[ 179.786683] bcache: bcache_device_free() bcache0 stopped [ 179.788805] BUG: unable to handle kernel NULL pointer dereference at 0000000000000d38 [ 179.790960] IP: search_free+0x31/0x40 [bcache] [ 179.792931] PGD 0 P4D 0 [ 179.794442] Oops: 0000 [#16] SMP [ 179.795314] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 179.808637] CPU: 3 PID: 7357 Comm: kworker/3:217 Tainted: G D 4.15.0-041500rc1-generic #201808142126 [ 179.811666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 179.814202] Workqueue: bcache bch_data_insert_keys [bcache] [ 179.815900] task: ffff8e393b40ab80 task.stack: ffffa8c7879d0000 [ 179.817510] RIP: 0010:search_free+0x31/0x40 [bcache] [ 179.818933] RSP: 0018:ffffa8c7879d3df8 EFLAGS: 00010202 [ 179.820567] RAX: 0000000000000000 RBX: ffff8e393992e0d0 RCX: 00000000000bc229 [ 179.822358] RDX: 00000000000bc228 RSI: ffff8e393fda1120 RDI: ffff8e393992e0d0 [ 179.824090] RBP: ffffa8c7879d3e00 R08: 0000000000021120 R09: ffffffff94bcd027 [ 179.825941] R10: 0000000000000000 R11: 0000000000000010 R12: ffff8e3939e00010 [ 179.827803] R13: ffff8e393992e258 R14: ffff8e393fd9b6c0 R15: ffff8e393a7b9600 [ 179.829865] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 179.831814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.832781] CR2: 0000000000000d38 CR3: 000000003be3e000 CR4: 00000000000006e0 [ 179.833836] Call Trace: [ 179.834309] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 179.835309] closure_put+0x8b/0xc0 [bcache] [ 179.836069] closure_sub+0x6f/0xc0 [bcache] [ 179.837206] bch_data_insert_keys+0xd8/0x130 [bcache] [ 179.838588] process_one_work+0x1ea/0x410 [ 179.839642] worker_thread+0x32/0x410 [ 179.840674] kthread+0x11e/0x140 [ 179.841523] ? process_one_work+0x410/0x410 [ 179.842475] ? kthread_create_worker_on_cpu+0x70/0x70 [ 179.843876] ret_from_fork+0x1f/0x30 [ 179.848178] Code: 48 89 e5 53 48 89 fb e8 0e ff ff ff 48 8b bb 68 01 00 00 48 85 ff 74 05 e8 5d fa 98 d4 48 8b 83 e8 00 00 00 48 89 df 48 8b 40 70 <48> 8b b0 38 0d 00 00 e8 23 02 72 d4 5b 5d c3 0f 1f 44 00 00 55 [ 179.855256] RIP: search_free+0x31/0x40 [bcache] RSP: ffffa8c7879d3df8 [ 179.856382] CR2: 0000000000000d38 [ 179.856964] ---[ end trace 75a0650975a75af6 ]--- [ 179.858135] BUG: unable to handle kernel NULL pointer dereference at 0000000000000d38 [ 179.859803] IP: search_free+0x31/0x40 [bcache] [ 179.860918] PGD 0 P4D 0 [ 179.861543] Oops: 0000 [#17] SMP [ 179.862200] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 179.872591] CPU: 3 PID: 7347 Comm: kworker/3:207 Tainted: G D 4.15.0-041500rc1-generic #201808142126 [ 179.875319] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 179.879034] Workqueue: bcache bch_data_insert_keys [bcache] [ 179.880745] task: ffff8e3937350000 task.stack: ffffa8c787980000 [ 179.881849] RIP: 0010:search_free+0x31/0x40 [bcache] [ 179.882572] RSP: 0018:ffffa8c787983df8 EFLAGS: 00010282 [ 179.883339] RAX: 0000000000000000 RBX: ffff8e393992fcf0 RCX: 0000000000000000 [ 179.884390] RDX: 0000000000000001 RSI: 0000000000021120 RDI: ffff8e393992fcf0 [ 179.885486] RBP: ffffa8c787983e00 R08: ffff8e3929ba4100 R09: 000000018010000f [ 179.886739] R10: ffffa8c787983d70 R11: ffff8e393ffb4001 R12: ffff8e3939e00010 [ 179.887793] R13: ffff8e393992fe78 R14: ffff8e393fd9b6c0 R15: ffff8e393db94780 [ 179.889314] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 179.890480] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.891456] CR2: 0000000000000d38 CR3: 000000003daff000 CR4: 00000000000006e0 [ 179.892858] Call Trace: [ 179.893517] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 179.894783] closure_put+0x8b/0xc0 [bcache] [ 179.895521] closure_sub+0x6f/0xc0 [bcache] [ 179.896386] bch_data_insert_keys+0xd8/0x130 [bcache] [ 179.897087] process_one_work+0x1ea/0x410 [ 179.897625] worker_thread+0x32/0x410 [ 179.898150] kthread+0x11e/0x140 [ 179.898624] ? process_one_work+0x410/0x410 [ 179.899204] ? kthread_create_worker_on_cpu+0x70/0x70 [ 179.899963] ret_from_fork+0x1f/0x30 [ 179.900685] Code: 48 89 e5 53 48 89 fb e8 0e ff ff ff 48 8b bb 68 01 00 00 48 85 ff 74 05 e8 5d fa 98 d4 48 8b 83 e8 00 00 00 48 89 df 48 8b 40 70 <48> 8b b0 38 0d 00 00 e8 23 02 72 d4 5b 5d c3 0f 1f 44 00 00 55 [ 179.903003] RIP: search_free+0x31/0x40 [bcache] RSP: ffffa8c787983df8 [ 179.903965] CR2: 0000000000000d38 [ 179.904833] ---[ end trace 75a0650975a75af7 ]--- [ 179.905708] BUG: unable to handle kernel NULL pointer dereference at 0000000000000d38 [ 179.907271] IP: search_free+0x31/0x40 [bcache] [ 179.908159] PGD 0 P4D 0 [ 179.908644] Oops: 0000 [#18] SMP [ 179.909282] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 179.934610] CPU: 3 PID: 5222 Comm: kworker/3:9 Tainted: G D 4.15.0-041500rc1-generic #201808142126 [ 179.936933] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 179.940420] Workqueue: bcache bch_data_insert_keys [bcache] [ 179.941621] task: ffff8e39375b2b80 task.stack: ffffa8c7851f8000 [ 179.943213] RIP: 0010:search_free+0x31/0x40 [bcache] [ 179.944711] RSP: 0018:ffffa8c7851fbdf8 EFLAGS: 00010282 [ 179.946272] RAX: 0000000000000000 RBX: ffff8e393992d770 RCX: 000000018010000c [ 179.947449] RDX: 000000018010000d RSI: fffff31540a6e900 RDI: ffff8e393992d770 [ 179.950180] RBP: ffffa8c7851fbe00 R08: ffff8e3929ba4600 R09: 000000018010000c [ 179.952338] R10: