0x00042004 [43147.060311] Call Trace: [43147.060338] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43147.060413] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43147.060489] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43147.060564] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43147.060639] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43147.060714] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43147.060789] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43147.060864] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43147.060940] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43147.061015] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43147.061079] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43147.061156] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43147.061254] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43147.061330] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43147.061406] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43147.061481] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43147.061557] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43147.061634] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43147.061723] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43147.061804] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43147.061885] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43147.061964] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43147.062040] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43147.062105] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43147.062168] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43147.062230] Task dump for CPU 48: [43147.062268] CPU 28/KVM R running task 0 44199 1 0x00042004 [43147.062343] Call Trace: [43147.062369] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43147.062444] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43147.062520] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43147.062596] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43147.062671] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43147.062748] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43147.062836] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43147.062916] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43147.062997] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43147.063076] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43147.063168] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43147.063283] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43147.063398] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43162.051551] INFO: rcu_bh self-detected stall on CPU [43162.051607] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2508657 [43162.051648] (t=5030457 jiffies g=370 c=369 q=4) [43162.051656] Task dump for CPU 64: [43162.051660] CPU 19/KVM R running task 0 44190 1 0x00042004 [43162.051710] Call Trace: [43162.051734] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43162.051803] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43162.051871] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43162.051940] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43162.052009] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43162.052077] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43162.052146] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43162.052214] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43162.052283] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43162.052352] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43162.052410] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43162.052479] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43162.052569] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43162.052638] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43162.052707] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43162.052776] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43162.052845] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43162.052914] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43162.052995] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43162.053067] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43162.053138] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43162.053209] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43162.053278] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43162.053336] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43162.053394] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43210.074661] INFO: rcu_sched self-detected stall on CPU [43210.074665] INFO: rcu_sched self-detected stall on CPU [43210.074670] 40-...: (5093631 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2542706 [43210.074670] [43210.074671] INFO: rcu_sched self-detected stall on CPU [43210.074672] 48-...: (5093425 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2542706 [43210.074673] [43210.074674] (t=5093669 jiffies g=269170 c=269169 q=745503) [43210.074675] (t=5093669 jiffies g=269170 c=269169 q=745503) [43210.074676] Task dump for CPU 32: [43210.074677] numad R running task 0 2709 1 0x00042004 [43210.074679] Call Trace: [43210.074680] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43210.074682] Task dump for CPU 40: [43210.074683] CPU 0/KVM R running task [43210.074684] Task dump for CPU 32: [43210.074684] numad R running task [43210.074686] 0 44171 1 0x00042004 [43210.074687] 0 2709 1 0x00042004 [43210.074687] Call Trace: [43210.074688] Call Trace: [43210.074690] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 [43210.074691] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [43210.074692] (unreliable) [43210.074693] (unreliable) [43210.074695] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43210.074697] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43210.074700] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43210.074702] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43210.074705] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43210.074707] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43210.074708] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43210.074711] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43210.074714] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43210.074716] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43210.074721] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43210.074722] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43210.074726] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43210.074729] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43210.074732] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43210.074735] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43210.074739] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43210.074743] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43210.074751] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43210.074758] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43210.074765] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43210.074768] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43210.074771] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43210.074775] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43210.074776] Task dump for CPU 48: [43210.074777] CPU 28/KVM R running task 0 44199 1 0x00042004 [43210.074778] Call Trace: [43210.074779] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43210.074782] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43210.074785] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43210.074788] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43210.074790] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43210.074794] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43210.074798] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43210.074805] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43210.074812] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43210.074818] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43210.074820] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43210.074823] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43210.074826] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43210.074828] Task dump for CPU 40: [43210.074828] CPU 0/KVM R running task 0 44171 1 0x00042004 [43210.074829] Call Trace: [43210.074830] Task dump for CPU 48: [43210.074830] CPU 28/KVM R running task 0 44199 1 0x00042004 [43210.074831] Call Trace: [43210.074832] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43210.074833] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43210.074835] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43210.074836] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43210.074838] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43210.074839] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43210.074840] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43210.074841] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43210.074842] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43210.074844] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43210.074845] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43210.074847] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43210.074848] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43210.074849] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43210.074852] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43210.074853] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43210.074855] [c0000007e9cab930] [c0000000002000000018e350] tick_sched_timer+0x0/0xd0 [43210.086037] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086152] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086267] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086381] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086496] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086610] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086725] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086839] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.086954] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087069] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087183] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087298] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087412] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087527] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087642] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087756] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087871] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.087985] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088100] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088214] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088329] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088443] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088558] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088650] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088706] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088763] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088820] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088876] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088933] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.088990] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089046] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089103] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089160] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089216] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089273] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089329] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089388] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089445] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089501] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089558] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089615] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089671] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089728] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089784] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089841] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089897] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.089954] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090011] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090067] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090124] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090180] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090237] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090293] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090350] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090407] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43210.090462] Task dump for CPU 48: [43210.090496] CPU 28/KVM R running task 0 44199 1 0x00042004 [43210.090563] Call Trace: [43210.090586] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43210.090655] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43210.090722] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43210.090790] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43210.090858] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43210.090926] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43210.091006] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43210.091077] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43210.091147] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43210.091218] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43210.091286] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43210.091343] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43210.091399] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43225.062386] INFO: rcu_bh self-detected stall on CPU [43225.062442] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2516493 [43225.062555] (t=5046210 jiffies g=370 c=369 q=4) [43225.062604] Task dump for CPU 64: [43225.062638] CPU 19/KVM R running task 0 44190 1 0x00042004 [43225.062707] Call Trace: [43225.062731] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43225.062799] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43225.062868] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43225.062937] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43225.063005] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43225.063074] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43225.063142] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43225.063210] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43225.063279] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43225.063348] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43225.063405] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43225.063475] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43225.063565] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43225.063634] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43225.063703] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43225.063772] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43225.063840] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43225.063910] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43225.063991] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43225.064062] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43225.064134] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43225.064205] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43225.064274] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43225.064332] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43225.064390] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43273.089496] INFO: rcu_sched self-detected stall on CPU [43273.089499] INFO: rcu_sched self-detected stall on CPU [43273.089500] INFO: rcu_sched self-detected stall on CPU [43273.089502] 48-...: (5109179 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2550582 [43273.089502] [43273.089505] 40-...: (5109385 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2550582 [43273.089506] [43273.089507] (t=5109423 jiffies g=269170 c=269169 q=748563) [43273.089508] Task dump for CPU 32: [43273.089509] numad R running task 0 2709 1 0x00042004 [43273.089510] Call Trace: [43273.089511] (t=5109423 jiffies g=269170 c=269169 q=748563) [43273.089512] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43273.089513] Task dump for CPU 40: [43273.089514] CPU 0/KVM R running task [43273.089515] Task dump for CPU 32: [43273.089516] numad R [43273.089517] 0 44171 1 0x00042004 [43273.089517] Call Trace: [43273.089517] running task [43273.089518] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43273.089520] 0 2709 1 0x00042004 [43273.089521] Task dump for CPU 48: [43273.089521] CPU 28/KVM R running task 0 44199 1 0x00042004 [43273.089522] Call Trace: [43273.089524] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [43273.089524] Call Trace: [43273.089526] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43273.089527] (unreliable) [43273.089528] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43273.089530] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43273.089531] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43273.089532] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43273.089534] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43273.089535] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43273.089536] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43273.089538] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43273.089539] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43273.089541] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43273.089543] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43273.089544] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43273.089545] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43273.089547] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43273.089548] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43273.089550] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43273.089552] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43273.089554] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43273.089558] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43273.089562] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43273.089566] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43273.089569] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43273.089570] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43273.089572] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43273.089575] Task dump for CPU 40: [43273.089575] CPU 0/KVM R running task 0 44171 1 0x00042004 [43273.089577] Call Trace: [43273.089580] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43273.089583] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43273.089587] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43273.089590] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43273.089592] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43273.089594] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43273.089596] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43273.089598] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43273.089601] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43273.089604] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43273.089606] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43273.089610] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43273.089612] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43273.089614] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43273.089617] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43273.089620] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43273.089622] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43273.089626] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43273.089630] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43273.089637] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43273.089644] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43273.089650] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43273.089653] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43273.089655] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43273.089658] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43273.089659] Task dump for CPU 48: [43273.089660] CPU 28/KVM R running task 0 44199 1 0x00042004 [43273.089662] Call Trace: [43273.089663] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43273.089666] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43273.089669] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43273.089672] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43273.089675] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43273.089680] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43273.089683] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43273.089690] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43273.089697] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43273.089703] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43273.089707] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43273.089710] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43273.089712] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43273.096908] 32-...: (5109114 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2550583 [43273.097065] (t=5109424 jiffies g=269170 c=269169 q=748563) [43273.097181] Task dump for CPU 32: [43273.097247] numad R running task 0 2709 1 0x00042004 [43273.097383] Call Trace: [43273.097410] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43273.097477] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43273.097545] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43273.097613] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [43273.097681] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43273.097749] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43273.097816] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43273.097884] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43273.097952] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43273.098020] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43273.098077] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [43273.098147] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [43273.098237] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [43273.098305] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [43273.098373] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [43273.098440] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [43273.098508] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [43273.098565] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [43273.098633] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [43273.098701] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [43273.098768] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [43273.098836] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [43273.098903] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [43273.098971] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [43273.099080] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [43273.099194] Task dump for CPU 40: [43273.099260] CPU 0/KVM R running task 0 44171 1 0x00042004 [43273.099397] Call Trace: [43273.099441] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43273.099557] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [43273.099693] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.099808] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.099922] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100037] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100151] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100265] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100380] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100494] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100609] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100724] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100838] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.100953] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101068] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101182] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101297] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101412] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101526] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101641] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101756] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101870] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.101985] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102100] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102214] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102329] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102444] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102558] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102672] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102787] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.102901] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103016] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103131] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103245] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103360] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103474] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103553] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103610] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103666] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103723] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103779] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103836] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103893] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.103950] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104006] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104063] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104120] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104176] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104233] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104290] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104346] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104403] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104460] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104517] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104573] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104630] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104687] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104744] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104800] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104857] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104914] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.104973] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.105030] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.105086] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.105143] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43273.105199] Task dump for CPU 48: [43273.105233] CPU 28/KVM R running task 0 44199 1 0x00042004 [43273.105300] Call Trace: [43273.105324] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43273.105392] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43273.105460] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43273.105528] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43273.105596] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43273.105665] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43273.105744] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43273.105815] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43273.105886] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43273.105956] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43273.106024] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43273.106081] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43273.106138] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43288.073220] INFO: rcu_bh self-detected stall on CPU [43288.073276] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2524323 [43288.073285] (t=5061963 jiffies g=370 c=369 q=4) [43288.073292] Task dump for CPU 64: [43288.073297] CPU 19/KVM R running task 0 44190 1 0x00042004 [43288.073305] Call Trace: [43288.073308] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43288.073378] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43288.073447] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43288.073516] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43288.073584] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43288.073653] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43288.073721] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43288.073789] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43288.073858] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43288.073928] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43288.073985] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43288.074054] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43288.074145] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43288.074214] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43288.074283] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43288.074352] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43288.074421] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43288.074490] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43288.074571] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43288.074642] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43288.074714] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43288.074785] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43288.074853] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43288.074911] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43288.074969] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43336.100331] INFO: rcu_sched self-detected stall on CPU [43336.100406] 40-...: (5125138 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2558458 [43336.100420] (t=5125176 jiffies g=269170 c=269169 q=751479) [43336.100489] Task dump for CPU 32: [43336.100526] numad R running task 0 2709 1 0x00042004 [43336.100601] Call Trace: [43336.100627] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43336.100703] Task dump for CPU 40: [43336.100740] CPU 0/KVM R running task 0 44171 1 0x00042004 [43336.100815] Call Trace: [43336.100842] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43336.100918] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43336.100993] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43336.101069] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43336.101145] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43336.101221] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43336.101296] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43336.101372] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43336.101448] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43336.101523] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43336.101588] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43336.101665] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43336.101764] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43336.101840] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43336.101916] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43336.101992] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43336.102068] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43336.102146] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43336.102235] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43336.102315] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43336.102397] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43336.102476] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43336.102552] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43336.102617] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43336.102680] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43336.102743] Task dump for CPU 48: [43336.102781] CPU 28/KVM R running task 0 44199 1 0x00042004 [43336.102856] Call Trace: [43336.102882] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43336.102958] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43336.103034] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43336.103110] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43336.103186] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43336.103263] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43336.103351] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43336.103432] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43336.103512] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43336.103592] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43336.103719] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43336.103833] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43336.103948] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43351.084054] INFO: rcu_bh self-detected stall on CPU [43351.084122] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2532189 [43351.084130] (t=5077716 jiffies g=370 c=369 q=4) [43351.084138] Task dump for CPU 64: [43351.084142] CPU 19/KVM R running task 0 44190 1 0x00042004 [43351.084212] Call Trace: [43351.084236] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43351.084305] [c0000007e9cb3[c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43399.115203] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43399.115204] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43399.115205] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43399.115207] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43399.115208] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43399.115210] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43399.115212] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43399.115213] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43399.115214] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43399.115216] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43399.115217] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43399.115219] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43399.115221] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43399.115223] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43399.115228] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43399.115232] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43399.115236] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43399.115238] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43399.115240] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43399.115241] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43399.115244] Task dump for CPU 40: [43399.115245] CPU 0/KVM R running task 0 44171 1 0x00042004 [43399.115247] Call Trace: [43399.115249] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43399.115253] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43399.115256] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43399.115258] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43399.115261] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43399.115264] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43399.115266] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43399.115268] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43399.115272] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43399.115275] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43399.115277] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43399.115281] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43399.115283] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43399.115285] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43399.115288] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43399.115291] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43399.115293] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43399.115298] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43399.115302] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43399.115309] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43399.115317] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43399.115324] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43399.115326] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43399.115329] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43399.115331] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43399.115333] Task dump for CPU 48: [43399.115333] CPU 28/KVM R running task 0 44199 1 0x00042004 [43399.115335] Call Trace: [43399.115336] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43399.115339] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43399.115342] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43399.115344] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43399.115347] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43399.115351] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43399.115354] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43399.115361] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43399.115368] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43399.115374] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43399.115377] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43399.115379] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43399.115382] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43399.122862] 32-...: (5140618 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2566335 [43399.122939] (t=5140931 jiffies g=269170 c=269169 q=753746) [43399.122998] Task dump for CPU 32: [43399.123032] numad R running task 0 2709 1 0x00042004 [43399.123100] Call Trace: [43399.123124] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43399.123192] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43399.123260] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43399.123328] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [43399.123396] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43399.123464] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43399.123534] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43399.123601] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43399.123669] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43399.123737] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43399.123794] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [43399.123863] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [43399.123952] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [43399.124020] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [43399.124088] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [43399.124155] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [43399.124223] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [43399.124280] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [43399.124348] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [43399.124416] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [43399.124484] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [43399.124551] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [43399.124646] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [43399.124783] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [43399.124920] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [43399.125034] Task dump for CPU 40: [43399.125100] CPU 0/KVM R running task 0 44171 1 0x00042004 [43399.125237] Call Trace: [43399.125281] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43399.125396] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [43399.125533] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.125648] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.125762] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.125877] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.125992] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126106] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126221] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126335] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126450] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126564] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126679] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126794] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.126908] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127023] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127137] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127252] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127367] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127481] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127596] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127710] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127825] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.127939] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128054] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128168] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128283] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128398] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128512] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128627] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128742] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128856] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.128971] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129085] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129155] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129212] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129269] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129326] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129382] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129439] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129496] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129553] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129610] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129666] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129723] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129780] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129837] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129896] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.129953] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130010] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130067] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130124] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130180] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130237] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130294] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130351] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130408] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130464] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130521] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130578] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130635] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130692] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130749] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130806] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130862] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43399.130919] Task