ffffa8c7851fbd70 R11: ffff8e393ffb4000 R12: ffff8e3939e00010 [ 179.954715] R13: ffff8e393992d8f8 R14: ffff8e393fd9b6c0 R15: ffff8e3937547b40 [ 179.957363] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 179.959848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 179.962027] CR2: 0000000000000d38 CR3: 000000003daff000 CR4: 00000000000006e0 [ 179.964640] Call Trace: [ 179.965520] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 179.966310] closure_put+0x8b/0xc0 [bcache] [ 179.967006] closure_sub+0x6f/0xc0 [bcache] [ 179.967808] bch_data_insert_keys+0xd8/0x130 [bcache] [ 179.969109] process_one_work+0x1ea/0x410 [ 179.969713] worker_thread+0x32/0x410 [ 179.970255] kthread+0x11e/0x140 [ 179.970881] ? process_one_work+0x410/0x410 [ 179.971642] ? kthread_create_worker_on_cpu+0x70/0x70 [ 179.972931] ret_from_fork+0x1f/0x30 [ 179.973657] Code: 48 89 e5 53 48 89 fb e8 0e ff ff ff 48 8b bb 68 01 00 00 48 85 ff 74 05 e8 5d fa 98 d4 48 8b 83 e8 00 00 00 48 89 df 48 8b 40 70 <48> 8b b0 38 0d 00 00 e8 23 02 72 d4 5b 5d c3 0f 1f 44 00 00 55 [ 179.976178] RIP: search_free+0x31/0x40 [bcache] RSP: ffffa8c7851fbdf8 [ 179.977594] CR2: 0000000000000d38 [ 179.979162] ---[ end trace 75a0650975a75af8 ]--- [ 288.025736] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 288.027433] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 288.036807] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D 4.15.0-041500rc1-generic #201808142126 [ 288.038768] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 288.041053] Workqueue: events netstamp_clear [ 288.042049] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 288.043452] RIP: 0010:smp_call_function_many+0x223/0x250 [ 288.044734] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 288.046071] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 288.047239] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 288.048539] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 288.049909] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 288.051357] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 288.052800] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 288.054275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 288.055633] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 288.057072] Call Trace: [ 288.057812] ? __netif_receive_skb_core+0x3b/0xb10 [ 288.058939] ? cpumask_weight+0x20/0x20 [ 288.059885] ? __netif_receive_skb_core+0x3c/0xb10 [ 288.061346] on_each_cpu+0x2d/0x60 [ 288.062270] ? __netif_receive_skb_core+0x3b/0xb10 [ 288.063302] text_poke_bp+0x6a/0xf0 [ 288.064208] __jump_label_transform.isra.0+0x10b/0x120 [ 288.065482] arch_jump_label_transform+0x32/0x50 [ 288.066432] __jump_label_update+0x68/0x80 [ 288.067266] jump_label_update+0xae/0xc0 [ 288.068035] static_key_enable_cpuslocked+0x55/0x80 [ 288.068960] static_key_enable+0x1a/0x30 [ 288.069742] netstamp_clear+0x2d/0x40 [ 288.070489] process_one_work+0x1ea/0x410 [ 288.071273] worker_thread+0x32/0x410 [ 288.072026] kthread+0x11e/0x140 [ 288.072719] ? process_one_work+0x410/0x410 [ 288.073526] ? kthread_create_worker_on_cpu+0x70/0x70 [ 288.074570] ret_from_fork+0x1f/0x30 [ 288.075421] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 316.024955] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 316.030043] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 316.055774] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 316.063188] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 316.065711] Workqueue: events netstamp_clear [ 316.066856] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 316.068620] RIP: 0010:smp_call_function_many+0x223/0x250 [ 316.069881] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 316.071397] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 316.076285] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 316.080180] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 316.092986] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 316.101820] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 316.108736] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 316.114086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 316.118201] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 316.122567] Call Trace: [ 316.123924] ? __netif_receive_skb_core+0x3b/0xb10 [ 316.127328] ? cpumask_weight+0x20/0x20 [ 316.129740] ? __netif_receive_skb_core+0x3c/0xb10 [ 316.132415] on_each_cpu+0x2d/0x60 [ 316.134362] ? __netif_receive_skb_core+0x3b/0xb10 [ 316.137773] text_poke_bp+0x6a/0xf0 [ 316.138916] __jump_label_transform.isra.0+0x10b/0x120 [ 316.142192] arch_jump_label_transform+0x32/0x50 [ 316.144978] __jump_label_update+0x68/0x80 [ 316.147928] jump_label_update+0xae/0xc0 [ 316.149685] static_key_enable_cpuslocked+0x55/0x80 [ 316.151584] static_key_enable+0x1a/0x30 [ 316.152547] netstamp_clear+0x2d/0x40 [ 316.153368] process_one_work+0x1ea/0x410 [ 316.154311] worker_thread+0x32/0x410 [ 316.156871] kthread+0x11e/0x140 [ 316.159010] ? process_one_work+0x410/0x410 [ 316.161214] ? kthread_create_worker_on_cpu+0x70/0x70 [ 316.164010] ret_from_fork+0x1f/0x30 [ 316.166059] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 344.024142] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 344.028883] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 344.056314] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 344.061021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 344.071173] Workqueue: events netstamp_clear [ 344.076105] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 344.082614] RIP: 0010:smp_call_function_many+0x223/0x250 [ 344.085138] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 344.089536] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 344.093719] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 344.098267] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 344.114411] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 344.123541] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 344.130067] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 344.148328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 344.154345] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 344.161459] Call Trace: [ 344.163742] ? __netif_receive_skb_core+0x3b/0xb10 [ 344.165962] ? cpumask_weight+0x20/0x20 [ 344.170581] ? __netif_receive_skb_core+0x3c/0xb10 [ 344.180860] on_each_cpu+0x2d/0x60 [ 344.187307] ? __netif_receive_skb_core+0x3b/0xb10 [ 344.194368] text_poke_bp+0x6a/0xf0 [ 344.197640] __jump_label_transform.isra.0+0x10b/0x120 [ 344.211157] arch_jump_label_transform+0x32/0x50 [ 344.213452] __jump_label_update+0x68/0x80 [ 344.216948] jump_label_update+0xae/0xc0 [ 344.218722] static_key_enable_cpuslocked+0x55/0x80 [ 344.219857] static_key_enable+0x1a/0x30 [ 344.221200] netstamp_clear+0x2d/0x40 [ 344.223233] process_one_work+0x1ea/0x410 [ 344.226972] worker_thread+0x32/0x410 [ 344.229057] kthread+0x11e/0x140 [ 344.230928] ? process_one_work+0x410/0x410 [ 344.233274] ? kthread_create_worker_on_cpu+0x70/0x70 [ 344.235988] ret_from_fork+0x1f/0x30 [ 344.238850] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 372.029795] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 372.034096] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 372.085494] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 372.107094] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 372.116455] Workqueue: events netstamp_clear [ 372.120451] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 372.136810] RIP: 0010:smp_call_function_many+0x223/0x250 [ 372.143075] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 372.169632] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 372.177419] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 372.187374] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 372.199719] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 372.203916] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 372.207980] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 372.216613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 372.221713] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 372.238090] Call Trace: [ 372.241472] ? __netif_receive_skb_core+0x3b/0xb10 [ 372.247517] ? cpumask_weight+0x20/0x20 [ 372.252328] ? __netif_receive_skb_core+0x3c/0xb10 [ 372.257908] on_each_cpu+0x2d/0x60 [ 372.262465] ? __netif_receive_skb_core+0x3b/0xb10 [ 372.269222] text_poke_bp+0x6a/0xf0 [ 372.272846] __jump_label_transform.isra.0+0x10b/0x120 [ 372.279188] arch_jump_label_transform+0x32/0x50 [ 372.285288] __jump_label_update+0x68/0x80 [ 372.286917] jump_label_update+0xae/0xc0 [ 372.288174] static_key_enable_cpuslocked+0x55/0x80 [ 372.289640] static_key_enable+0x1a/0x30 [ 372.294992] netstamp_clear+0x2d/0x40 [ 372.299063] process_one_work+0x1ea/0x410 [ 372.303059] worker_thread+0x32/0x410 [ 372.306143] kthread+0x11e/0x140 [ 372.309144] ? process_one_work+0x410/0x410 [ 372.311839] ? kthread_create_worker_on_cpu+0x70/0x70 [ 372.317117] ret_from_fork+0x1f/0x30 [ 372.321995] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 400.022551] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 400.030103] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 400.053366] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 400.060354] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 400.065338] Workqueue: events netstamp_clear [ 400.067552] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 400.070840] RIP: 0010:smp_call_function_many+0x221/0x250 [ 400.075440] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 400.079067] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 400.083021] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 400.086896] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 400.088151] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 400.089467] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 400.094262] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 400.095856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 400.097051] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 400.099406] Call Trace: [ 400.102303] ? __netif_receive_skb_core+0x3b/0xb10 [ 400.107593] ? cpumask_weight+0x20/0x20 [ 400.113076] ? __netif_receive_skb_core+0x3c/0xb10 [ 400.119451] on_each_cpu+0x2d/0x60 [ 400.126283] ? __netif_receive_skb_core+0x3b/0xb10 [ 400.132319] text_poke_bp+0x6a/0xf0 [ 400.138753] __jump_label_transform.isra.0+0x10b/0x120 [ 400.143204] arch_jump_label_transform+0x32/0x50 [ 400.146456] __jump_label_update+0x68/0x80 [ 400.149312] jump_label_update+0xae/0xc0 [ 400.152003] static_key_enable_cpuslocked+0x55/0x80 [ 400.154872] static_key_enable+0x1a/0x30 [ 400.157133] netstamp_clear+0x2d/0x40 [ 400.159161] process_one_work+0x1ea/0x410 [ 400.161322] worker_thread+0x32/0x410 [ 400.163427] kthread+0x11e/0x140 [ 400.165182] ? process_one_work+0x410/0x410 [ 400.167366] ? kthread_create_worker_on_cpu+0x70/0x70 [ 400.169749] ret_from_fork+0x1f/0x30 [ 400.171605] Code: 73 08 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a 90 8b 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 [ 428.021751] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 428.028788] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 428.056163] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 428.060483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 428.064709] Workqueue: events netstamp_clear [ 428.066696] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 428.070942] RIP: 0010:smp_call_function_many+0x223/0x250 [ 428.073452] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 428.077216] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 428.081085] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 428.084622] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 428.088024] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 428.091879] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 428.096173] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 428.097736] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 428.100380] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 428.102670] Call Trace: [ 428.103506] ? __netif_receive_skb_core+0x3b/0xb10 [ 428.105090] ? cpumask_weight+0x20/0x20 [ 428.105858] ? __netif_receive_skb_core+0x3c/0xb10 [ 428.106949] on_each_cpu+0x2d/0x60 [ 428.108781] ? __netif_receive_skb_core+0x3b/0xb10 [ 428.111882] text_poke_bp+0x6a/0xf0 [ 428.112760] __jump_label_transform.isra.0+0x10b/0x120 [ 428.115317] arch_jump_label_transform+0x32/0x50 [ 428.117435] __jump_label_update+0x68/0x80 [ 428.119726] jump_label_update+0xae/0xc0 [ 428.121654] static_key_enable_cpuslocked+0x55/0x80 [ 428.122969] static_key_enable+0x1a/0x30 [ 428.123908] netstamp_clear+0x2d/0x40 [ 428.126161] process_one_work+0x1ea/0x410 [ 428.128381] worker_thread+0x32/0x410 [ 428.130558] kthread+0x11e/0x140 [ 428.132453] ? process_one_work+0x410/0x410 [ 428.135128] ? kthread_create_worker_on_cpu+0x70/0x70 [ 428.137061] ret_from_fork+0x1f/0x30 [ 428.137829] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 456.020993] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 456.025320] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 456.047431] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 456.053670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 456.059080] Workqueue: events netstamp_clear [ 456.061559] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 456.064849] RIP: 0010:smp_call_function_many+0x223/0x250 [ 456.067718] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 456.072332] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 456.080016] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 456.085480] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 456.091817] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 456.101148] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 456.106157] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 456.110106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 456.111428] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 456.115613] Call Trace: [ 456.116747] ? __netif_receive_skb_core+0x3b/0xb10 [ 456.119126] ? cpumask_weight+0x20/0x20 [ 456.122947] ? __netif_receive_skb_core+0x3c/0xb10 [ 456.123949] on_each_cpu+0x2d/0x60 [ 456.127864] ? __netif_receive_skb_core+0x3b/0xb10 [ 456.130358] text_poke_bp+0x6a/0xf0 [ 456.131918] __jump_label_transform.isra.0+0x10b/0x120 [ 456.134997] arch_jump_label_transform+0x32/0x50 [ 456.137917] __jump_label_update+0x68/0x80 [ 456.139575] jump_label_update+0xae/0xc0 [ 456.141902] static_key_enable_cpuslocked+0x55/0x80 [ 456.144901] static_key_enable+0x1a/0x30 [ 456.148696] netstamp_clear+0x2d/0x40 [ 456.151142] process_one_work+0x1ea/0x410 [ 456.152953] worker_thread+0x32/0x410 [ 456.154140] kthread+0x11e/0x140 [ 456.155132] ? process_one_work+0x410/0x410 [ 456.156154] ? kthread_create_worker_on_cpu+0x70/0x70 [ 456.157332] ret_from_fork+0x1f/0x30 [ 456.160347] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 484.020168] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 484.027459] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 484.060735] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 484.086972] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 484.090390] Workqueue: events netstamp_clear [ 484.112731] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 484.116131] RIP: 0010:smp_call_function_many+0x223/0x250 [ 484.130255] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 484.134801] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 484.143037] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 484.151933] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 484.164213] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 