dump for CPU 48: [43399.130953] CPU 28/KVM R running task 0 44199 1 0x00042004 [43399.131020] Call Trace: [43399.131043] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43399.131112] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43399.131180] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43399.131248] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43399.131316] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43399.131385] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43399.131465] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43399.131536] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43399.131607] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43399.131677] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43399.131746] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43399.131803] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43399.131860] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43414.094888] INFO: rcu_bh self-detected stall on CPU [43414.094944] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2540049 [43414.095058] (t=5093469 jiffies g=370 c=369 q=4) [43414.095106] Task dump for CPU 64: [43414.095141] CPU 19/KVM R running task 0 44190 1 0x00042004 [43414.095209] Call Trace: [43414.095233] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43414.095302] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43414.095371] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43414.095439] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43414.095508] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43414.095577] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43414.095645] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43414.095713] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43414.095783] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43414.095851] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43414.095909] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43414.095978] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43414.096068] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43414.096137] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43414.096206] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43414.096275] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43414.096343] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43414.096413] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43414.096494] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43414.096565] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43414.096637] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43414.096707] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43414.096777] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43414.096834] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43414.096892] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43462.129998] INFO: rcu_sched self-detected stall on CPU [43462.130001] INFO: rcu_sched self-detected stall on CPU [43462.130003] 48-...: (5156440 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2574210 [43462.130003] [43462.130004] INFO: rcu_sched self-detected stall on CPU [43462.130007] 40-...: (5156646 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2574210 [43462.130008] [43462.130009] (t=5156684 jiffies g=269170 c=269169 q=756708) [43462.130010] Task dump for CPU 32: [43462.130011] numad R running task 0 2709 1 0x00042004 [43462.130012] Call Trace: [43462.130013] (t=5156684 jiffies g=269170 c=269169 q=756708) [43462.130014] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43462.130015] Task dump for CPU 40: [43462.130015] CPU 0/KVM R running task [43462.130017] Task dump for CPU 32: [43462.130017] 0 44171 1 0x00042004 [43462.130018] numad R [43462.130019] Call Trace: [43462.130019] [c0000007e9ce30f0] [0000000000000001] 0x1 [43462.130020] running task 0 2709 1 0x00042004 [43462.130022] Call Trace: [43462.130022] (unreliable) [43462.130024] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43462.130025] Task dump for CPU 48: [43462.130026] CPU 28/KVM R running task 0 44199 1 0x00042004 [43462.130027] Call Trace: [43462.130028] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43462.130029] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43462.130031] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43462.130032] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43462.130033] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43462.130035] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43462.130036] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43462.130037] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43462.130038] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43462.130040] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43462.130041] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43462.130044] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43462.130045] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43462.130046] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43462.130048] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43462.130049] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43462.130051] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43462.130053] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43462.130056] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43462.130060] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43462.130064] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43462.130069] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43462.130071] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43462.130072] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43462.130075] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43462.130079] Task dump for CPU 40: [43462.130080] CPU 0/KVM R running task 0 44171 1 0x00042004 [43462.130083] Call Trace: [43462.130085] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43462.130088] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43462.130090] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43462.130093] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43462.130095] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43462.130097] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43462.130099] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43462.130101] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43462.130103] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43462.130106] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43462.130109] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43462.130113] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43462.130114] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43462.130118] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43462.130120] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43462.130123] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43462.130126] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43462.130130] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43462.130133] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43462.130140] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43462.130147] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43462.130155] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43462.130158] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43462.130160] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43462.130163] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43462.130164] Task dump for CPU 48: [43462.130165] CPU 28/KVM R running task 0 44199 1 0x00042004 [43462.130166] Call Trace: [43462.130167] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43462.130170] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43462.130173] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43462.130175] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43462.130178] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43462.130181] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43462.130185] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43462.130192] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43462.130199] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43462.130205] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43462.130209] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43462.130212] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43462.130214] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43462.137523] 32-...: (5156369 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2574211 [43462.137667] (t=5156685 jiffies g=269170 c=269169 q=756708) [43462.137726] Task dump for CPU 32: [43462.137760] numad R running task 0 2709 1 0x00042004 [43462.137827] Call Trace: [43462.137851] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43462.137919] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43462.137987] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43462.138055] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [43462.138123] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43462.138191] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43462.138258] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43462.138327] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43462.138396] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43462.138465] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43462.138522] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [43462.138591] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [43462.138680] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [43462.138748] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [43462.138816] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [43462.138884] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [43462.138951] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [43462.139009] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [43462.139076] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [43462.139144] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [43462.139212] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [43462.139299] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [43462.139435] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [43462.139572] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [43462.139709] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [43462.139823] Task dump for CPU 40: [43462.139889] CPU 0/KVM R running task 0 44171 1 0x00042004 [43462.140026] Call Trace: [43462.140071] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43462.140186] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [43462.140323] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.140437] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.140552] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.140666] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.140781] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.140895] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141010] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141124] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141239] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141353] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141468] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141583] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141697] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141812] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.141926] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142041] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142156] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142271] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142385] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142500] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142614] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142728] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142843] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.142958] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143072] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143187] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143302] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143416] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143531] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143645] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143760] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143827] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143884] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143941] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.143998] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144054] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144111] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144168] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144225] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144282] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144339] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144396] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144452] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144509] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144570] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144626] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144683] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144740] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144797] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144853] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144910] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.144967] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.145024] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.145081] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.145137] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43462.145194] [c0000007e9ce3148] [c00000000018e350] cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43477.107355] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43477.107413] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43477.107471] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43525.140834] INFO: rcu_sched self-detected stall on CPU [43525.140897] 40-...: (5172399 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2582086 [43525.140912] (t=5172437 jiffies g=269170 c=269169 q=759595) [43525.140928] Task dump for CPU 32: [43525.140967] numad R running task 0 2709 1 0x00042004 [43525.141042] Call Trace: [43525.141069] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43525.141144] Task dump for CPU 40: [43525.141181] CPU 0/KVM R running task 0 44171 1 0x00042004 [43525.141256] Call Trace: [43525.141284] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43525.141360] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43525.141435] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43525.141512] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43525.141587] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43525.141662] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43525.141737] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43525.141812] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43525.141887] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43525.141962] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43525.142026] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43525.142103] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43525.142202] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43525.142278] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43525.142353] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43525.142429] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43525.142504] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43525.142581] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43525.142670] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43525.142751] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43525.142832] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43525.142912] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43525.142988] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43525.143052] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43525.143116] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43525.143179] Task dump for CPU 48: [43525.143217] CPU 28/KVM R running task 0 44199 1 0x00042004 [43525.143292] Call Trace: [43525.143318] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43525.143395] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43525.143471] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43525.143547] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43525.143623] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43525.143700] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43525.143788] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43525.143869] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43525.143949] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43525.144028] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43525.144147] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43525.144261] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43525.144377] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43540.116558] INFO: rcu_bh self-detected stall on CPU [43540.116613] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2555798 [43540.116644] (t=5124975 jiffies g=370 c=369 q=4) [43540.116652] Task dump for CPU 64: [43540.116656] CPU 19/KVM R running task 0 44190 1 0x00042004 [43540.116716] Call Trace: [43540.116741] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43540.116810] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43540.116878] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43540.116948] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43540.117017] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43540.117086] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43540.117155] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43540.117224] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43540.117293] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43540.117362] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43540.117421] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43540.117490] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43540.117581] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43540.117651] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43540.117720] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43540.117789] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43540.117858] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43540.117928] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43540.118009] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43540.118080] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43540.118152] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43540.118223] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43540.118292] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43540.118350] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43540.118408] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43588.155667] INFO: rcu_sched self-detected stall on CPU [43588.155670] INFO: rcu_sched self-detected stall on CPU [43588.155672] 48-...: (5187947 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2589963 [43588.155672] [43588.155673] INFO: rcu_sched self-detected stall on CPU [43588.155676] 40-...: (5188153 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2589963 [43588.155677] [43588.155678] (t=5188191 jiffies g=269170 c=269169 q=761858) [43588.155679] Task dump for CPU 32: [43588.155679] numad R running task 0 2709 1 0x00042004 [43588.155682] (t=5188191 jiffies g=269170 c=269169 q=761858) [43588.155682] Call Trace: [43588.155683] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43588.155684] Task dump for CPU 40: [43588.155684] CPU 0/KVM R [43588.155685] Task dump for CPU 32: [43588.155686] running task [43588.155687] numad R running task [43588.155688] 0 44171 1 0x00042004 [43588.155688] Call Trace: [43588.155689] [c0000007e9ce30f0] [0000000000000001] 0x1 [43588.155690] 0 2709 1 0x00042004 [43588.155691] Call Trace: [43588.155691] (unreliable) [43588.155693] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [43588.155693] Task dump for CPU 48: [43588.155694] CPU 28/KVM R running task 0 44199 1 0x00042004 [43588.155695] (unreliable) [43588.155696] Call Trace: [43588.155697] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 [43588.155698] (unreliable) [43588.155699] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43588.155701] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43588.155702] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43588.155704] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43588.155705] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43588.155706] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43588.155707] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43588.155709] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43588.155710] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43588.155712] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43588.155714] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43588.155715] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43588.155716] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43588.155718] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43588.155719] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43588.155721] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43588.155723] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43588.155726] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43588.155730] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43588.155735] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43588.155739] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43588.155741] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43588.155743] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43588.155746] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43588.155747] Task dump for CPU 40: [43588.155748] CPU 0/KVM R running task 0 44171 1 0x00042004 [43588.155751] Call Trace: [43588.155754] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43588.155757] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43588.155759] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43588.155761] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43588.155764] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43588.155766] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43588.155768] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43588.155770] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43588.155773] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43588.155776] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43588.155779] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43588.155783] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43588.155785] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43588.155789] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43588.155791] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43588.155794] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43588.155797] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43588.155801] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43588.155804] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43588.155811] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43588.155819] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43588.155825] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43588.155829] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43588.155833] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43588.155836] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43588.155837] Task dump for CPU 48: [43588.155838] CPU 28/KVM R running task 0 44199 1 0x00042004 [43588.155839] Call Trace: [43588.155841] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43588.155843] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43588.155846] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43588.155849] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43588.155851] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43588.155855] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43588.155858] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43588.155865] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43588.155872] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43588.155878] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43588.155882] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43588.155885] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43588.155888] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43588.163284] 32-...: (5187873 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2589964 [43588.163394] (t=5188192 jiffies g=269170 c=269169 q=761858) [43588.163453] Task dump for CPU 32: [43588.163487] numad R running task 0 2709 1 0x00042004 [43588.163555] Call Trace: [43588.163579] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43588.163647] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43588.163715] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43588.163784] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [43588.163851] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43588.163919] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43588.163987] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43588.164058] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43588.164126] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43588.164194] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43588.164251] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [43588.164319] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [43588.164409] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [43588.164476] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [43588.164544] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [43588.164612] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [43588.164679] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [43588.164736] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [43588.164804] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [43588.164872] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [43588.164940] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [43588.165057] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [43588.165194] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [43588.165331] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [43588.165468] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [43588.165582] Task dump for CPU 40: [43588.165648] CPU 0/KVM R running task 0 44171 1 0x00042004 [43588.165785] Call Trace: [43588.165829] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43588.165944] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [43588.166081] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166195] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166310] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166425] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166539] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166654] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166769] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166883] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.166998] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167112] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167227] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167341] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167456] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167570] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167685] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167799] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.167914] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168029] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168143] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168258] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168373] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168487] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168602] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168717] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168831] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.168946] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169061] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169175] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169290] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169404] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169498] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169555] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169611] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169668] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169724] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169781] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169838] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169894] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.169951] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170008] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170065] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170122] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170178] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170238] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170295] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170352] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170409] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170465] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170522] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170579] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170635] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170692] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170749] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170805] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170862] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170918] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.170975] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.171032] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.171089] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.171145] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.171202] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.171259] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.171315] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43588.171372] Task dump for CPU 48: [43588.171406] CPU 28/KVM R running task 0 44199 1 0x00042004 [43588.171473] Call Trace: [43588.171496] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43588.171564] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43588.171632] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43588.171700] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43588.171768] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43588.171837] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43588.171917] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43588.171988] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43588.172059] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43588.172129] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43588.172197] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43588.172255] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43588.172312] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43603.127392] INFO: rcu_bh self-detected stall on CPU [43603.127447] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2563673 [43603.127455] (t=5140728 jiffies g=370 c=369 q=4) [43603.127463] Task dump for CPU 64: [43603.127467] CPU 19/KVM R running task 0 44190 1 0x00042004 [43603.127475] Call Trace: [43603.127479] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43603.127539] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43603.127608] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43603.127677] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43603.127745] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43603.127814] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43603.127883] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43603.127951] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43603.128021] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43603.128090] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43603.128148] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43603.128217] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43603.128308] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43603.128377] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43603.128446] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43603.128515] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43603.128584] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43603.128654] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43603.128735] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43603.128806] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43603.128878] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43603.128950] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43603.129019] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43603.129077] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43603.129135] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43651.170501] INFO: rcu_sched self-detected stall on CPU [43651.170504] INFO: rcu_sched self-detected stall on CPU [43651.170506] 48-...: (5203701 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2597838 [43651.170506] [43651.170507] INFO: rcu_sched self-detected stall on CPU [43651.170511] 40-...: (5203907 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2597839 [43651.170511] [43651.170512] (t=5203945 jiffies g=269170 c=269169 q=764755) [43651.170513] Task dump for CPU 32: [43651.170514] numad R running task 0 2709 1 0x00042004 [43651.170515] Call Trace: [43651.170516] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [43651.170517] (t=5203945 jiffies g=269170 c=269169 q=764755) [43651.170517] (unreliable) [43651.170518] Task dump for CPU 40: [43651.170519] CPU 0/KVM R running task 0 44171 1 0x00042004 [43651.170520] Call Trace: [43651.170521] Task dump for CPU 32: [43651.170522] [c0000007e9ce30f0] [0000000000000001] 0x1 [43651.170522] numad R running task [43651.170523] (unreliable) [43651.170525] 0 2709 1 0x00042004 [43651.170525] Task dump for CPU 48: [43651.170526] CPU 28/KVM R running task [43651.170527] Call Trace: [43651.170528] 0 44199 1 0x00042004 [43651.170528] Call Trace: [43651.170529] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 [43651.170531] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [43651.170531] (unreliable) [43651.170533] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43651.170534] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43651.170535] (unreliable) [43651.170537] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43651.170538] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43651.170540] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43651.170541] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43651.170542] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43651.170544] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43651.170545] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43651.170547] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43651.170549] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43651.170550] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43651.170552] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43651.170553] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43651.170555] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43651.170556] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43651.170559] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43651.170562] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43651.170566] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43651.170570] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43651.170573] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43651.170575] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43651.170576] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43651.170578] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43651.170579] Task dump for CPU 40: [43651.170580] CPU 0/KVM R running task 0 44171 1 0x00042004 [43651.170582] Call Trace: [43651.170584] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43651.170588] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43651.170590] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43651.170593] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43651.170596] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43651.170600] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43651.170602] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43651.170605] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43651.170608] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43651.170610] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43651.170613] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43651.170617] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43651.170618] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43651.170621] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43651.170623] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43651.170626] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43651.170628] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43651.170632] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43651.170636] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43651.170643] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43651.170650] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43651.170656] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43651.170659] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43651.170661] [c0000007e9ce51.180342] CPU 0/KVM R running task 0 44171 1 0x00042004 [43651.180478] Call Trace: [43651.180523] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43651.180638] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [43651.180775] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.180889] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181004] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181118] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181233] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181348] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181462] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181577] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181691] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181806] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.181920] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182035] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182149] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182264] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182378] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182493] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182608] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182722] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182837] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.182951] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183066] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183181] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183296] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183410] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183525] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183639] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183754] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183869] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.183983] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184098] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184213] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184327] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184442] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184528] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184585] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184642] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184698] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184755] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184812] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184868] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184925] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.184981] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185038] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185094] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185151] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185208] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185265] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185323] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185379] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185436] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185493] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185549] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185606] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185663] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185719] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185776] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185833] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185889] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.185946] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.186002] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.186059] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.186116] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.186172] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43651.186228] Task dump for CPU 48: [43651.186262] CPU 28/KVM R running task 0 44199 1 0x00042004 [43651.186329] Call Trace: [43651.186352] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43651.186421] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43651.186489] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43651.186557] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43651.186625] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43651.186694] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43651.186773] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43651.186843] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43651.186914] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43651.186984] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43651.187053] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43651.187110] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43651.187167] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43666.138226] INFO: rcu_bh self-detected stall on CPU [43666.138317] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2571548 [43666.138396] (t=5156481 jiffies g=370 c=369 q=4) [43666.138444] Task dump for CPU 64: [43666.138478] CPU 19/KVM R running task 0 44190 1 0x00042004 [43666.138547] Call Trace: [43666.138571] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43666.138639] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43666.138708] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43666.138777] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43666.138846] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43666.138914] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43666.138983] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43666.139051] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43666.139120] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43666.139189] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43666.139246] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43666.139316] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43666.139406] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43666.139475] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43666.139544] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43666.139613] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43666.139681] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43666.139751] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43666.139832] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43666.139903] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43666.139974] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43666.140045] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43666.140114] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43666.140172] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43666.140230] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43714.181336] INFO: rcu_sched self-detected stall on CPU [43714.181398] 40-...: (5219660 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2605707 [43714.181413] (t=5219698 jiffies g=269170 c=269169 q=767658) [43714.181428] Task dump for CPU 32: [43714.181457] numad R running task 0 2709 1 0x00042004 [43714.181532] Call Trace: [43714.181559] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43714.181633] Task dump for CPU 40: [43714.181671] CPU 0/KVM R running task 0 44171 1 0x00042004 [43714.181746] Call Trace: [43714.181773] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43714.181848] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43714.181924] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43714.182000] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43714.182074] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43714.182150] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43714.182225] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43714.182299] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43714.182375] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43714.182451] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43714.182515] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43714.182592] --- interrupt: 901 at _raw_spin_lock+0x70/0xe0 LR = follow_page_pte+0x120/0x830 [43714.182691] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43714.182766] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43714.182841] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43714.182917] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43714.182992] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43714.183069] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43714.183158] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43714.183239] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43714.183319] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43714.183399] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43714.183475] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43714.183539] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43714.183603] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43714.183665] Task dump for CPU 48: [43714.183702] CPU 28/KVM R running task 0 44199 1 0x00042004 [43714.183777] Call Trace: [43714.183803] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43714.183879] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43714.183955] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43714.184030] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43714.184106] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43714.184182] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43714.184271] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43714.184351] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43714.184431] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43714.184510] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43714.184599] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43714.184714] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43714.184828] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43729.149060] INFO: rcu_bh self-detected stall on CPU [43729.149115] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2579420 [43729.149124] (t=5172234 jiffies g=370 c=369 q=4) [43729.149131] Task dump for CPU 64: [43729.149135] CPU 19/KVM R running task 0 44190 1 0x00042004 [43729.149142] Call Trace: [43729.149146] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43729.149206] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43729.149275] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43729.149344] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43729.149412] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43729.149481] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43729.149549] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43729.149617] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43729.149686] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43729.149755] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43729.149813] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43729.149882] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43729.149973] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43729.150042] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43729.150110] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43729.150179] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43729.150248] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43729.150317] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43729.150398] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43729.150469] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43729.150541] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43729.150612] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43729.150681] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43729.150738] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43729.150796] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43777.192170] INFO: rcu_sched self-detected stall on CPU [43777.192233] 40-...: (5235413 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2613583 [43777.192249] (t=5235451 jiffies g=269170 c=269169 q=769907) [43777.192264] Task dump for CPU 32: [43777.192303] numad R running task 0 2709 1 0x00042004 [43777.192378] Call Trace: [43777.192405] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43777.192480] Task dump for CPU 40: [43777.192517] CPU 0/KVM R running task 0 44171 1 0x00042004 [43777.192592] Call Trace: [43777.192619] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43777.192695] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43777.192770] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43777.192845] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43777.192921] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43777.192996] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43777.193071] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43777.193146] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43777.193221] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43777.193297] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43777.193361] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43777.193438] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43777.193536] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43777.193612] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43777.193687] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43777.193763] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43777.193839] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43777.193916] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43777.194005] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43777.194087] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43777.194168] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43777.194248] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43777.194324] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43777.194388] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43777.194452] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43777.194515] Task dump for CPU 48: [43777.194552] CPU 28/KVM R running task 0 44199 1 0x00042004 [43777.194627] Call Trace: [43777.194653] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43777.194730] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43777.194805] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43777.194881] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43777.194957] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43777.195035] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43777.195123] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43777.195204] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43777.195285] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43777.195364] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43777.195456] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43777.195571] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43777.195686] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43792.159895] INFO: rcu_bh self-detected stall on CPU [43792.159950] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2587293 [43792.159959] (t=5187987 jiffies g=370 c=369 q=4) [43792.159967] Task dump for CPU 64: [43792.159971] CPU 19/KVM R running task 0 44190 1 0x00042004 [43792.159979] Call Trace: [43792.159983] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43792.160053] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43792.160122] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43792.160191] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43792.160259] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43792.160328] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43792.160397] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43792.160465] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43792.160535] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43792.160603] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43792.160661] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43792.160731] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43792.160822] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43792.160891] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43792.160960] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43792.161029] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43792.161098] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43792.161168] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43792.161248] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43792.161319] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43792.161391] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43792.161463] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43792.161532] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43792.161590] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43792.161647] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43840.207004] INFO: rcu_sched self-detected stall on CPU [43840.207007] INFO: rcu_sched self-detected stall on CPU [43840.207009] 48-...: (5250961 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2621459 [43840.207009] [43840.207011] INFO: rcu_sched self-detected stall on CPU [43840.207014] 40-...: (5251167 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2621459 [43840.207014] [43840.207015] (t=5251205 jiffies g=269170 c=269169 q=772172) [43840.207016] Task dump for CPU 32: [43840.207017] numad R running task 0 2709 1 0x00042004 [43840.207018] Call Trace: [43840.207019] (t=5251205 jiffies g=269170 c=269169 q=772172) [43840.207020] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43840.207021] Task dump for CPU 40: [43840.207022] CPU 0/KVM R running task [43840.207023] Task dump for CPU 32: [43840.207024] numad R [43840.207025] 0 44171 1 0x00042004 [43840.207025] Call Trace: [43840.207026] running task [43840.207026] [c0000007e9ce30f0] [0000000000000001] 0x1 [43840.207028] 0 2709 1 0x00042004 [43840.207028] (unreliable) [43840.207029] Call Trace: [43840.207030] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [43840.207031] (unreliable) [43840.207032] Task dump for CPU 48: [43840.207032] CPU 28/KVM R [43840.207033] running task 0 44199 1 0x00042004 [43840.207034] Call Trace: [43840.207036] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43840.207037] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43840.207038] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43840.207040] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43840.207041] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43840.207042] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43840.207044] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43840.207045] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43840.207046] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43840.207048] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43840.207049] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43840.207052] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43840.207052] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43840.207054] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43840.207055] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43840.207057] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43840.207058] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43840.207062] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43840.207064] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43840.207068] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43840.207072] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43840.207075] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43840.207077] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43840.207078] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43840.207080] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43840.207081] Task dump for CPU 40: [43840.207082] CPU 0/KVM R running task 0 44171 1 0x00042004 [43840.207084] Call Trace: [43840.207086] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43840.207090] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43840.207093] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43840.207096] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43840.207098] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43840.207101] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43840.207104] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43840.207106] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43840.207109] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43840.207112] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43840.207116] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43840.207120] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43840.207121] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43840.207124] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43840.207126] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43840.207129] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43840.207131] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43840.207135] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43840.207139] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43840.207146] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43840.207153] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43840.207159] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43840.207163] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43840.207166] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43840.207168] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43840.207169] Task dump for CPU 48: [43840.207170] CPU 28/KVM R running task 0 44199 1 0x00042004 [43840.207172] Call Trace: [43840.207173] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43840.207176] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43840.207178] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43840.207181] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43840.207183] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43840.207187] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43840.207190] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43840.207197] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43840.207204] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43840.207210] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43840.207213] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43840.207215] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43840.207218] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43840.214633] 32-...: (5250881 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2621460 [43840.214790] (t=5251206 jiffies g=269170 c=269169 q=772172) [43840.214873] Task dump for CPU 32: [43840.214907] numad R running task 0 2709 1 0x00042004 [43840.214975] Call Trace: [43840.214999] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43840.215067] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43840.215134] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43840.215203] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [43840.215271] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43840.215338] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43840.215406] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43840.215474] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43840.215545] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43840.215613] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43840.215670] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [43840.215738] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [43840.215828] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [43840.215896] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [43840.215964] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [43840.216032] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [43840.216099] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [43840.216156] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x81483] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221540] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221597] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221653] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221714] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221771] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221828] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221884] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221941] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.221999] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222055] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222112] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222169] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222226] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222283] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222339] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222396] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222453] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222509] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222566] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222623] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222680] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222736] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43840.222793] Task dump for CPU 48: [43840.222827] CPU 28/KVM R running task 0 44199 1 0x00042004 [43840.222894] Call Trace: [43840.222917] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43840.222986] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43840.223054] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43840.223122] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43840.223189] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43840.223258] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43840.223338] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43840.223409] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43840.223480] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43840.223551] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43840.223619] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43840.223676] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43840.223734] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43855.170729] INFO: rcu_bh self-detected stall on CPU [43855.170784] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2595168 [43855.170897] (t=5203740 jiffies g=370 c=369 q=4) [43855.170946] Task dump for CPU 64: [43855.170980] CPU 19/KVM R running task 0 44190 1 0x00042004 [43855.171049] Call Trace: [43855.171073] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43855.171142] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43855.171211] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43855.171280] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43855.171349] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43855.171418] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43855.171486] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43855.171555] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43855.171624] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43855.171693] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43855.171751] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43855.171821] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43855.171911] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43855.171980] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43855.172049] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43855.172118] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43855.172187] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43855.172256] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43855.172337] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43855.172408] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43855.172480] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43855.172551] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43855.172620] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43855.172678] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43855.172736] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43903.217839] INFO: rcu_sched self-detected stall on CPU [43903.217902] 40-...: (5266920 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2629335 [43903.217928] (t=5266958 jiffies g=269170 c=269169 q=775090) [43903.217943] Task dump for CPU 32: [43903.217972] numad R running task 0 2709 1 0x00042004 [43903.218048] Call Trace: [43903.218074] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43903.218149] Task dump for CPU 40: [43903.218187] CPU 0/KVM R running task 0 44171 1 0x00042004 [43903.218262] Call Trace: [43903.218289] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43903.218364] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43903.218439] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43903.218515] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43903.218590] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43903.218665] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43903.218740] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43903.218814] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43903.218890] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43903.218966] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43903.219030] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43903.219106] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43903.219205] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43903.219281] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43903.219356] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43903.219432] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43903.219507] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43903.219584] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43903.219674] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43903.219755] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43903.219836] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43903.219916] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43903.219992] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43903.220055] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43903.220119] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43903.220182] Task dump for CPU 48: [43903.220219] CPU 28/KVM R running task 0 44199 1 0x00042004 [43903.220294] Call Trace: [43903.220320] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43903.220397] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43903.220472] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43903.220548] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43903.220624] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43903.220701] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43903.220790] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43903.220871] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43903.220952] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43903.221031] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43903.221129] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43903.221243] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43903.221358] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43918.181563] INFO: rcu_bh self-detected stall on CPU [43918.181619] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2603041 [43918.181627] (t=5219493 jiffies g=370 c=369 q=4) [43918.181636] Task dump for CPU 64: [43918.181640] CPU 19/KVM R running task 0 44190 1 0x00042004 [43918.181647] Call Trace: [43918.181651] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43918.181712] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43918.181780] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43918.181850] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43918.181918] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43918.181987] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43918.182056] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43918.182124] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43918.182193] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43918.182262] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43918.182320] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43918.182389] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43918.182480] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43918.182549] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43918.182618] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43918.182687] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43918.182756] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43918.182825] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43918.182906] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43918.182977] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43918.183048] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43918.183120] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43918.183189] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43918.183246] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43918.183304] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [43966.232672] INFO: rcu_sched self-detected stall on CPU [43966.232674] INFO: rcu_sched self-detected stall on CPU [43966.232676] INFO: rcu_sched self-detected stall on CPU [43966.232680] 40-...: (5282674 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2637212 [43966.232680] [43966.232683] 32-...: (5282385 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2637212 [43966.232683] [43966.232685] (t=5282712 jiffies g=269170 c=269169 q=777353) [43966.232686] (t=5282712 jiffies g=269170 c=269169 q=777353) [43966.232687] Task dump for CPU 32: [43966.232688] numad R running task 0 2709 1 0x00042004 [43966.232690] Call Trace: [43966.232692] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43966.232693] Task dump for CPU 40: [43966.232694] CPU 0/KVM R running task 0 44171 1 0x00042004 [43966.232697] Task dump for CPU 32: [43966.232698] Call Trace: [43966.232701] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43966.232703] numad R running task 0 2709 1 0x00042004 [43966.232705] Call Trace: [43966.232707] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43966.232710] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43966.232713] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43966.232715] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43966.232718] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43966.232720] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43966.232723] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43966.232726] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [43966.232728] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43966.232731] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43966.232733] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43966.232735] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43966.232739] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43966.232741] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43966.232743] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43966.232746] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43966.232748] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43966.232750] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43966.232753] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43966.232757] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43966.232759] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43966.232760] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [43966.232762] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [43966.232765] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [43966.232766] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 [43966.232767] (unreliable) [43966.232769] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [43966.232771] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [43966.232773] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [43966.232776] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43966.232778] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [43966.232781] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43966.232785] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43966.232788] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43966.232790] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [43966.232794] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43966.232798] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43966.232799] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [43966.232807] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43966.232809] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [43966.232811] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [43966.232813] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [43966.232821] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43966.232827] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43966.232830] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43966.232832] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [43966.232835] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43966.232837] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [43966.232839] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [43966.232841] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [43966.232843] Task dump for CPU 48: [43966.232844] CPU 28/KVM R running task 0 44199 1 0x00042004 [43966.232846] Call Trace: [43966.232847] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43966.232850] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43966.232852] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43966.232855] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43966.232858] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43966.232863] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43966.232866] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43966.232873] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43966.232880] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43966.232887] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43966.232889] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43966.232892] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43966.232894] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43966.232896] Task dump for CPU 40: [43966.232897] CPU 0/KVM R running task 0 44171 1 0x00042004 [43966.232898] Call Trace: [43966.232899] Task dump for CPU 48: [43966.232899] CPU 28/KVM R running task 0 44199 1 0x00042004 [43966.232900] Call Trace: [43966.232901] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43966.232903] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43966.232904] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43966.232905] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43966.232907] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43966.232909] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43966.232911] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43966.232915] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43966.232919] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43966.232923] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43966.232924] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43966.232926] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43966.232928] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43966.241229] 48-...: (5282468 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2637213 [43966.241307] (t=5282714 jiffies g=269170 c=269169 q=777353) [43966.241367] Task dump for CPU 32: [43966.241402] numad R running task 0 2709 1 0x00042004 [43966.241470] Call Trace: [43966.241494] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [43966.241562] Task dump for CPU 40: [43966.241596] CPU 0/KVM R running task 0 44171 1 0x00042004 [43966.241665] Call Trace: [43966.241688] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [43966.241746] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [43966.241815] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.241873] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.241930] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.241988] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242045] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242103] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242196] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242311] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242425] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242540] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242655] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242769] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242884] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.242998] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243113] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243227] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243342] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243457] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243571] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243686] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243801] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.243915] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244030] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244144] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244259] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244373] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244488] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244602] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244717] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244832] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.244946] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245061] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245176] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245290] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245405] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245519] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245634] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245749] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245863] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.245978] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246093] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246207] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246322] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246437] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246551] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246654] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246711] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246769] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246826] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246883] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246941] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.246998] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247056] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247112] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247170] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247227] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247284] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247341] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247402] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247459] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247516] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247574] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247631] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [43966.247687] Task