484.170421] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 484.182319] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 484.185450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 484.188070] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 484.189540] Call Trace: [ 484.190410] ? __netif_receive_skb_core+0x3b/0xb10 [ 484.193603] ? cpumask_weight+0x20/0x20 [ 484.204276] ? __netif_receive_skb_core+0x3c/0xb10 [ 484.208060] on_each_cpu+0x2d/0x60 [ 484.211569] ? __netif_receive_skb_core+0x3b/0xb10 [ 484.219424] text_poke_bp+0x6a/0xf0 [ 484.222520] __jump_label_transform.isra.0+0x10b/0x120 [ 484.225536] arch_jump_label_transform+0x32/0x50 [ 484.232939] __jump_label_update+0x68/0x80 [ 484.236217] jump_label_update+0xae/0xc0 [ 484.238055] static_key_enable_cpuslocked+0x55/0x80 [ 484.239128] static_key_enable+0x1a/0x30 [ 484.241670] netstamp_clear+0x2d/0x40 [ 484.245029] process_one_work+0x1ea/0x410 [ 484.247461] worker_thread+0x32/0x410 [ 484.249559] kthread+0x11e/0x140 [ 484.256653] ? process_one_work+0x410/0x410 [ 484.258664] ? kthread_create_worker_on_cpu+0x70/0x70 [ 484.260086] ret_from_fork+0x1f/0x30 [ 484.261074] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 512.019393] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 512.021741] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 512.038177] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 512.040195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 512.042711] Workqueue: events netstamp_clear [ 512.043820] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 512.045312] RIP: 0010:smp_call_function_many+0x223/0x250 [ 512.046496] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 512.048246] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 512.050132] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 512.051247] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 512.052488] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 512.053750] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 512.055073] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 512.058491] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 512.060953] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 512.063710] Call Trace: [ 512.064822] ? __netif_receive_skb_core+0x3b/0xb10 [ 512.066678] ? cpumask_weight+0x20/0x20 [ 512.068655] ? __netif_receive_skb_core+0x3c/0xb10 [ 512.070842] on_each_cpu+0x2d/0x60 [ 512.071711] ? __netif_receive_skb_core+0x3b/0xb10 [ 512.073228] text_poke_bp+0x6a/0xf0 [ 512.074601] __jump_label_transform.isra.0+0x10b/0x120 [ 512.075554] arch_jump_label_transform+0x32/0x50 [ 512.076465] __jump_label_update+0x68/0x80 [ 512.078046] jump_label_update+0xae/0xc0 [ 512.079106] static_key_enable_cpuslocked+0x55/0x80 [ 512.080674] static_key_enable+0x1a/0x30 [ 512.081957] netstamp_clear+0x2d/0x40 [ 512.082746] process_one_work+0x1ea/0x410 [ 512.083389] worker_thread+0x32/0x410 [ 512.084241] kthread+0x11e/0x140 [ 512.085064] ? process_one_work+0x410/0x410 [ 512.088220] ? kthread_create_worker_on_cpu+0x70/0x70 [ 512.089352] ret_from_fork+0x1f/0x30 [ 512.090194] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 540.018554] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 540.026179] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 540.060635] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 540.065195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 540.068176] Workqueue: events netstamp_clear [ 540.070152] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 540.072285] RIP: 0010:smp_call_function_many+0x226/0x250 [ 540.073823] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 540.075743] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000003 [ 540.078346] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 540.080610] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 540.081869] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 540.084709] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 540.088114] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 540.092317] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 540.095374] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 540.098924] Call Trace: [ 540.100268] ? __netif_receive_skb_core+0x3b/0xb10 [ 540.102898] ? cpumask_weight+0x20/0x20 [ 540.104471] ? __netif_receive_skb_core+0x3c/0xb10 [ 540.106320] on_each_cpu+0x2d/0x60 [ 540.107243] ? __netif_receive_skb_core+0x3b/0xb10 [ 540.108287] text_poke_bp+0x6a/0xf0 [ 540.109079] __jump_label_transform.isra.0+0x10b/0x120 [ 540.110173] arch_jump_label_transform+0x32/0x50 [ 540.111167] __jump_label_update+0x68/0x80 [ 540.113565] jump_label_update+0xae/0xc0 [ 540.115289] static_key_enable_cpuslocked+0x55/0x80 [ 540.116589] static_key_enable+0x1a/0x30 [ 540.118142] netstamp_clear+0x2d/0x40 [ 540.119864] process_one_work+0x1ea/0x410 [ 540.122072] worker_thread+0x32/0x410 [ 540.124131] kthread+0x11e/0x140 [ 540.125943] ? process_one_work+0x410/0x410 [ 540.128484] ? kthread_create_worker_on_cpu+0x70/0x70 [ 540.131100] ret_from_fork+0x1f/0x30 [ 540.132994] Code: c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 8b 4a 18 <83> e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 c7 e8 a2 [ 568.017761] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 568.023744] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 568.032665] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 568.039730] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 568.043324] Workqueue: events netstamp_clear [ 568.044156] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 568.045289] RIP: 0010:smp_call_function_many+0x226/0x250 [ 568.046371] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 568.048613] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000003 [ 568.051794] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 568.055472] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 568.057800] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 568.059065] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 568.061815] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 568.065596] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 568.068103] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 568.071060] Call Trace: [ 568.072187] ? __netif_receive_skb_core+0x3b/0xb10 [ 568.074432] ? cpumask_weight+0x20/0x20 [ 568.076241] ? __netif_receive_skb_core+0x3c/0xb10 [ 568.078222] on_each_cpu+0x2d/0x60 [ 568.079510] ? __netif_receive_skb_core+0x3b/0xb10 [ 568.083035] text_poke_bp+0x6a/0xf0 [ 568.083722] __jump_label_transform.isra.0+0x10b/0x120 [ 568.084574] arch_jump_label_transform+0x32/0x50 [ 568.085446] __jump_label_update+0x68/0x80 [ 568.086194] jump_label_update+0xae/0xc0 [ 568.088009] static_key_enable_cpuslocked+0x55/0x80 [ 568.089868] static_key_enable+0x1a/0x30 [ 568.091465] netstamp_clear+0x2d/0x40 [ 568.092143] process_one_work+0x1ea/0x410 [ 568.093856] worker_thread+0x32/0x410 [ 568.094543] kthread+0x11e/0x140 [ 568.095853] ? process_one_work+0x410/0x410 [ 568.096951] ? kthread_create_worker_on_cpu+0x70/0x70 [ 568.098823] ret_from_fork+0x1f/0x30 [ 568.099490] Code: c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 8b 4a 18 <83> e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 c7 e8 a2 [ 596.016975] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 596.019985] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 596.037311] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 596.041363] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 596.045142] Workqueue: events netstamp_clear [ 596.046905] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 596.049226] RIP: 0010:smp_call_function_many+0x223/0x250 [ 596.051372] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 596.054514] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 596.057289] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 596.059583] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 596.062348] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 596.064350] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 596.065512] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 596.067808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 596.068744] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 596.071201] Call Trace: [ 596.071713] ? __netif_receive_skb_core+0x3b/0xb10 [ 596.073532] ? cpumask_weight+0x20/0x20 [ 596.075151] ? __netif_receive_skb_core+0x3c/0xb10 [ 596.077099] on_each_cpu+0x2d/0x60 [ 596.078516] ? __netif_receive_skb_core+0x3b/0xb10 [ 596.080550] text_poke_bp+0x6a/0xf0 [ 596.082140] __jump_label_transform.isra.0+0x10b/0x120 [ 596.083814] arch_jump_label_transform+0x32/0x50 [ 596.085850] __jump_label_update+0x68/0x80 [ 596.087692] jump_label_update+0xae/0xc0 [ 596.089295] static_key_enable_cpuslocked+0x55/0x80 [ 596.090576] static_key_enable+0x1a/0x30 [ 596.092287] netstamp_clear+0x2d/0x40 [ 596.093733] process_one_work+0x1ea/0x410 [ 596.095206] worker_thread+0x32/0x410 [ 596.096333] kthread+0x11e/0x140 [ 596.097214] ? process_one_work+0x410/0x410 [ 596.097969] ? kthread_create_worker_on_cpu+0x70/0x70 [ 596.098874] ret_from_fork+0x1f/0x30 [ 596.100370] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 624.016220] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 624.023697] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 624.046952] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 624.058753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 624.063788] Workqueue: events netstamp_clear [ 624.066292] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 624.069129] RIP: 0010:smp_call_function_many+0x223/0x250 [ 624.071657] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 624.075398] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 624.078636] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 624.082377] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 624.085978] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 624.089788] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 624.094066] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 624.102792] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 624.108896] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 624.110619] Call Trace: [ 624.112553] ? __netif_receive_skb_core+0x3b/0xb10 [ 624.116482] ? cpumask_weight+0x20/0x20 [ 624.119703] ? __netif_receive_skb_core+0x3c/0xb10 [ 624.123707] on_each_cpu+0x2d/0x60 [ 624.125010] ? __netif_receive_skb_core+0x3b/0xb10 [ 624.128603] text_poke_bp+0x6a/0xf0 [ 624.131833] __jump_label_transform.isra.0+0x10b/0x120 [ 624.136943] arch_jump_label_transform+0x32/0x50 [ 624.141672] __jump_label_update+0x68/0x80 [ 624.146242] jump_label_update+0xae/0xc0 [ 624.154764] static_key_enable_cpuslocked+0x55/0x80 [ 624.157388] static_key_enable+0x1a/0x30 [ 624.159847] netstamp_clear+0x2d/0x40 [ 624.163603] process_one_work+0x1ea/0x410 [ 624.166666] worker_thread+0x32/0x410 [ 624.172154] kthread+0x11e/0x140 [ 624.175562] ? process_one_work+0x410/0x410 [ 624.181284] ? kthread_create_worker_on_cpu+0x70/0x70 [ 624.186410] ret_from_fork+0x1f/0x30 [ 624.189789] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 652.015390] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 652.018700] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 652.039998] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 652.042361] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 652.046115] Workqueue: events netstamp_clear [ 652.048013] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 652.050987] RIP: 0010:smp_call_function_many+0x226/0x250 [ 652.053774] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 652.057256] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000003 [ 652.059737] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 652.062419] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 652.064943] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 652.067930] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 652.071632] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 652.075639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 652.078432] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 652.082039] Call Trace: [ 652.083518] ? __netif_receive_skb_core+0x3b/0xb10 [ 652.086768] ? cpumask_weight+0x20/0x20 [ 652.088667] ? __netif_receive_skb_core+0x3c/0xb10 [ 652.090029] on_each_cpu+0x2d/0x60 [ 652.090753] ? __netif_receive_skb_core+0x3b/0xb10 [ 652.091849] text_poke_bp+0x6a/0xf0 [ 652.092729] __jump_label_transform.isra.0+0x10b/0x120 [ 652.094109] arch_jump_label_transform+0x32/0x50 [ 652.095415] __jump_label_update+0x68/0x80 [ 652.096428] jump_label_update+0xae/0xc0 [ 652.097372] static_key_enable_cpuslocked+0x55/0x80 [ 652.098369] static_key_enable+0x1a/0x30 [ 652.099225] netstamp_clear+0x2d/0x40 [ 652.100161] process_one_work+0x1ea/0x410 [ 652.101105] worker_thread+0x32/0x410 [ 652.101924] kthread+0x11e/0x140 [ 652.102699] ? process_one_work+0x410/0x410 [ 652.103864] ? kthread_create_worker_on_cpu+0x70/0x70 [ 652.105086] ret_from_fork+0x1f/0x30 [ 652.106297] Code: c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 8b 4a 18 <83> e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 c7 e8 a2 [ 680.014571] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 680.019400] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 680.041778] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 680.044382] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 680.046800] Workqueue: events netstamp_clear [ 680.048309] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 680.050519] RIP: 0010:smp_call_function_many+0x226/0x250 [ 680.051563] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 680.053011] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000003 [ 680.054269] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 680.055673] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 680.057141] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 680.058520] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 680.059979] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 680.061636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 680.062807] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 680.064539] Call Trace: [ 680.066026] ? __netif_receive_skb_core+0x3b/0xb10 [ 680.069058] ? cpumask_weight+0x20/0x20 [ 680.070295] ? __netif_receive_skb_core+0x3c/0xb10 [ 680.073246] on_each_cpu+0x2d/0x60 [ 680.075074] ? __netif_receive_skb_core+0x3b/0xb10 [ 680.076601] text_poke_bp+0x6a/0xf0 [ 680.077590] __jump_label_transform.isra.0+0x10b/0x120 [ 680.078942] arch_jump_label_transform+0x32/0x50 [ 680.080944] __jump_label_update+0x68/0x80 [ 680.083037] jump_label_update+0xae/0xc0 [ 680.084551] static_key_enable_cpuslocked+0x55/0x80 [ 680.086832] static_key_enable+0x1a/0x30 [ 680.088355] netstamp_clear+0x2d/0x40 [ 680.089733] process_one_work+0x1ea/0x410 [ 680.091222] worker_thread+0x32/0x410 [ 680.093057] kthread+0x11e/0x140 [ 680.094649] ? process_one_work+0x410/0x410 [ 680.096274] ? kthread_create_worker_on_cpu+0x70/0x70 [ 680.097779] ret_from_fork+0x1f/0x30 [ 680.099120] Code: c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 8b 4a 18 <83> e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 c7 e8 a2 [ 708.013768] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 708.017070] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 708.029383] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 708.031352] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 708.033251] Workqueue: events netstamp_clear [ 708.033962] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 708.034761] RIP: 0010:smp_call_function_many+0x223/0x250 [ 708.035964] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 708.037485] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 