dump for CPU 48: [43966.247722] CPU 28/KVM R running task 0 44199 1 0x00042004 [43966.247790] Call Trace: [43966.247814] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43966.247882] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43966.247951] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43966.248020] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [43966.248088] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43966.248157] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43966.248225] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43966.248293] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43966.248362] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43966.248430] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43966.248488] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [43966.248558] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43966.248648] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [43966.248717] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43966.248786] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43966.248854] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43966.248923] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43966.248992] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43966.249073] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43966.249144] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43966.249216] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43966.249287] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43966.249356] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43966.249413] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43966.249471] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [43981.192397] INFO: rcu_bh self-detected stall on CPU [43981.192453] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2610899 [43981.192567] (t=5235246 jiffies g=370 c=369 q=4) [43981.192616] Task dump for CPU 64: [43981.192650] CPU 19/KVM R running task 0 44190 1 0x00042004 [43981.192719] Call Trace: [43981.192743] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [43981.192812] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [43981.192881] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [43981.192950] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [43981.193018] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [43981.193087] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [43981.193156] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [43981.193224] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [43981.193294] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [43981.193362] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [43981.193420] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [43981.193490] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [43981.193581] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [43981.193650] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [43981.193719] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [43981.193788] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [43981.193857] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [43981.193927] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [43981.194008] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [43981.194080] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [43981.194152] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [43981.194223] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [43981.194292] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [43981.194350] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [43981.194408] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44029.247506] INFO: rcu_sched self-detected stall on CPU [44029.247510] INFO: rcu_sched self-detected stall on CPU [44029.247513] 40-...: (5298428 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2645088 [44029.247514] [44029.247515] INFO: rcu_sched self-detected stall on CPU [44029.247516] 32-...: (5298139 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2645088 [44029.247517] [44029.247518] (t=5298466 jiffies g=269170 c=26x48 [kvm] [44029.247645] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [44029.247646] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [44029.247648] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [44029.247649] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [44029.247656] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44029.247658] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [44029.247665] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44029.247668] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44029.247671] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44029.247674] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44029.247675] Task dump for CPU 48: [44029.247676] CPU 28/KVM R running task 0 44199 1 0x00042004 [44029.247678] Call Trace: [44029.247679] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44029.247682] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44029.247684] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44029.247687] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44029.247690] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44029.247693] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44029.247697] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44029.247704] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44029.247710] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44029.247716] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44029.247720] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44029.247722] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44029.247725] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44029.247729] Task dump for CPU 40: [44029.247729] CPU 0/KVM R running task 0 44171 1 0x00042004 [44029.247730] Call Trace: [44029.247731] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [44029.247733] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [44029.247734] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247735] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247736] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247737] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247739] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247740] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247741] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247743] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247745] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247746] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247747] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247748] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247749] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247750] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247752] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247753] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247754] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247755] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247756] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247757] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247758] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247759] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247760] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247761] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247762] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247764] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247765] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247766] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247767] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247768] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247769] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247770] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247771] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247772] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247773] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247774] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247776] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247777] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247778] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247779] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247780] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247781] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247782] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247783] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247784] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247785] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247786] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247788] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247789] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247790] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247791] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247793] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247794] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247796] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247797] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247798] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247800] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247801] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247803] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247804] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247806] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247807] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247809] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.247811] Task dump for CPU 48: [44029.247811] CPU 28/KVM R running task 0 44199 1 0x00042004 [44029.247812] Call Trace: [44029.247813] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44029.247814] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44029.247816] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44029.247817] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44029.247819] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44029.247821] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44029.247823] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44029.247827] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44029.247831] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44029.247834] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44029.247835] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44029.247837] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44029.247838] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44029.261788] 48-...: (5298219 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2645090 [44029.261866] (t=5298469 jiffies g=269170 c=269169 q=780252) [44029.261926] Task dump for CPU 32: [44029.261961] numad R running task 0 2709 1 0x00042004 [44029.262029] Call Trace: [44029.262052] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44029.262121] Task dump for CPU 40: [44029.262155] CPU 0/KVM R running task 0 44171 1 0x00042004 [44029.262224] Call Trace: [44029.262247] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [44029.262305] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [44029.262374] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262434] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262491] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262549] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262606] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262663] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262720] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262778] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262835] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262893] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.262950] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263008] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263065] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263122] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263180] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263237] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263294] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263352] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263410] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263467] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263524] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263582] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263639] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263696] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263754] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263811] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263869] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263926] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.263983] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264041] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264098] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264155] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264213] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264270] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264327] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264385] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264443] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264500] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264557] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264615] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264672] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264730] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264787] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264845] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264902] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.264959] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265017] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265074] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265131] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265189] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265246] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265303] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265361] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265418] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265475] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265533] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265590] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265647] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265705] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265762] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265819] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265877] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265934] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44029.265991] Task dump for CPU 48: [44029.266025] CPU 28/KVM R running task 0 44199 1 0x00042004 [44029.266093] Call Trace: [44029.266118] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44029.266186] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44029.266255] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44029.266324] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [44029.266392] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44029.266460] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44029.266529] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44029.266597] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44029.266666] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44029.266735] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44029.266793] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [44029.266863] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44029.266953] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44029.267022] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44029.267090] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44029.267159] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44029.267228] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44029.267297] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44029.267379] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44029.267450] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44029.267522] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44029.267593] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44029.267662] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44029.267720] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44029.267778] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44044.203231] INFO: rcu_bh self-detected stall on CPU [44044.203287] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2618728 [44044.203401] (t=5250999 jiffies g=370 c=369 q=4) [44044.203449] Task dump for CPU 64: [44044.203483] CPU 19/KVM R running task 0 44190 1 0x00042004 [44044.203552] Call Trace: [44044.203576] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44044.203645] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44044.203714] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44044.203783] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44044.203852] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44044.203920] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44044.203988] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44044.204057] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44044.204126] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44044.204194] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44044.204252] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44044.204322] --- interrupt: 901 at _raw_spin_lock+0x70/0xe0 LR = follow_page_pte+0x120/0x830 [44044.204412] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44044.204481] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44044.204550] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44044.204618] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44044.204687] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44044.204756] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44044.204837] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44044.204909] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44044.204981] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44044.205052] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44044.205122] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44044.205180] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44044.205238] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44092.262341] INFO: rcu_sched self-detected stall on CPU [44092.262344] INFO: rcu_sched self-detected stall on CPU [44092.262346] 48-...: (5313969 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2652964 [44092.262347] [44092.262348] INFO: rcu_sched self-detected stall on CPU [44092.262351] 40-...: (5314182 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2652964 [44092.262351] (t=5314220 jiffies g=269170 c=269169 q=783385) [44092.262352] [44092.262353] Task dump for CPU 32: [44092.262353] numad R running task 0 2709 1 0x00042004 [44092.262354] Call Trace: [44092.262355] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44092.262357] (t=5314220 jiffies g=269170 c=269169 q=783385) [44092.262358] Task dump for CPU 40: [44092.262359] CPU 0/KVM R [44092.262359] Task dump for CPU 32: [44092.262360] running task [44092.262361] numad R running task [44092.262362] 0 44171 1 0x00042004 [44092.262362] Call Trace: [44092.262363] [c0000007e9ce30f0] [0000000000000001] 0x1 [44092.262364] 0 2709 1 0x00042004 [44092.262365] Call Trace: [44092.262365] (unreliable) [44092.262367] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [44092.262368] (unreliable) [44092.262369] Task dump for CPU 48: [44092.262369] CPU 28/KVM R running task 0 44199 1 0x00042004 [44092.262370] Call Trace: [44092.262372] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44092.262373] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44092.262374] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44092.262376] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [44092.262377] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44092.262378] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44092.262379] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44092.262381] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44092.262382] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44092.262384] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44092.262385] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [44092.262388] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44092.262388] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44092.262390] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44092.262391] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44092.262393] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44092.262394] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44092.262397] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44092.262400] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44092.262404] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44092.262408] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44092.262411] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44092.262413] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44092.262414] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44092.262416] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44092.262417] Task dump for CPU 40: [44092.262418] CPU 0/KVM R running task 0 44171 1 0x00042004 [44092.262420] Call Trace: [44092.262422] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44092.262424] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44092.262427] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44092.262430] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44092.262432] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44092.262434] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44092.262436] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44092.262438] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44092.262441] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44092.262443] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44092.262446] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44092.262450] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44092.262451] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44092.262454] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44092.262457] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44092.262461] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44092.262464] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44092.262469] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44092.262473] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44092.262480] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44092.262488] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44092.262494] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44092.262497] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44092.262500] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44092.262502] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44092.262503] Task dump for CPU 48: [44092.262504] CPU 28/KVM R running task 0 44199 1 0x00042004 [44092.262507] Call Trace: [44092.262509] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44092.262512] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44092.262515] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44092.262519] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44092.262521] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44092.262525] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44092.262529] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44092.262536] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44092.262543] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44092.262549] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44092.262551] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44092.262554] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44092.262557] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44092.269764] 32-...: (5313893 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2652965 [44092.269922] (t=5314221 jiffies g=269170 c=269169 q=783385) [44092.270037] Task dump for CPU 32: [44092.270103] numad R running task 0 2709 1 0x00042004 [44092.270239] Call Trace: [44092.270284] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44092.270421] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44092.270529] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44092.270598] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [44092.270666] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44092.270734] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44092.270802] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44092.270870] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44092.270938] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44092.271006] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44092.271063] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [44092.271132] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [44092.271221] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [44092.271290] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [44092.271361] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [44092.271429] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [44092.271497] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [44092.271554] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [44092.271622] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [44092.271690] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [44092.271757] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [44092.271826] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [44092.271893] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [44092.271961] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [44092.272029] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [44092.272086] Task dump for CPU 40: [44092.272120] CPU 0/KVM R running task 0 44171 1 0x00042004 [44092.272188] Call Trace: [44092.272211] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [44092.272269] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [44092.272406] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.272520] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.272635] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.272749] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.272864] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.272979] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273093] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273208] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273322] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273437] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273552] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273666] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273781] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.273896] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274010] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274125] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274239] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274354] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274469] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274584] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274698] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274813] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.274928] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.275042] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.275157] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.275271] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.275386] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.275500] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44092.275615] [c0000007e9ce3148] [c00000000018e350] tick_s00000035cf34] SyS_ioctl+0xd4/0xf0 [44092.279137] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44107.214066] INFO: rcu_bh self-detected stall on CPU [44107.214122] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2626566 [44107.214236] (t=5266752 jiffies g=370 c=369 q=4) [44107.214284] Task dump for CPU 64: [44107.214319] CPU 19/KVM R running task 0 44190 1 0x00042004 [44107.214387] Call Trace: [44107.214411] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44107.214479] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44107.214548] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44107.214617] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44107.214685] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44107.214754] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44107.214822] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44107.214890] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44107.214959] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44107.215028] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44107.215086] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44107.215155] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44107.215246] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44107.215315] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44107.215384] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44107.215452] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44107.215521] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44107.215591] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44107.215671] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44107.215743] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44107.215814] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44107.215885] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44107.215954] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44107.216012] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44107.216070] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44155.273176] INFO: rcu_sched self-detected stall on CPU [44155.273274] 40-...: (5329935 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2660840 [44155.273361] (t=5329973 jiffies g=269170 c=269169 q=786397) [44155.273427] Task dump for CPU 32: [44155.273465] numad R running task 0 2709 1 0x00042004 [44155.273540] Call Trace: [44155.273567] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44155.273642] Task dump for CPU 40: [44155.273679] CPU 0/KVM R running task 0 44171 1 0x00042004 [44155.273755] Call Trace: [44155.273783] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44155.273858] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44155.273934] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44155.274010] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44155.274086] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44155.274161] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44155.274236] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44155.274311] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44155.274386] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44155.274462] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44155.274526] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44155.274603] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44155.274702] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44155.274777] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44155.274853] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44155.274929] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44155.275005] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44155.275082] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44155.275172] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44155.275252] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44155.275333] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44155.275413] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44155.275488] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44155.275552] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44155.275617] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44155.275679] Task dump for CPU 48: [44155.275717] CPU 28/KVM R running task 0 44199 1 0x00042004 [44155.275791] Call Trace: [44155.275817] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44155.275894] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44155.275969] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44155.276044] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44155.276120] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44155.276197] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44155.276286] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44155.276366] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44155.276447] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44155.276588] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44155.276725] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44155.276839] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44155.276954] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44170.224901] INFO: rcu_bh self-detected stall on CPU [44170.224957] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2634378 [44170.224965] (t=5282505 jiffies g=370 c=369 q=4) [44170.224973] Task dump for CPU 64: [44170.224977] CPU 19/KVM R running task 0 44190 1 0x00042004 [44170.224985] Call Trace: [44170.224989] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44170.225049] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44170.225117] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44170.225187] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44170.225256] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44170.225324] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44170.225392] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44170.225461] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44170.225530] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44170.225599] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44170.225657] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44170.225726] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44170.225817] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44170.225886] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44170.225955] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44170.226024] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44170.226092] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44170.226162] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44170.226243] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44170.226314] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44170.226386] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44170.226457] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44170.226526] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44170.226584] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44170.226641] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44218.284010] INFO: rcu_sched self-detected stall on CPU [44218.284085] 40-...: (5345688 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2668716 [44218.284098] (t=5345726 jiffies g=269170 c=269169 q=788713) [44218.284166] Task dump for CPU 32: [44218.284204] numad R running task 0 2709 1 0x00042004 [44218.284280] Call Trace: [44218.284306] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44218.284381] Task dump for CPU 40: [44218.284419] CPU 0/KVM R running task 0 44171 1 0x00042004 [44218.284494] Call Trace: [44218.284522] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44218.284598] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44218.284673] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44218.284749] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44218.284825] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44218.284901] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44218.284976] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44218.285051] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44218.285128] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44218.285203] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44218.285267] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44218.285345] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44218.285443] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44218.285519] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44218.285596] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44218.285672] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44218.285748] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44218.285825] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44218.285914] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44218.285995] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44218.286075] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44218.286155] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44218.286231] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44218.286295] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44218.286359] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44218.286421] Task dump for CPU 48: [44218.286459] CPU 28/KVM R running task 0 44199 1 0x00042004 [44218.286534] Call Trace: [44218.286560] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44218.286636] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44218.286711] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44218.286787] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44218.286862] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44218.286939] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44218.287028] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44218.287121] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44218.287262] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44218.287402] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44218.287540] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44218.287655] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44218.287769] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44233.235735] INFO: rcu_bh self-detected stall on CPU [44233.235791] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2642233 [44233.235821] (t=5298258 jiffies g=370 c=369 q=4) [44233.235829] Task dump for CPU 64: [44233.235833] CPU 19/KVM R running task 0 44190 1 0x00042004 [44233.235893] Call Trace: [44233.235917] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44233.235986] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44233.236054] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44233.236123] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44233.236192] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44233.236260] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44233.236328] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44233.236397] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44233.236466] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44233.236534] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44233.236592] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44233.236662] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44233.236752] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44233.236821] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44233.236890] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44233.236958] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44233.237028] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44233.237097] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44233.237178] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44233.237250] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44233.237321] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44233.237393] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44233.237462] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44233.237520] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44233.237578] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44281.294844] INFO: rcu_sched self-detected stall on CPU [44281.294919] 40-...: (5361441 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2676593 [44281.294933] (t=5361479 jiffies g=269170 c=269169 q=790993) [44281.295001] Task dump for CPU 32: [44281.295039] numad R running task 0 2709 1 0x00042004 [44281.295114] Call Trace: [44281.295140] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44281.295215] Task dump for CPU 40: [44281.295253] CPU 0/KVM R running task 0 44171 1 0x00042004 [44281.295327] Call Trace: [44281.295355] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44281.295431] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44281.295506] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44281.295582] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44281.295658] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44281.295733] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44281.295808] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44281.295883] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44281.295959] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44281.296035] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44281.296099] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44281.296176] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44281.296275] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44281.296351] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44281.296427] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44281.296502] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44281.296578] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44281.296656] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44281.296745] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44281.296826] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44281.296907] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44281.296987] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44281.297063] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44281.297127] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44281.297191] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44281.297253] Task dump for CPU 48: [44281.297291] CPU 28/KVM R running task 0 44199 1 0x00042004 [44281.297366] Call Trace: [44281.297392] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44281.297469] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44281.297545] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44281.297620] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44281.297696] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44281.297773] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44281.297862] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44281.297943] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44281.298024] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44281.298104] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44281.298244] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44281.298359] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44281.298473] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44296.246569] INFO: rcu_bh self-detected stall on CPU [44296.246625] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2650099 [44296.246633] (t=5314011 jiffies g=370 c=369 q=4) [44296.246641] Task dump for CPU 64: [44296.246645] CPU 19/KVM R running task 0 44190 1 0x00042004 [44296.246653] Call Trace: [44296.246657] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44296.246707] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44296.246775] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44296.246845] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44296.246913] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44296.246982] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44296.247051] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44296.247119] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [[44296.247188] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44296.247257] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44296.247315] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44296.247385] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44296.247475] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44296.247544] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44296.247613] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44296.247682] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44296.247751] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44296.247820] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44296.247901] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44296.247973] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44296.248044] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44296.248116] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44296.248185] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44296.248242] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44296.248300] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44344.305679] INFO: rcu_sched self-detected stall on CPU [44344.305741] 40-...: (5377194 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2684468 [44344.305756] (t=5377232 jiffies g=269170 c=269169 q=793244) [44344.305771] Task dump for CPU 32: [44344.305800] numad R running task 0 2709 1 0x00042004 [44344.305875] Call Trace: [44344.305902] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44344.305977] Task dump for CPU 40: [44344.306015] CPU 0/KVM R running task 0 44171 1 0x00042004 [44344.306089] Call Trace: [44344.306117] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44344.306193] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44344.306268] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44344.306344] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44344.306419] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44344.306494] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44344.306569] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44344.306644] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44344.306720] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44344.306796] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44344.306860] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44344.306937] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44344.307035] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44344.307111] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44344.307186] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44344.307261] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44344.307337] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44344.307414] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44344.307503] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44344.307584] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44344.307665] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44344.307744] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44344.307821] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44344.307884] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44344.307948] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44344.308011] Task dump for CPU 48: [44344.308048] CPU 28/KVM R running task 0 44199 1 0x00042004 [44344.308123] Call Trace: [44344.308150] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44344.308226] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44344.308302] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44344.308378] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44344.308454] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44344.308531] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44344.308620] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44344.308700] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44344.308781] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44344.308861] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44344.308938] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44344.309055] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44344.309169] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44359.257403] INFO: rcu_bh self-detected stall on CPU [44359.257459] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2657931 [44359.257467] (t=5329764 jiffies g=370 c=369 q=4) [44359.257475] Task dump for CPU 64: [44359.257478] CPU 19/KVM R running task 0 44190 1 0x00042004 [44359.257486] Call Trace: [44359.257490] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44359.257550] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44359.257618] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44359.257687] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44359.257756] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44359.257824] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44359.257892] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44359.257961] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44359.258030] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44359.258098] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44359.258156] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44359.258226] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44359.258316] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44359.258385] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44359.258453] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44359.258522] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44359.258591] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44359.258660] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44359.258741] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44359.258813] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44359.258884] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44359.258955] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44359.259025] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44359.259083] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44359.259141] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44407.320512] INFO: rcu_sched self-detected stall on CPU [44407.320514] INFO: rcu_sched self-detected stall on CPU [44407.320515] INFO: rcu_sched self-detected stall on CPU [44407.320518] 48-...: (5392735 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2692342 [44407.320518] [44407.320522] 32-...: (5392656 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2692342 [44407.320522] [44407.320524] (t=5392986 jiffies g=269170 c=269169 q=795505) [44407.320525] Task dump for CPU 32: [44407.320525] numad R running task 0 2709 1 0x00042004 [44407.320526] Call Trace: [44407.320527] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [44407.320528] (t=5392986 jiffies g=269170 c=269169 q=795505) [44407.320529] (unreliable) [44407.320530] Task dump for CPU 40: [44407.320530] CPU 0/KVM R running task 0 44171 1 0x00042004 [44407.320532] Call Trace: [44407.320533] Task dump for CPU 32: [44407.320533] numad R running task 0 2709 1 0x00042004 [44407.320535] [c0000007e9ce30f0] [0000000000000001] 0x1 [44407.320536] Call Trace: [44407.320537] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44407.320539] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44407.320541] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44407.320543] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [44407.320544] (unreliable) [44407.320544] Task dump for CPU 48: [44407.320545] CPU 28/KVM R running task 0 44199 1 0x00042004 [44407.320547] Call Trace: [44407.320549] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 [44407.320550] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44407.320552] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44407.320553] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44407.320554] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44407.320555] (unreliable) [44407.320557] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44407.320558] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44407.320560] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44407.320562] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [44407.320564] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [44407.320565] [cf62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44407.320653] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44407.320658] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44407.320661] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44407.320665] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44407.320666] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44407.320668] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44407.320669] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44407.328553] 40-...: (5392948 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2692344 [44407.328639] (t=5392988 jiffies g=269170 c=269169 q=795505) [44407.328706] Task dump for CPU 32: [44407.328743] numad R running task 0 2709 1 0x00042004 [44407.328819] Call Trace: [44407.328845] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44407.328920] Task dump for CPU 40: [44407.328957] CPU 0/KVM R running task 0 44171 1 0x00042004 [44407.329032] Call Trace: [44407.329059] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44407.329135] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44407.329212] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44407.329287] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44407.329362] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44407.329438] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44407.329512] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44407.329587] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44407.329663] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44407.329738] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44407.329802] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44407.329879] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44407.329978] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44407.330053] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44407.330172] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44407.330309] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44407.330446] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44407.330584] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44407.330747] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44407.330891] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44407.331033] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44407.331174] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44407.331311] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44407.331426] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44407.331541] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44407.331654] Task dump for CPU 48: [44407.331725] CPU 28/KVM R running task 0 44199 1 0x00042004 [44407.331862] Call Trace: [44407.331911] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44407.332049] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44407.332185] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44407.332322] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44407.332459] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44407.332597] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44407.332760] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44407.332905] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44407.333046] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44407.333186] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44407.333324] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44407.333438] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44407.333553] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44422.268237] INFO: rcu_bh self-detected stall on CPU [44422.268293] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2665746 [44422.268324] (t=5345517 jiffies g=370 c=369 q=4) [44422.268331] Task dump for CPU 64: [44422.268335] CPU 19/KVM R running task 0 44190 1 0x00042004 [44422.268384] Call Trace: [44422.268408] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44422.268477] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44422.268545] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44422.268614] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44422.268683] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44422.268752] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44422.268820] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44422.268888] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44422.268957] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44422.269026] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44422.269083] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44422.269153] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44422.269244] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44422.269312] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44422.269381] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44422.269451] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44422.269519] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44422.269589] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44422.269670] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44422.269741] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44422.269813] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44422.269884] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44422.269953] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44422.270011] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44422.270069] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44470.335346] INFO: rcu_sched self-detected stall on CPU [44470.335350] INFO: rcu_sched self-detected stall on CPU [44470.335350] INFO: rcu_sched self-detected stall on CPU [44470.335354] 40-...: (5408700 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2700219 [44470.335355] [44470.335356] 48-...: (5408489 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2700219 [44470.335357] [44470.335359] (t=5408740 jiffies g=269170 c=269169 q=798111) [44470.335360] (t=5408740 jiffies g=269170 c=269169 q=798111) [44470.335361] Task dump for CPU 32: [44470.335361] numad R running task 0 2709 1 0x00042004 [44470.335363] Call Trace: [44470.335365] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44470.335367] Task dump for CPU 40: [44470.335367] CPU 0/KVM R [44470.335368] Task dump for CPU 32: [44470.335368] numad R [44470.335369] running task [44470.335370] running task [44470.335371] 0 44171 1 0x00042004 [44470.335372] 0 2709 1 0x00042004 [44470.335372] Call Trace: [44470.335373] Call Trace: [44470.335373] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [44470.335376] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 [44470.335376] (unreliable) [44470.335377] (unreliable) [44470.335379] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44470.335382] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44470.335384] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44470.335386] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44470.335389] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44470.335391] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44470.335392] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44470.335395] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44470.335398] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44470.335401] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44470.335405] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44470.335406] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44470.335410] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44470.335413] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44470.335416] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44470.335419] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44470.335424] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44470.335428] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44470.335435] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44470.335442] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44470.335449] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44470.335452] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44470.335455] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44470.335458] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44470.335459] Task dump for CPU 48: [44470.335460] CPU 28/KVM R running task 0 44199 1 0x00042004 [44470.335461] Call Trace: [44470.335462] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44470.335465] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44470.335468] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44470.335470] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44470.335473] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44470.335477] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44470.335480] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44470.335487] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44470.335495] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44470.335501] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44470.335504] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44470.335507] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44470.335511] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44470.335513] Task dump for CPU 40: [44470.335514] CPU 0/KVM R running task 0 44171 1 0x00042004 [44470.335515] Call Trace: [44470.335515] Task dump for CPU 48: [44470.335516] CPU 28/KVM R running task 0 44199 1 0x00042004 [44470.335517] Call Trace: [44470.335518] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44470.335519] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44470.335521] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44470.335522] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [44470.335523] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44470.335524] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44470.335525] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44470.335526] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44470.335528] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44470.335529] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44470.335531] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [44470.335533] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44470.335534] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44470.335535] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44470.335537] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44470.335538] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44470.335540] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44470.335542] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44470.335544] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44470.335548] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44470.335552] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44470.335555] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44470.335556] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44470.335558] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44470.335559] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44470.343155] 32-...: (5408410 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2700220 [44470.343233] (t=5408741 jiffies g=269170 c=269169 q=798111) [44470.343292] Task dump for CPU 32: [44470.343326] numad R running task 0 2709 1 0x00042004 [44470.343393] Call Trace: [44470.343417] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44470.343486] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44470.343553] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44470.343625] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [44470.343692] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44470.343760] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44470.343828] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44470.343895] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44470.343963] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44470.344031] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44470.344088] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [44470.344157] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [44470.344247] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [44470.344314] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [44470.344382] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [44470.344450] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [44470.344517] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [44470.344586] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [44470.344722] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [44470.344859] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [44470.344996] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [44470.345132] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [44470.345269] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [44470.345406] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [44470.345543] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [44470.345657] Task dump for CPU 40: [44470.345723] CPU 0/KVM R running task 0 44171 1 0x00042004 [44470.345859] Call Trace: [44470.345904] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [44470.346019] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [44470.346156] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.346270] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.346385] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.346499] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.346614] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.346728] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.346843] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.346958] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347072] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347187] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347301] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347413] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347528] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347642] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347757] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347871] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.347986] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348100] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348215] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348330] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348444] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348559] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348673] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348787] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.348902] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349016] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349106] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349163] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349220] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349277] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349333] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349390] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349447] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349503] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349560] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349617] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349673] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349730] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349788] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349845] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349902] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.349959] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350015] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350072] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350129] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350186] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350242] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350299] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350356] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350413] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350469] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350526] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350583] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350639] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350696] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350753] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350810] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350866] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350923] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.350980] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.351037] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.351093] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.351150] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44470.351207] Task dump for CPU 48: [44470.351241] CPU 28/KVM R running task 0 44199 1 0x00042004 [44470.351308] Call Trace: [44470.351331] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44470.351400] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44470.351468] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44470.351536] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44470.351604] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44470.351673] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44470.351753] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44470.351824] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44470.351895] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44470.351965] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44470.352034] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44470.352091] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44470.352148] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44485.279072] INFO: rcu_bh self-detected stall on CPU [44485.279140] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2673574 [44485.279148] (t=5361270 jiffies g=370 c=369 q=4) [44485.279156] Task dump for CPU 64: [44485.279160] CPU 19/KVM R running task 0 44190 1 0x00042004 [44485.279229] Call Trace: [44485.279253] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44485.279322] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44485.279391] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44485.279460] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44485.279528] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44485.279597] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44485.279665] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44485.279733] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44485.279803] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44485.279872] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44485.279929] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44485.279999] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44485.280090] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44485.280159] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44485.280228] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44485.280296] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44485.280365] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44485.280435] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44485.280515] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44485.280587] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44485.280658] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44485.280729] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44485.280798] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44485.280856] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44485.280914] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44533.346182] INFO: rcu_sched self-detected stall on CPU [44533.346257] 40-...: (5424453 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2708094 [44533.346270] (t=5424493 jiffies g=269170 c=269169 q=801037) [44533.346338] Task dump for CPU 32: [44533.346376] numad R running task 0 2709 1 0x00042004 [44533.346451] Call Trace: [44533.346478] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44533.346553] Task dump for CPU 40: [44533.346590] CPU 0/KVM R running task 0 44171 1 0x00042004 [44533.346665] Call Trace: [44533.346693] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44533.346769] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44533.346844] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44533.346920] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44533.346996] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44533.347071] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44533.347146] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44533.347221] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44533.347297] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44533.347373] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44533.347437] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44533.347514] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44533.347613] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44533.347689] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44533.347764] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44533.347840] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44533.347916] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44533.347993] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44533.348083] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44533.348164] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44533.348245] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44533.348325] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44533.348401] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44533.348465] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44533.348529] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44533.348592] Task dump for CPU 48: [44533.348629] CPU 28/KVM R running task 0 44199 1 0x00042004 [44533.348704] Call Trace: [44533.348730] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44533.348807] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44533.348882] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44533.348958] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44533.349034] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44533.349111] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44533.349200] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44533.349281] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44533.349390] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44533.349530] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44533.349668] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44533.349783] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44533.349898] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44548.289906] INFO: rcu_bh self-detected stall on CPU [44548.289961] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2681394 [44548.290075] (t=5377023 jiffies g=370 c=369 q=4) [44548.290124] Task dump for CPU 64: [44548.290158] CPU 19/KVM R running task 0 44190 1 0x00042004 [44548.290227] Call Trace: [44548.290251] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44548.290319] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44548.290388] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44548.290457] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44548.290525] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44548.290594] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44548.290662] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44548.290731] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44548.290799] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44548.290868] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44548.290926] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44548.290995] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44548.291086] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44548.291154] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [95] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44596.359570] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44596.359645] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44596.359721] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44596.359796] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44596.359873] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44596.359962] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44596.360042] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44596.360122] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44596.360202] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44596.360278] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44596.360362] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44596.360477] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44611.300741] INFO: rcu_bh self-detected stall on CPU [44611.300797] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2689205 [44611.300805] (t=5392776 jiffies g=370 c=369 q=4) [44611.300813] Task dump for CPU 64: [44611.300817] CPU 19/KVM R running task 0 44190 1 0x00042004 [44611.300825] Call Trace: [44611.300829] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44611.300889] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44611.300958] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44611.301027] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44611.301095] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44611.301164] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44611.301232] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44611.301301] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44611.301370] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44611.301438] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44611.301496] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44611.301565] --- interrupt: 901 at _raw_spin_lock+0x70/0xe0 LR = follow_page_pte+0x120/0x830 [44611.301655] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44611.301724] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44611.301793] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44611.301861] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44611.301930] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44611.302000] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44611.302080] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44611.302152] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44611.302223] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44611.302294] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44611.302363] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44611.302421] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44611.302478] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44659.367850] INFO: rcu_sched self-detected stall on CPU [44659.367925] 40-...: (5455959 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2723847 [44659.367939] (t=5455999 jiffies g=269170 c=269169 q=805551) [44659.368007] Task dump for CPU 32: [44659.368045] numad R running task 0 2709 1 0x00042004 [44659.368120] Call Trace: [44659.368146] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44659.368221] Task dump for CPU 40: [44659.368259] CPU 0/KVM R running task 0 44171 1 0x00042004 [44659.368333] Call Trace: [44659.368361] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44659.368436] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44659.368512] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44659.368588] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44659.368663] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44659.368739] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44659.368814] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44659.368888] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44659.368965] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44659.369040] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44659.369104] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44659.369182] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44659.369280] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44659.369356] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44659.369432] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44659.369508] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44659.369583] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44659.369661] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44659.369750] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44659.369831] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44659.369912] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44659.369991] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44659.370067] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44659.370131] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44659.370195] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44659.370257] Task dump for CPU 48: [44659.370294] CPU 28/KVM R running task 0 44199 1 0x00042004 [44659.370370] Call Trace: [44659.370396] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44659.370471] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44659.370547] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44659.370623] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44659.370698] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44659.370774] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44659.370863] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44659.370998] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44659.371139] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44659.371279] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44659.371417] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44659.371532] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44659.371646] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44674.311574] INFO: rcu_bh self-detected stall on CPU [44674.311630] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2697014 [44674.311744] (t=5408529 jiffies g=370 c=369 q=4) [44674.311792] Task dump for CPU 64: [44674.311826] CPU 19/KVM R running task 0 44190 1 0x00042004 [44674.311895] Call Trace: [44674.311919] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44674.311987] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44674.312056] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44674.312125] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44674.312193] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44674.312261] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44674.312330] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44674.312398] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44674.312467] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44674.312536] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44674.312593] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44674.312662] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44674.312753] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44674.312822] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44674.312890] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44674.312959] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44674.313028] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44674.313097] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44674.313178] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44674.313249] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44674.313320] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44674.313391] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44674.313460] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44674.313517] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44674.313575] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44722.382683] INFO: rcu_sched self-detected stall on CPU [44722.382685] INFO: rcu_sched self-detected stall on CPU [44722.382687] INFO: rcu_sched self-detected stall on CPU [44722.382690] 32-...: (5471420 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2731723 [44722.382690] [44722.382695] 40-...: (5471713 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2731723 [44722.382696] [44722.382697] (t=5471753 jiffies g=269170 c=269169 q=807821) [44722.382697] Task dump for CPU 32: [44722.382698] numad R running task 0 2709 1 0x00042004 [44722.382699] Call Trace: [44722.382701] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44722.382703] (t=5471753 jiffies g=269170 c=269169 q=807821) [44722.382705] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44722.382707] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44722.382709] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [44722.382710] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44722.382711] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44722.382712] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44722.382713] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44722.382715] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44722.382716] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44722.382718] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [44722.382720] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [44722.382721] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [44722.382722] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [44722.382724] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [44722.382725] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [44722.382726] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [44722.382727] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [44722.382728] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [44722.382730] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [44722.382731] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [44722.382732] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [44722.382733] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [44722.382734] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [44722.382736] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [44722.382737] Task dump for CPU 40: [44722.382737] CPU 0/KVM R running task [44722.382739] Task dump for CPU 32: [44722.382740] numad R running task 0 2709 1 0x00042004 [44722.382743] Call Trace: [44722.382744] 0 44171 1 0x00042004 [44722.382745] Call Trace: [44722.382746] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [44722.382748] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44722.382750] Task dump for CPU 48: [44722.382751] CPU 28/KVM R running task 0 44199 1 0x00042004 [44722.382753] Call Trace: [44722.382754] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44722.382756] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44722.382759] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44722.382761] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44722.382763] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44722.382766] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44722.382769] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44722.382773] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44722.382779] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44722.382783] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44722.382786] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44722.382787] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44722.382789] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44722.382790] Task dump for CPU 40: [44722.382791] CPU 0/KVM R running task 0 44171 1 0x00042004 [44722.382793] Call Trace: [44722.382795] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44722.382798] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44722.382800] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44722.382803] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44722.382805] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44722.382807] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44722.382809] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44722.382810] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44722.382813] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44722.382816] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44722.382818] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44722.382822] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44722.382823] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44722.382827] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44722.382829] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44722.382832] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44722.382834] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44722.382838] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44722.382842] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44722.382849] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44722.382856] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44722.382862] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44722.382864] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44722.382867] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44722.382870] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44722.382872] Task dump for CPU 48: [44722.382872] CPU 28/KVM R running task 0 44199 1 0x00042004 [44722.382874] Call Trace: [44722.382875] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44722.382878] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44722.382881] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44722.382883] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44722.382886] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44722.382890] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44722.382893] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44722.382900] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44722.382907] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44722.382913] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44722.382915] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44722.382918] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44722.382920] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44722.391289] 48-...: (5471502 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2731725 [44722.391368] (t=5471755 jiffies g=269170 c=269169 q=807821) [44722.391428] Task dump for CPU 32: [44722.391463] numad R running task 0 2709 1 0x00042004 [44722.391531] Call Trace: [44722.391555] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44722.391624] Task dump for CPU 40: [44722.391658] CPU 0/KVM R running task 0 44171 1 0x00042004 [44722.391726] Call Trace: [44722.391750] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [44722.391808] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [44722.391877] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.391958] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392073] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392187] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392302] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392417] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392531] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392646] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392760] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392875] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.392989] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393104] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393218] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393332] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393447] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393561] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393676] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393790] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.393905] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394020] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394134] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394249] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394364] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394478] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394593] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394708] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394822] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.394936] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395052] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395166] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395281] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395395] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395510] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395625] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395739] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395854] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.395968] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396082] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396197] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396312] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396426] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396484] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396541] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396598] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396656] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396713] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396770] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396828] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396885] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.396943] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397000] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397057] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397115] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397176] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397233] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397290] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397348] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397405] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397462] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397520] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397577] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397635] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397692] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44722.397749] Task dump for CPU 48: [44722.397783] CPU 28/KVM R running task 0 44199 1 0x00042004 [44722.397851] Call Trace: [44722.397875] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44722.397944] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44722.398013] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44722.398081] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [44722.398150] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44722.398219] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44722.398287] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44722.398355] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44722.398424] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44722.398493] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44722.398550] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [44722.398620] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44722.398710] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44722.398779] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44722.398848] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44722.398916] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44722.398985] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44722.399055] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44722.399135] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44722.399207] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44722.399278] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44722.399349] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44722.399418] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44722.399476] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44722.399534] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44737.322409] INFO: rcu_bh self-detected stall on CPU [44737.322500] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2704863 [44737.322579] (t=5424282 jiffies g=370 c=369 q=4) [44737.322628] Task dump for CPU 64: [44737.322662] CPU 19/KVM R running task 0 44190 1 0x00042004 [44737.322731] Call Trace: [44737.322755] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44737.322824] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44737.322893] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44737.322962] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44737.323031] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44737.323100] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44737.323169] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44737.323238] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44737.323307] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44737.323376] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44737.323434] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44737.323504] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44737.323595] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44737.323664] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44737.323733] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44737.323803] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44737.323872] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44737.323942] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44737.324023] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44737.324095] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44737.324166] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44737.324238] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44737.324307] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44737.324364] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44737.324422] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44785.393519] INFO: rcu_sched self-detected stall on CPU [44785.393594] 40-...: (5487466 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2739600 [44785.393609] (t=5487506 jiffies g=269170 c=269169 q=810712) [44785.393676] Task dump for CPU 32: [44785.393714] numad R running task 0 2709 1 0x00042004 [44785.393789] Call Trace: [44785.393816] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44785.393890] Task dump for CPU 40: [44785.393927] CPU 0/KVM R running task 0 44171 1 0x00042004 [44785.394002] Call Trace: [44785.394029] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44785.394105] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44785.394180] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44785.394256] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44785.394331] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44785.394406] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44785.394481] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44785.394556] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44785.394631] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44785.394707] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44785.394771] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44785.394847] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44785.394946] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44785.395022] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44785.395097] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44785.395173] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44785.395248] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44785.395325] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44785.395415] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44785.395495] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44785.395575] [c000000l+0xd4/0xf0 [44800.335251] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44848.408352] INFO: rcu_sched self-detected stall on CPU [44848.408354] INFO: rcu_sched self-detected stall on CPU [44848.408356] INFO: rcu_sched self-detected stall on CPU [44848.408358] 48-...: (5503006 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2747477 [44848.408358] [44848.408362] 40-...: (5503220 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2747477 [44848.408363] (t=5503260 jiffies g=269170 c=269169 q=812938) [44848.408364] [44848.408365] Task dump for CPU 32: [44848.408366] numad R running task 0 2709 1 0x00042004 [44848.408369] Call Trace: [44848.408370] (t=5503260 jiffies g=269170 c=269169 q=812938) [44848.408371] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44848.408372] Task dump for CPU 40: [44848.408372] CPU 0/KVM R [44848.408373] Task dump for CPU 32: [44848.408374] running task [44848.408375] numad R [44848.408376] 0 44171 1 0x00042004 [44848.408376] Call Trace: [44848.408377] running task 0 2709 1 0x00042004 [44848.408379] [c0000007e9ce30f0] [0000000000000001] 0x1 [44848.408380] Call Trace: [44848.408380] (unreliable) [44848.408382] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44848.408383] Task dump for CPU 48: [44848.408384] CPU 28/KVM R running task 0 44199 1 0x00042004 [44848.408385] Call Trace: [44848.408386] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44848.408387] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44848.408389] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44848.408390] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [44848.408392] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44848.408393] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44848.408394] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44848.408395] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44848.408397] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44848.408398] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44848.408400] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [44848.408402] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44848.408403] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44848.408404] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44848.408406] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44848.408408] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44848.408409] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44848.408411] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44848.408413] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44848.408417] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44848.408421] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44848.408426] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44848.408428] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44848.408429] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44848.408431] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44848.408432] Task dump for CPU 40: [44848.408433] CPU 0/KVM R running task 0 44171 1 0x00042004 [44848.408435] Call Trace: [44848.408437] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44848.408439] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44848.408442] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44848.408444] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44848.408447] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44848.408449] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44848.408451] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44848.408454] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44848.408457] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44848.408461] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44848.408463] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44848.408468] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44848.408470] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44848.408473] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44848.408475] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44848.408478] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44848.408480] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44848.408484] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44848.408488] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44848.408495] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44848.408503] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44848.408509] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44848.408512] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44848.408515] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44848.408518] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44848.408521] Task dump for CPU 48: [44848.408521] CPU 28/KVM R running task 0 44199 1 0x00042004 [44848.408523] Call Trace: [44848.408524] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44848.408527] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44848.408530] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44848.408533] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44848.408535] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44848.408539] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44848.408542] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44848.408549] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44848.408556] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44848.408563] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44848.408565] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44848.408568] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44848.408570] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44848.415835] 32-...: (5502927 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2747478 [44848.415992] (t=5503261 jiffies g=269170 c=269169 q=812938) [44848.416107] Task dump for CPU 32: [44848.416174] numad R running task 0 2709 1 0x00042004 [44848.416310] Call Trace: [44848.416339] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44848.416407] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44848.416474] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44848.416543] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [44848.416611] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44848.416678] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44848.416746] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44848.416814] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44848.416882] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44848.416951] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44848.417012] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [44848.417080] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [44848.417170] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [44848.417238] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [44848.417306] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [44848.417373] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [44848.417441] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [44848.417498] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [44848.417566] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [44848.417634] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [44848.417702] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [44848.417769] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [44848.417837] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [44848.417905] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [44848.418023] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [44848.418137] Task dump for CPU 40: [44848.418204] CPU 0/KVM R running task 0 44171 1 0x00042004 [44848.418340] Call Trace: [44848.418385] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [44848.418500] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [44848.418636] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.418751] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.418865] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.418980] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419095] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419209] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419324] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419439] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419553] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419668] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419782] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.419897] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420012] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420126] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420240] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420355] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420470] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420585] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420699] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420814] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.420929] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421043] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421158] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421272] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421387] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421502] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421616] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421730] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421845] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.421959] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422075] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422189] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422304] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422418] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422488] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422545] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422602] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422659] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422716] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422772] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422830] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422887] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.422943] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423001] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423058] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423115] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423175] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423232] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423289] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423346] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423403] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423460] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423518] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423574] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423631] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423689] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423745] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423802] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423859] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423916] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.423973] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.424030] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.424088] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44848.424144] Task dump for CPU 48: [44848.424178] CPU 28/KVM R running task 0 44199 1 0x00042004 [44848.424246] Call Trace: [44848.424269] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44848.424338] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44848.424405] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44848.424474] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44848.424542] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44848.424611] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44848.424691] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44848.424762] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44848.424833] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44848.424904] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44848.424973] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44848.425030] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44848.425087] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44863.344077] INFO: rcu_bh self-detected stall on CPU [44863.344133] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2720589 [44863.344142] (t=5455788 jiffies g=370 c=369 q=4) [44863.344150] Task dump for CPU 64: [44863.344154] CPU 19/KVM R running task 0 44190 1 0x00042004 [44863.344162] Call Trace: [44863.344166] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44863.344236] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44863.344305] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44863.344373] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44863.344442] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44863.344511] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44863.344579] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44863.344648] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44863.344717] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44863.344786] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44863.344843] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44863.344913] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44863.345004] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44863.345073] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44863.345142] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44863.345210] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44863.345279] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44863.345348] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44863.345429] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44863.345500] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44863.345572] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44863.345642] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44863.345711] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44863.345769] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44863.345826] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44911.419187] INFO: rcu_sched self-detected stall on CPU [44911.419250] 40-...: (5518973 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2755353 [44911.419265] (t=5519013 jiffies g=269170 c=269169 q=815858) [44911.419280] Task dump for CPU 32: [44911.419319] numad R running task 0 2709 1 0x00042004 [44911.419394] Call Trace: [44911.419421] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44911.419496] Task dump for CPU 40: [44911.419533] CPU 0/KVM R running task 0 44171 1 0x00042004 [44911.419608] Call Trace: [44911.419636] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44911.419712] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44911.419787] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44911.419863] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44911.419938] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44911.420013] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44911.420089] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44911.420164] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44911.420239] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44911.420315] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44911.420379] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44911.420456] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44911.420554] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44911.420630] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44911.420704] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44911.420780] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44911.420855] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44911.420932] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44911.421021] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44911.421102] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44911.421183] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44911.421262] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44911.421339] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44911.421402] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44911.421465] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [44911.421527] Task dump for CPU 48: [44911.421565] CPU 28/KVM R running task 0 44199 1 0x00042004 [44911.421639] Call Trace: [44911.421665] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44911.421741] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44911.421817] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44911.421892] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44911.421968] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44911.422044] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44911.422132] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44911.422213] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44911.422314] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44911.422455] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44911.422592] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44911.422707] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44911.422822] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44926.354912] INFO: rcu_bh self-detected stall on CPU [44926.354980] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2728441 [44926.354988] (t=5471541 jiffies g=370 c=369 q=4) [44926.354995] Task dump for CPU 64: [44926.354999] CPU 19/KVM R running task 0 44190 1 0x00042004 [44926.355069] Call Trace: [44926.355093] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44926.355162] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44926.355231] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44926.355300] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44926.355368] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44926.355437] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44926.355506] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44926.355574] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44926.355643] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44926.355712] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44926.355770] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44926.355840] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44926.355931] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44926.356000] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44926.356069] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44926.356138] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44926.356206] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44926.356276] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44926.356357] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44926.356428] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44926.356499] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44926.356571] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44926.356640] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44926.356697] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44926.356755] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [44974.434020] INFO: rcu_sched self-detected stall on CPU [44974.434022] INFO: rcu_sched self-detected stall on CPU [44974.434025] INFO: rcu_sched self-detected stall on CPU [44974.434028] 32-...: (5534431 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2763229 [44974.434028] [44974.434031] 40-...: (5534727 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2763229 [44974.434032] (t=5534767 jiffies g=269170 c=269169 q=818109) [44974.434033] [44974.434034] Task dump for CPU 32: [44974.434034] numad R running task 0 2709 1 0x00042004 [44974.434035] Call Trace: [44974.434037] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44974.434039] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44974.434040] (t=5534767 jiffies g=269170 c=269169 q=818109) [44974.434042] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44974.434044] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [44974.434045] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44974.434046] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44974.434048] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44974.434049] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44974.434050] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44974.434052] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44974.434053] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [44974.434055] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [44974.434056] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [44974.434057] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [44974.434058] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [44974.434059] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [44974.434061] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [44974.434062] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [44974.434063] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [44974.434064] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [44974.434065] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [44974.434066] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [44974.434067] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [44974.434068] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [44974.434070] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [44974.434071] Task dump for CPU 40: [44974.434071] CPU 0/KVM R running task [44974.434072] Task dump for CPU 32: [44974.434073] numad R running task 0 2709 1 0x00042004 [44974.434076] 0 44171 1 0x00042004 [44974.434077] Call Trace: [44974.434078] [c0000007e9ce30f0] [0000000000000001] 0x1 [44974.434079] Call Trace: [44974.434081] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [44974.434084] (unreliable) [44974.434085] Task dump for CPU 48: [44974.434086] CPU 28/KVM R running task 0 44199 1 0x00042004 [44974.434087] Call Trace: [44974.434087] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44974.434090] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44974.434092] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44974.434093] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44974.434095] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44974.434097] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44974.434099] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44974.434103] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44974.434107] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44974.434110] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44974.434112] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44974.434115] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44974.434117] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44974.434119] Task dump for CPU 40: [44974.434119] CPU 0/KVM R running task 0 44171 1 0x00042004 [44974.434122] Call Trace: [44974.434124] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44974.434126] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44974.434129] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44974.434131] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44974.434134] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44974.434136] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44974.434138] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44974.434140] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44974.434143] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44974.434145] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44974.434148] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44974.434152] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44974.434153] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [44974.434156] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44974.434159] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44974.434161] [c0000007e9ce3890] [c000000000ched_timer+0x0/0xd0 [44974.444512] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.444627] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.444741] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.444856] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.444971] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445085] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445200] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445314] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445429] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445544] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445658] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445773] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.445888] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446002] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446117] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446232] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446347] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446461] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446576] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446690] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446804] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.446919] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447034] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447148] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447263] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447377] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447492] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447606] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447721] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447802] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447859] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447916] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.447974] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448031] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448089] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448146] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448203] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448260] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448317] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448374] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448432] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448493] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448550] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448607] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448664] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448721] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448779] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448836] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448893] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [44974.448950] Task dump for CPU 48: [44974.448984] CPU 28/KVM R running task 0 44199 1 0x00042004 [44974.449053] Call Trace: [44974.449077] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44974.449145] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44974.449214] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44974.449282] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [44974.449351] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44974.449420] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44974.449488] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44974.449556] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44974.449626] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44974.449694] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44974.449752] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [44974.449822] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44974.449912] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [44974.449981] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44974.450050] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44974.450119] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44974.450188] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44974.450258] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44974.450338] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44974.450410] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44974.450482] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44974.450553] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44974.450622] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44974.450681] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44974.450739] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [44989.365746] INFO: rcu_bh self-detected stall on CPU [44989.365814] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2736308 [44989.365822] (t=5487294 jiffies g=370 c=369 q=4) [44989.365830] Task dump for CPU 64: [44989.365834] CPU 19/KVM R running task 0 44190 1 0x00042004 [44989.365904] Call Trace: [44989.365928] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [44989.365996] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [44989.366065] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [44989.366134] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [44989.366203] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [44989.366271] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [44989.366340] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [44989.366408] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [44989.366477] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [44989.366546] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [44989.366604] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [44989.366673] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [44989.366764] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [44989.366832] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [44989.366901] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [44989.366970] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [44989.367039] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [44989.367108] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [44989.367190] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [44989.367261] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [44989.367333] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [44989.367404] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [44989.367473] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [44989.367531] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [44989.367589] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [45037.444856] INFO: rcu_sched self-detected stall on CPU [45037.444919] 40-...: (5550480 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2771106 [45037.444934] (t=5550520 jiffies g=269170 c=269169 q=821046) [45037.444949] Task dump for CPU 32: [45037.444978] numad R running task 0 2709 1 0x00042004 [45037.445053] Call Trace: [45037.445080] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45037.445155] Task dump for CPU 40: [45037.445192] CPU 0/KVM R running task 0 44171 1 0x00042004 [45037.445267] Call Trace: [45037.445295] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45037.445371] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45037.445445] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45037.445521] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45037.445597] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45037.445671] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45037.445746] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45037.445821] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45037.445897] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45037.445972] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45037.446036] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45037.446113] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45037.446211] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45037.446287] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45037.446362] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45037.446437] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45037.446513] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45037.446590] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45037.446679] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45037.446760] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45037.446841] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45037.446920] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45037.446996] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45037.447060] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45037.447124] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45037.447186] Task dump for CPU 48: [45037.447224] CPU 28/KVM R running task 0 44199 1 0x00042004 [45037.447299] Call Trace: [45037.447325] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45037.447401] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45037.447476] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45037.447551] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45037.447627] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45037.447704] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45037.447792] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45037.447890] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45037.448032] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45037.448172] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45037.448310] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45037.448424] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45037.448539] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45052.376580] INFO: rcu_bh self-detected stall on CPU [45052.376670] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2744172 [45052.376749] (t=5503047 jiffies g=370 c=369 q=4) [45052.376797] Task dump for CPU 64: [45052.376832] CPU 19/KVM R running task 0 44190 1 0x00042004 [45052.376900] Call Trace: [45052.376924] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45052.376993] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45052.377062] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45052.377130] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45052.377199] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45052.377268] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45052.377336] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45052.377405] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45052.377474] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45052.377543] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45052.377600] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45052.377670] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45052.377760] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45052.377829] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45052.377898] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45052.377967] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45052.378036] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45052.378105] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45052.378186] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45052.378258] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45052.378330] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45052.378401] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45052.378470] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45052.378528] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45052.378586] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [45100.455690] INFO: rcu_sched self-detected stall on CPU [45100.455765] 40-...: (5566233 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2778981 [45100.455779] (t=5566273 jiffies g=269170 c=269169 q=823417) [45100.455846] Task dump for CPU 32: [45100.455884] numad R running task 0 2709 1 0x00042004 [45100.455959] Call Trace: [45100.455986] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45100.456060] Task dump for CPU 40: [45100.456098] CPU 0/KVM R running task 0 44171 1 0x00042004 [45100.456173] Call Trace: [45100.456200] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45100.456275] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45100.456351] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45100.456427] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45100.456502] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45100.456578] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45100.456653] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45100.456728] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45100.456804] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45100.456880] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45100.456944] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45100.457021] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45100.457120] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45100.457196] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45100.457271] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45100.457347] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45100.457423] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45100.457500] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45100.457590] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45100.457671] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45100.457752] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45100.457832] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45100.457908] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45100.457972] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45100.458036] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45100.458098] Task dump for CPU 48: [45100.458136] CPU 28/KVM R running task 0 44199 1 0x00042004 [45100.458211] Call Trace: [45100.458237] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45100.458313] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45100.458388] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45100.458464] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45100.458540] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45100.458617] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45100.458717] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45100.458861] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45100.459003] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45100.459143] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45100.459281] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45100.459395] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45100.459510] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45115.387415] INFO: rcu_bh self-detected stall on CPU [45115.387506] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2752004 [45115.387585] (t=5518800 jiffies g=370 c=369 q=4) [45115.387633] Task dump for CPU 64: [45115.387667] CPU 19/KVM R running task 0 44190 1 0x00042004 [45115.387736] Call Trace: [45115.387761] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45115.387829] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45115.387898] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45115.387967] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45115.388035] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45115.388104] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45115.388173] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45115.388241] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45115.388310] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45115.388379] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45115.388437] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45115.388507] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45115.388598] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45115.388667] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45115.388736] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45115.388805] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45115.388874] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45115.388944] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45115.389025] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45115.389097] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45115.389168] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45115.389239] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45115.389308] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45115.389365] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45115.389423] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [45163.466525] INFO: rcu_sched self-detected stall on CPU [45163.466600] 40-...: (5581986 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2786857 [45163.466614] (t=5582026 jiffies g=269170 c=269169 q=825675) [45163.466681] Task dump for CPU 32: [45163.466719] numad R running task 0 2709 1 0x00042004 [45163.466794] Call Trace: [45163.466820] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45163.466895] Task dump for CPU 40: [45163.466932] CPU 0/KVM R running task 0 44171 1 0x00042004 [45163.467007] Call Trace: [45163.467035] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45163.467110] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45163.467185] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45163.467262] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45163.467337] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45163.467412] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45163.467488] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45163.467562] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45163.467638] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45163.467713] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45163.467777] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45163.467854] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45163.467952] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45163.468028] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45163.468103] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45163.468179] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45163.468254] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45163.468331] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45163.468420] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45163.468500] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45163.468581] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45163.468660] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45163.468736] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45163.468800] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45163.468864] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45163.468926] Task dump for CPU 48: [45163.468963] CPU 28/KVM R running task 0 44199 1 0x00042004 [45163.469038] Call Trace: [45163.469064] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45163.469140] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45163.469215] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45163.469290] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45163.469366] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45163.469442] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45163.469531] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45163.469612] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45163.469691] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45163.469771] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45163.469880] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45163.469995] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45163.470109] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45178.398249] INFO: rcu_bh self-detected stall on CPU [45178.398339] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2759874 [45178.398418] (t=5534553 jiffies g=370 c=369 q=4) [45178.398467] Task dump for CPU 64: [45178.398501] CPU 19/KVM R running task 0 44190 1 0x00042004 [45178.398570] Call Trace: [45178.398594] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45178.398662] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45178.398731] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45178.398800] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45178.398869] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45178.398937] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45178.399006] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45178.399074] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45178.399143] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45178.399212] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45178.399269] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45178.399339] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45178.399430] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45178.399499] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45178.399567] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45178.399636] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45178.399705] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45178.399774] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45178.399855] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45178.399926] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45178.399998] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45178.400069] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45178.400138] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45178.400196] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45178.400254] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [45226.477359] INFO: rcu_sched self-detected stall on CPU [45226.477421] 40-...: (5597739 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2794733 [45226.477436] (t=5597779 jiffies g=269170 c=269169 q=827929) [45226.477451] Task dump for CPU 32: [45226.477479] numad R running task 0 2709 1 0x00042004 [45226.477554] Call Trace: [45226.477580] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45226.477655] Task dump for CPU 40: [45226.477693] CPU 0/KVM R running task 0 44171 1 0x00042004 [45226.477767] Call Trace: [45226.477795] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45226.477870] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45226.477945] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45226.478021] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45226.478096] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45226.478172] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45226.478246] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45226.478321] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45226.478397] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45226.478472] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45226.478536] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45226.478613] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45226.478711] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45226.478787] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45226.478862] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45226.478937] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45226.479013] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45226.479090] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45226.479179] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45226.479260] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45226.479341] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45226.479420] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45226.479497] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45226.479560] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45226.479624] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45226.479686] Task dump for CPU 48: [45226.479724] CPU 28/Kq=830187) [45289.492205] 40-...: (5613493 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2802609 [45289.492206] Task dump for CPU 32: [45289.492206] numad R running task [45289.492208] [45289.492209] 0 2709 1 0x00042004 [45289.492209] Call Trace: [45289.492210] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45289.492212] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45289.492214] (t=5613533 jiffies g=269170 c=269169 q=830187) [45289.492215] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45289.492217] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [45289.492218] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45289.492220] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45289.492221] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45289.492222] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45289.492224] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45289.492225] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45289.492227] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [45289.492229] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [45289.492229] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [45289.492231] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [45289.492232] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [45289.492233] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [45289.492234] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [45289.492236] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [45289.492237] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [45289.492238] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [45289.492240] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [45289.492241] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [45289.492242] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [45289.492243] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [45289.492244] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [45289.492245] Task dump for CPU 40: [45289.492246] CPU 0/KVM R [45289.492247] Task dump for CPU 32: [45289.492248] numad R running task 0 2709 1 0x00042004 [45289.492250] Call Trace: [45289.492252] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45289.492253] running task 0 44171 1 0x00042004 [45289.492254] Call Trace: [45289.492255] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [45289.492256] Task dump for CPU 48: [45289.492256] CPU 28/KVM R running task 0 44199 1 0x00042004 [45289.492257] Call Trace: [45289.492258] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45289.492260] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45289.492261] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45289.492263] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45289.492264] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45289.492266] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45289.492268] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45289.492272] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45289.492276] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45289.492280] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45289.492281] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45289.492282] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45289.492284] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45289.492286] Task dump for CPU 40: [45289.492286] CPU 0/KVM R running task 0 44171 1 0x00042004 [45289.492288] Call Trace: [45289.492290] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45289.492294] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45289.492296] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45289.492299] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45289.492301] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45289.492303] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45289.492305] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45289.492307] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45289.492310] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45289.492312] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45289.492315] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45289.492319] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45289.492320] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45289.492323] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45289.492325] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45289.492328] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45289.492331] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45289.492335] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45289.492338] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45289.492346] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45289.492353] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45289.492360] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45289.492362] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45289.492365] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45289.492367] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45289.492369] Task dump for CPU 48: [45289.492369] CPU 28/KVM R running task 0 44199 1 0x00042004 [45289.492371] Call Trace: [45289.492372] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45289.492375] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45289.492377] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45289.492380] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45289.492383] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45289.492386] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45289.492390] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45289.492397] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45289.492404] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45289.492410] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45289.492412] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45289.492415] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45289.492418] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45289.500821] 48-...: (5613276 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2802610 [45289.500899] (t=5613535 jiffies g=269170 c=269169 q=830187) [45289.500959] Task dump for CPU 32: [45289.500993] numad R running task 0 2709 1 0x00042004 [45289.501062] Call Trace: [45289.501085] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45289.501153] Task dump for CPU 40: [45289.501187] CPU 0/KVM R running task 0 44171 1 0x00042004 [45289.501256] Call Trace: [45289.501279] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [45289.501337] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [45289.501405] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.501462] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.501520] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.501610] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.501725] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.501840] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.501954] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502069] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502183] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502298] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502412] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502527] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502642] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502756] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502871] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.502985] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503100] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503214] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503329] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503444] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503558] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503673] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503787] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.503902] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504016] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504131] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504246] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504360] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504475] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504589] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504704] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504818] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.504933] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505047] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505162] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505277] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505391] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505506] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505620] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505735] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505850] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.505964] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506069] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506126] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506184] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506241] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506298] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506356] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506413] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506470] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506528] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506585] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506642] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506700] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506757] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506814] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506872] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506931] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.506989] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.507046] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.507103] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.507161] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.507218] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45289.507275] Task dump for CPU 48: [45289.507309] CPU 28/KVM R running task 0 44199 1 0x00042004 [45289.507377] Call Trace: [45289.507401] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45289.507469] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45289.507537] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45289.507607] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [45289.507675] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45289.507743] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45289.507812] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45289.507880] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45289.507949] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45289.508017] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45289.508075] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [45289.508145] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45289.508235] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45289.508304] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45289.508372] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45289.508441] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45289.508510] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45289.508579] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45289.508660] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45289.508731] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45289.508803] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45289.508874] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45289.508943] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45289.509001] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45289.509058] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45304.419917] INFO: rcu_bh self-detected stall on CPU [45304.419985] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2775621 [45304.419993] (t=5566059 jiffies g=370 c=369 q=4) [45304.420001] Task dump for CPU 64: [45304.420005] CPU 19/KVM R running task 0 44190 1 0x00042004 [45304.420074] Call Trace: [45304.420098] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45304.420167] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45304.420236] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45304.420304] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45304.420373] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45304.420442] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45304.420510] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45304.420579] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45304.420648] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45304.420717] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45304.420774] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45304.420844] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45304.420934] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45304.421004] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45304.421072] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45304.421141] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45304.421210] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45304.421279] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45304.421360] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45304.421432] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45304.421503] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45304.421574] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45304.421644] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45304.421702] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45304.421759] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [45352.507026] INFO: rcu_sched self-detected stall on CPU [45352.507029] INFO: rcu_sched self-detected stall on CPU [45352.507031] 48-...: (5629027 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2810485 [45352.507031] [45352.507032] INFO: rcu_sched self-detected stall on CPU [45352.507035] 40-...: (5629247 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2810486 [45352.507036] (t=5629287 jiffies g=269170 c=269169 q=833101) [45352.507037] [45352.507037] Task dump for CPU 32: [45352.507038] numad R running task 0 2709 1 0x00042004 [45352.507039] Call Trace: [45352.507040] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [45352.507041] (t=5629287 jiffies g=269170 c=269169 q=833101) [45352.507042] (unreliable) [45352.507043] Task dump for CPU 40: [45352.507043] CPU 0/KVM R [45352.507044] Task dump for CPU 32: [45352.507045] running task [45352.507045] numad R [45352.507046] 0 44171 1 0x00042004 [45352.507047] Call Trace: [45352.507047] [c0000007e9ce30f0] [0000000000000001] 0x1 [45352.507048] running task [45352.507049] (unreliable) [45352.507050] 0 2709 1 0x00042004 [45352.507051] Call Trace: [45352.507051] Task dump for CPU 48: [45352.507052] CPU 28/KVM R [45352.507053] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45352.507055] running task 0 44199 1 0x00042004 [45352.507055] Call Trace: [45352.507057] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45352.507058] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45352.507059] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45352.507061] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [45352.507062] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45352.507063] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45352.507064] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45352.507065] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45352.507067] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45352.507069] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45352.507070] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [45352.507072] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45352.507073] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45352.507074] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45352.507076] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45352.507077] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45352.507079] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45352.507081] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45352.507083] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45352.507088] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45352.507092] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45352.507095] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45352.507097] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45352.507098] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45352.507100] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45352.507101] Task dump for CPU 40: [45352.507102] CPU 0/KVM R running task 0 44171 1 0x00042004 [45352.507103] Call Trace: [45352.507106] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45352.507108] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45352.507110] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45352.507113] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45352.507116] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45352.507119] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45352.507122] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45352.507124] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45352.507127] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45352.507131] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45352.507134] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45352.507138] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45352.507139] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45352.507142] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45352.507144] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45352.507147] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45352.507150] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45352.507154] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45352.507158] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45352.507166] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45352.507173] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45352.507179] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45352.507182] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45352.507185] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45352.507187] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45352.507188] Task dump for CPU 48: [45352.507189] CPU 28/KVM R running task 0 44199 1 0x00042004 [45352.507191] Call Trace: [45352.507192] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45352.507195] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45352.507197] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45352.507200] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45352.507203] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45352.507206] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45352.507211] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45352.507218] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45352.507225] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45352.507231] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45352.507234] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45352.507236] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45352.507239] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45352.514803] 32-...: (5628951 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2810486 [45352.514881] (t=5629288 jiffies g=269170 c=269169 q=833101) [45352.514940] Task dump for CPU 32: [45352.514974] numad R running task 0 2709 1 0x00042004 [45352.515042] Call Trace: [45352.515066] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45352.515134] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45352.515202] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45352.515270] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [45352.515338] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45352.515409] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45352.515476] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45352.515544] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45352.515612] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45352.515680] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45352.515737] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [45352.515806] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [45352.515895] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [45352.515963] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [45352.516031] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [45352.516098] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [45352.516166] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [45352.516224] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [45352.516359] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [45352.516496] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [45352.516633] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [45352.516769] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [45352.516906] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [45352.517042] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [45352.517179] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [45352.517293] Task dump for CPU 40: [45352.517360] CPU 0/KVM R running task 0 44171 1 0x00042004 [45352.517496] Call Trace: [45352.517541] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [45352.517656] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [45352.517792] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.517907] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518022] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518136] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518251] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518366] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518480] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518595] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518710] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518824] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.518939] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519054] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519168] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519283] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519397] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519512] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519627] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519741] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519856] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.519971] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520085] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520200] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520314] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520429] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520543] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520658] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520759] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520815] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520872] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520929] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.520986] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521043] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521100] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521157] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521213] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521270] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521327] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521384] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.521440] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45352.52150] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45367.431186] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45367.431254] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45367.431323] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45367.431391] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45367.431460] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45367.431518] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45367.431587] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45367.431678] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45367.431746] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45367.431815] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45367.431883] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45367.431952] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45367.432021] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45367.432102] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45367.432173] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45367.432244] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45367.432315] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45367.432383] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45367.432441] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45367.432499] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [45415.521861] INFO: rcu_sched self-detected stall on CPU [45415.521864] INFO: rcu_sched self-detected stall on CPU [45415.521865] INFO: rcu_sched self-detected stall on CPU [45415.521867] 48-...: (5644781 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2818361 [45415.521868] [45415.521870] 40-...: (5645001 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2818361 [45415.521871] [45415.521872] (t=5645041 jiffies g=269170 c=269169 q=836011) [45415.521873] Task dump for CPU 32: [45415.521874] numad R running task 0 2709 1 0x00042004 [45415.521875] Call Trace: [45415.521876] (t=5645041 jiffies g=269170 c=269169 q=836011) [45415.521877] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45415.521878] Task dump for CPU 40: [45415.521878] CPU 0/KVM R [45415.521879] Task dump for CPU 32: [45415.521880] numad R [45415.521880] running task [45415.521881] running task 0 2709 1 0x00042004 [45415.521883] 0 44171 1 0x00042004 [45415.521883] Call Trace: [45415.521884] Call Trace: [45415.521886] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 [45415.521887] [c0000007e9ce30f0] [c000000000136770] load_balance+0x800/0xaa0 (unreliable) [45415.521888] (unreliable) [45415.521888] Task dump for CPU 48: [45415.521889] CPU 28/KVM R running task [45415.521890] 0 44199 1 0x00042004 [45415.521891] Call Trace: [45415.521892] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45415.521893] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45415.521894] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45415.521896] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [45415.521897] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45415.521898] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45415.521899] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45415.521900] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45415.521902] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45415.521903] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45415.521904] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [45415.521907] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45415.521907] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45415.521909] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45415.521910] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45415.521911] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45415.521913] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45415.521915] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45415.521917] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45415.521921] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45415.521926] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45415.521930] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45415.521932] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45415.521934] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45415.521936] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45415.521938] Task dump for CPU 40: [45415.521939] CPU 0/KVM R running task 0 44171 1 0x00042004 [45415.521941] Call Trace: [45415.521943] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45415.521946] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45415.521949] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45415.521952] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45415.521955] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45415.521958] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45415.521961] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45415.521963] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45415.521966] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45415.521969] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45415.521971] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45415.521975] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45415.521976] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45415.521979] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45415.521982] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45415.521984] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45415.521987] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45415.521991] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45415.521995] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45415.522002] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45415.522009] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45415.522015] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45415.522017] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45415.522020] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45415.522023] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45415.522024] Task dump for CPU 48: [45415.522024] CPU 28/KVM R running task 0 44199 1 0x00042004 [45415.522026] Call Trace: [45415.522027] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45415.522030] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45415.522033] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45415.522035] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45415.522038] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45415.522043] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45415.522047] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45415.522053] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45415.522060] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45415.522066] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45415.522070] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45415.522073] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45415.522076] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45415.529428] 32-...: (5644702 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2818362 [45415.529585] (t=5645042 jiffies g=269170 c=269169 q=836011) [45415.529686] Task dump for CPU 32: [45415.529720] numad R running task 0 2709 1 0x00042004 [45415.529789] Call Trace: [45415.529813] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45415.529881] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45415.529949] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45415.530017] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [45415.530085] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45415.530153] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45415.530221] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45415.530288] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45415.530359] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45415.530427] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45415.530484] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [45415.530553] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = remove_migration_pte+0xcc/0x480 [45415.530642] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 (unreliable) [45415.530710] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [45415.530779] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [45415.530847] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [45415.530914] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [45415.530971] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [45415.531039] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [45415.531107] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [45415.531175] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [45415.531243] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [45415.531335] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [45415.531472] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [45415.531609] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [45415.531723] Task dump for CPU 40: [45415.531790] CPU 0/KVM R running task 0 44171 1 0x00042004 [45415.531926] Call Trace: [45415.531972] [c0000007e9ce30f0] [c000000000136134] load_balance+0x1c4/0xaa0 (unreliable) [45415.532108] [c0000007e9ce3230] [c000000000137388] rebalance_domains+0x2d8/0x3a0 [45415.532245] [c0000007e9ce32e0] [c000000000b5711c] __do_softirq+0x18c/0x3fc [45415.532360] [c0000007e9ce33e0] [c0000000000e4ae8] irq_exit+0xe8/0x120 [45415.532474] [c0000007e9ce3400] [c000000000024290] timer_interrupt+0xa0/0xe0 [45415.532589] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45415.532726] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45415.532906] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45415.533043] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45415.533180] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45415.533317] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45415.533453] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45415.533591] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45415.533749] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45415.533888] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45415.534025] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45415.534161] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45415.534296] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45415.534410] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45415.534525] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45415.534638] Task dump for CPU 48: [45415.534705] CPU 28/KVM R running task 0 44199 1 0x00042004 [45415.534841] Call Trace: [45415.534886] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45415.535023] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45415.535160] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45415.535296] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45415.535433] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45415.535570] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45415.535729] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45415.535837] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45415.535908] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45415.535978] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45415.536047] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45415.536105] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45415.536162] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45430.441586] INFO: rcu_bh self-detected stall on CPU [45430.441677] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2791371 [45430.441756] (t=5597565 jiffies g=370 c=369 q=4) [45430.441804] Task dump for CPU 64: [45430.441838] CPU 19/KVM R running task 0 44190 1 0x00042004 [45430.441907] Call Trace: [45430.441931] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45430.442000] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45430.442068] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45430.442137] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45430.442206] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45430.442275] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45430.442343] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45430.442411] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45430.442480] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45430.442550] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45430.442607] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45430.442677] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 LR = follow_page_pte+0x120/0x830 [45430.442767] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45430.442837] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45430.442906] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45430.442975] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45430.443044] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45430.443114] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45430.443195] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45430.443267] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45430.443338] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45430.443410] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45430.443479] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45430.443536] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45430.443594] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 root@ltc-test-ci1:~# uname -a Linux ltc-test-ci1 4.10.0-18-generic #20-Ubuntu SMP Wed Apr 5 17:17:06 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux root@ltc-test-ci1:~# [45478.536695] INFO: rcu_sched self-detected stall on CPU [45478.536696] INFO: rcu_sched self-detected stall on CPU [45478.536697] INFO: rcu_sched self-detected stall on CPU [45478.536702] 40-...: (5660755 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2826237 [45478.536703] [45478.536705] 32-...: (5660454 ticks this GP) idle=015/140000000000001/0 softirq=422519/422525 fqs=2826238 [45478.536705] [45478.536707] (t=5660795 jiffies g=269170 c=269169 q=838804) [45478.536709] (t=5660795 jiffies g=269170 c=269169 q=838804) [45478.536710] Task dump for CPU 32: [45478.536711] numad R running task 0 2709 1 0x00042004 [45478.536713] Call Trace: [45478.536714] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45478.536716] Task dump for CPU 40: [45478.536717] CPU 0/KVM R running task 0 44171 1 0x00042004 [45478.536720] Task dump for CPU 32: [45478.536720] Call Trace: [45478.536723] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45478.536725] numad R running task [45478.536727] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45478.536730] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45478.536734] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45478.536737] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45478.536739] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45478.536742] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45478.536744] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45478.536745] 0 2709 1 0x00042004 [45478.536746] Call Trace: [45478.536748] [c000000002e170b0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45478.536750] [c000000002e17120] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45478.536752] [c000000002e17170] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45478.536755] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45478.536758] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45478.536761] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45478.536763] [c000000002e172a0] [c000000000176dd8] update_process_times+0x48/0x90 [45478.536765] [c000000002e172d0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45478.536767] [c000000002e17300] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45478.536772] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 [45478.536772] LR = follow_page_pte+0x120/0x830 [45478.536773] [c000000002e17340] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45478.536776] [c000000002e173d0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45478.536778] [c000000002e174a0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45478.536781] [c000000002e174f0] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45478.536782] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45478.536787] [c000000002e17520] [c0000000000090a4] decrementer_common+0x114/0x120 [45478.536790] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45478.536793] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45478.536796] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45478.536800] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45478.536802] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 [45478.536802] LR = remove_migration_pte+0xcc/0x480 [45478.536803] [c000000002e17810] [c000000002e17988] 0xc000000002e17988 [45478.536804] (unreliable) [45478.536808] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45478.536810] [c000000002e17840] [c00000000030c3dc] remove_migration_pte+0xcc/0x480 [45478.536814] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45478.536816] [c000000002e178a0] [c0000000002d05ac] rmap_walk_anon+0x12c/0x350 [45478.536824] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45478.536826] [c000000002e17910] [c00000000030e714] remove_migration_ptes+0x74/0x90 [45478.536834] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45478.536840] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45478.536843] [c000000002e17960] [c0000000003136a8] unfreeze_page+0x78/0xe0 [45478.536845] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45478.536849] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45478.536851] [c000000002e179a0] [c000000000317c2c] split_huge_page_to_list+0x8ec/0xa60 [45478.536854] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45478.536856] [c000000002e17a50] [c0000000002f3a74] queue_pages_pte_range+0x664/0x7c0 [45478.536858] Task dump for CPU 48: [45478.536860] [c000000002e17af0] [c0000000002cef28] __walk_page_range+0x2f8/0x7e0 [45478.536862] CPU 28/KVM R running task 0 44199 1 0x00042004 [45478.536865] Call Trace: [45478.536866] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45478.536868] [c000000002e17bb0] [c0000000002cf4b0] walk_page_range+0xa0/0x190 [45478.536872] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45478.536875] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45478.536878] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45478.536879] [c000000002e17c00] [c0000000002f3240] queue_pages_range+0x80/0xa0 [45478.536881] [c000000002e17c80] [c0000000002f5058] do_migrate_pages+0x2b8/0x360 [45478.536882] [c000000002e17d60] [c0000000002f5420] SyS_migrate_pages+0x280/0x2c0 [45478.536885] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45478.536889] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45478.536893] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45478.536900] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45478.536903] [c000000002e17e30] [c00000000000b184] system_call+0x38/0xe0 [45478.536912] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45478.536919] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45478.536921] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45478.536924] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45478.536926] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45478.536929] Task dump for CPU 40: [45478.536929] CPU 0/KVM R running task 0 44171 1 0x00042004 [45478.536931] Call Trace: [45478.536932] [c0000007e9ce30f0] [c00000000013798c] trigger_load_balance+0x6c/0x360 (unreliable) [45478.536933] [c0000007e9ce3150] [c0000007e9ce3230] 0xc0000007e9ce3230 [45478.536934] Task dump for CPU 48: [45478.536934] CPU 28/KVM R running task 0 44199 1 0x00042004 [45478.536935] Call Trace: [45478.536936] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45478.536938] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45478.536939] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45478.536941] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45478.536942] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45478.536945] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45478.536947] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45478.536951] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45478.536955] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45478.536958] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45478.536960] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45478.536961] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45478.536963] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45478.545332] 48-...: (5660535 ticks this GP) idle=423/140000000000001/0 softirq=424692/424698 fqs=2826239 [45478.545410] (t=5660797 jiffies g=269170 c=269169 q=838808) [45478.545470] Task dump for CPU 32: [45478.545504] numad R running task 0 2709 1 0x00042004 [45478.545573] Call Trace: [45478.545596] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45478.545664] Task dump for CPU 40: [45478.545699] CPU 0/KVM R running task 0 44171 1 0x00042004 [45478.545767] Call Trace: [45478.545791] [c0000007e9ce30f0] [0000000000000001] 0x1 (unreliable) [45478.545849] [c0000007e9ce3150] [c00000000011d114] scheduler_tick+0x104/0x180 [45478.545918] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546020] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546134] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546249] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546364] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546478] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546593] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546707] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546822] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.546937] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547051] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547166] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547280] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547395] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547509] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547624] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547739] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547853] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.547968] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548082] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548197] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548311] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548426] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548541] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548655] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548770] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548884] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.548999] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549114] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549228] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549343] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549458] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549572] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549687] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549802] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.549916] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550031] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550145] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550260] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550375] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550468] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550526] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550583] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550640] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550697] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550755] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550812] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550869] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550926] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.550984] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551041] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551098] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551155] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551215] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551273] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551330] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551387] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551444] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551502] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551559] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551616] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551673] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551731] [c0000007e9ce3148] [c00000000018e350] tick_sched_timer+0x0/0xd0 [45478.551788] Task dump for CPU 48: [45478.551822] CPU 28/KVM R running task 0 44199 1 0x00042004 [45478.551890] Call Trace: [45478.551914] [c0000007e9caafc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45478.551983] [c0000007e9cab030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45478.552051] [c0000007e9cab080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45478.552120] [c0000007e9cab1b0] [c000000000176dd8] update_process_times+0x48/0x90 [45478.552189] [c0000007e9cab1e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45478.552257] [c0000007e9cab210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45478.552325] [c0000007e9cab250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45478.552394] [c0000007e9cab2e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45478.552462] [c0000007e9cab3b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45478.552531] [c0000007e9cab400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45478.552589] [c0000007e9cab430] [c0000000000090a4] decrementer_common+0x114/0x120 [45478.552658] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 [45478.552658] LR = follow_page_pte+0x120/0x830 [45478.552748] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45478.552817] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45478.552886] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45478.552955] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45478.553023] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45478.553093] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45478.553174] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45478.553246] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45478.553317] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45478.553387] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45478.553457] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45478.553514] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45478.553572] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45493.452421] INFO: rcu_bh self-detected stall on CPU [45493.452488] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2799245 [45493.452496] (t=5613318 jiffies g=370 c=369 q=4) [45493.452505] Task dump for CPU 64: [45493.452509] CPU 19/KVM R running task 0 44190 1 0x00042004 [45493.452578] Call Trace: [45493.452602] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45493.452671] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45493.452741] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45493.452810] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45493.452878] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45493.452948] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45493.453016] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45493.453084] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45493.453154] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45493.453223] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45493.453280] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45493.453350] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 [45493.453350] LR = follow_page_pte+0x120/0x830 [45493.453441] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45493.453510] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45493.453579] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45493.453648] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45493.453717] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45493.453786] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45493.453867] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45493.453939] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45493.454011] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45493.454082] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45493.454151] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45493.454209] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45493.454267] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0 [45541.547530] INFO: rcu_sched self-detected stall on CPU [45541.547605] 40-...: (5676508 ticks this GP) idle=fb9/140000000000001/0 softirq=427145/427152 fqs=2834114 [45541.547619] (t=5676548 jiffies g=269170 c=269169 q=841723) [45541.547688] Task dump for CPU 32: [45541.547726] numad R running task 0 2709 1 0x00042004 [45541.547801] Call Trace: [45541.547827] [c000000002e17560] [c0000007edf388b8] 0xc0000007edf388b8 (unreliable) [45541.547902] Task dump for CPU 40: [45541.547940] CPU 0/KVM R running task 0 44171 1 0x00042004 [45541.548015] Call Trace: [45541.548043] [c0000007e9ce2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45541.548118] [c0000007e9ce3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45541.548194] [c0000007e9ce3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45541.548270] [c0000007e9ce31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45541.548346] [c0000007e9ce31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45541.548422] [c0000007e9ce3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45541.548497] [c0000007e9ce3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45541.548572] [c0000007e9ce32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45541.548648] [c0000007e9ce33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45541.548724] [c0000007e9ce3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45541.548789] [c0000007e9ce3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45541.548866] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 [45541.548866] LR = follow_page_pte+0x120/0x830 [45541.548965] [c0000007e9ce3720] [8010018000000000] 0x8010018000000000 (unreliable) [45541.549041] [c0000007e9ce3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45541.549117] [c0000007e9ce37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45541.549193] [c0000007e9ce3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45541.549269] [c0000007e9ce3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45541.549347] [c0000007e9ce3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45541.549436] [c0000007e9ce3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45541.549516] [c0000007e9ce3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45541.549597] [c0000007e9ce3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45541.549677] [c0000007e9ce3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45541.549753] [c0000007e9ce3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45541.549817] [c0000007e9ce3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45541.549881] [c0000007e9ce3e30] [c00000000000b184] system_call+0x38/0xe0 [45541.549943] Task dump for CPU 48: [45541.549980] CPU 28/KVM R running task 0 44199 1 0x00042004 [45541.550056] Call Trace: [45541.550082] [c0000007e9cab720] [c0000007e9cab900] 0xc0000007e9cab900 (unreliable) [45541.550158] [c0000007e9cab750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45541.550234] [c0000007e9cab7e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45541.550310] [c0000007e9cab890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45541.550386] [c0000007e9cab930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45541.550463] [c0000007e9cab980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45541.550552] [c0000007e9caba70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45541.550632] [c0000007e9cabb80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45541.550713] [c0000007e9cabba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45541.550844] [c0000007e9cabbe0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45541.550982] [c0000007e9cabd40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45541.551097] [c0000007e9cabde0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45541.551211] [c0000007e9cabe30] [c00000000000b184] system_call+0x38/0xe0 [45556.463256] INFO: rcu_bh self-detected stall on CPU [45556.463311] 64-...: (1 GPs behind) idle=285/140000000000001/0 softirq=405477/406852 fqs=2807115 [45556.463319] (t=5629071 jiffies g=370 c=369 q=4) [45556.463327] Task dump for CPU 64: [45556.463331] CPU 19/KVM R running task 0 44190 1 0x00042004 [45556.463338] Call Trace: [45556.463342] [c0000007e9cb2fc0] [c00000000011eb1c] sched_show_task+0xcc/0x150 (unreliable) [45556.463392] [c0000007e9cb3030] [c000000000b5b798] rcu_dump_cpu_stacks+0xec/0x120 [45556.463461] [c0000007e9cb3080] [c00000000016d5b0] rcu_check_callbacks+0x930/0xb30 [45556.463529] [c0000007e9cb31b0] [c000000000176dd8] update_process_times+0x48/0x90 [45556.463598] [c0000007e9cb31e0] [c00000000018e2d0] tick_sched_handle.isra.7+0x30/0xb0 [45556.463667] [c0000007e9cb3210] [c00000000018e3b4] tick_sched_timer+0x64/0xd0 [45556.463735] [c0000007e9cb3250] [c0000000001779e4] __hrtimer_run_queues+0x124/0x420 [45556.463804] [c0000007e9cb32e0] [c000000000178918] hrtimer_interrupt+0xf8/0x330 [45556.463873] [c0000007e9cb33b0] [c000000000023e8c] __timer_interrupt+0x8c/0x270 [45556.463942] [c0000007e9cb3400] [c00000000002428c] timer_interrupt+0x9c/0xe0 [45556.464000] [c0000007e9cb3430] [c0000000000090a4] decrementer_common+0x114/0x120 [45556.464069] --- interrupt: 901 at _raw_spin_lock+0x74/0xe0 [45556.464069] LR = follow_page_pte+0x120/0x830 [45556.464160] [c0000007e9cb3720] [c0000007e9cb3900] 0xc0000007e9cb3900 (unreliable) [45556.464229] [c0000007e9cb3750] [c0000000002b4250] follow_page_pte+0x120/0x830 [45556.464298] [c0000007e9cb37e0] [c0000000002b54fc] __get_user_pages+0x10c/0x4e0 [45556.464367] [c0000007e9cb3890] [c0000000002b5c64] get_user_pages_unlocked+0xf4/0x280 [45556.464436] [c0000007e9cb3930] [c0000000002b6e2c] get_user_pages_fast+0xac/0x100 [45556.464505] [c0000007e9cb3980] [d00000000f62d074] kvmppc_book3s_hv_page_fault+0x2bc/0xbc0 [kvm_hv] [45556.464586] [c0000007e9cb3a70] [d00000000f629a30] kvmppc_vcpu_run_hv+0xbc8/0x1220 [kvm_hv] [45556.464657] [c0000007e9cb3b80] [d00000000f5932bc] kvmppc_vcpu_run+0x34/0x48 [kvm] [45556.464729] [c0000007e9cb3ba0] [d00000000f59036c] kvm_arch_vcpu_ioctl_run+0x64/0x170 [kvm] [45556.464799] [c0000007e9cb3be0] [d00000000f583db8] kvm_vcpu_ioctl+0x500/0x780 [kvm] [45556.464869] [c0000007e9cb3d40] [c00000000035c674] do_vfs_ioctl+0xd4/0x8c0 [45556.464926] [c0000007e9cb3de0] [c00000000035cf34] SyS_ioctl+0xd4/0xf0 [45556.464984] [c0000007e9cb3e30] [c00000000000b184] system_call+0x38/0xe0