708.038829] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 708.040193] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 708.043056] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 708.046877] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 708.050464] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 708.054933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 708.058177] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 708.061997] Call Trace: [ 708.063304] ? __netif_receive_skb_core+0x3b/0xb10 [ 708.064588] ? cpumask_weight+0x20/0x20 [ 708.066315] ? __netif_receive_skb_core+0x3c/0xb10 [ 708.068635] on_each_cpu+0x2d/0x60 [ 708.070111] ? __netif_receive_skb_core+0x3b/0xb10 [ 708.072326] text_poke_bp+0x6a/0xf0 [ 708.074362] __jump_label_transform.isra.0+0x10b/0x120 [ 708.077533] arch_jump_label_transform+0x32/0x50 [ 708.080217] __jump_label_update+0x68/0x80 [ 708.082266] jump_label_update+0xae/0xc0 [ 708.084614] static_key_enable_cpuslocked+0x55/0x80 [ 708.087405] static_key_enable+0x1a/0x30 [ 708.089696] netstamp_clear+0x2d/0x40 [ 708.091435] process_one_work+0x1ea/0x410 [ 708.093000] worker_thread+0x32/0x410 [ 708.095327] kthread+0x11e/0x140 [ 708.099581] ? process_one_work+0x410/0x410 [ 708.102104] ? kthread_create_worker_on_cpu+0x70/0x70 [ 708.104747] ret_from_fork+0x1f/0x30 [ 708.112951] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 736.012985] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 736.016945] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 736.035740] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 736.039355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 736.042235] Workqueue: events netstamp_clear [ 736.043456] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 736.046386] RIP: 0010:smp_call_function_many+0x226/0x250 [ 736.048671] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 736.051957] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000003 [ 736.053666] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 736.055727] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 736.058486] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 736.062313] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 736.065861] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 736.070037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 736.072781] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 736.075196] Call Trace: [ 736.075836] ? __netif_receive_skb_core+0x3b/0xb10 [ 736.077283] ? cpumask_weight+0x20/0x20 [ 736.078901] ? __netif_receive_skb_core+0x3c/0xb10 [ 736.080158] on_each_cpu+0x2d/0x60 [ 736.080956] ? __netif_receive_skb_core+0x3b/0xb10 [ 736.082091] text_poke_bp+0x6a/0xf0 [ 736.082915] __jump_label_transform.isra.0+0x10b/0x120 [ 736.083986] arch_jump_label_transform+0x32/0x50 [ 736.084969] __jump_label_update+0x68/0x80 [ 736.085851] jump_label_update+0xae/0xc0 [ 736.086660] static_key_enable_cpuslocked+0x55/0x80 [ 736.088711] static_key_enable+0x1a/0x30 [ 736.090244] netstamp_clear+0x2d/0x40 [ 736.091912] process_one_work+0x1ea/0x410 [ 736.093869] worker_thread+0x32/0x410 [ 736.095754] kthread+0x11e/0x140 [ 736.098135] ? process_one_work+0x410/0x410 [ 736.100631] ? kthread_create_worker_on_cpu+0x70/0x70 [ 736.103184] ret_from_fork+0x1f/0x30 [ 736.105051] Code: c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 8b 4a 18 <83> e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 c7 e8 a2 [ 764.012173] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 764.015172] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 764.032723] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 764.035217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 764.037816] Workqueue: events netstamp_clear [ 764.038996] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 764.040161] RIP: 0010:smp_call_function_many+0x223/0x250 [ 764.041221] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 764.052155] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 764.054658] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 764.057725] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 764.059261] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 764.061426] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 764.064508] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 764.068263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 764.070575] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 764.073098] Call Trace: [ 764.074287] ? __netif_receive_skb_core+0x3b/0xb10 [ 764.075358] ? cpumask_weight+0x20/0x20 [ 764.076239] ? __netif_receive_skb_core+0x3c/0xb10 [ 764.077301] on_each_cpu+0x2d/0x60 [ 764.078111] ? __netif_receive_skb_core+0x3b/0xb10 [ 764.080694] text_poke_bp+0x6a/0xf0 [ 764.081796] __jump_label_transform.isra.0+0x10b/0x120 [ 764.083171] arch_jump_label_transform+0x32/0x50 [ 764.084185] __jump_label_update+0x68/0x80 [ 764.085138] jump_label_update+0xae/0xc0 [ 764.087133] static_key_enable_cpuslocked+0x55/0x80 [ 764.090178] static_key_enable+0x1a/0x30 [ 764.092295] netstamp_clear+0x2d/0x40 [ 764.094338] process_one_work+0x1ea/0x410 [ 764.096170] worker_thread+0x32/0x410 [ 764.097736] kthread+0x11e/0x140 [ 764.099160] ? process_one_work+0x410/0x410 [ 764.100041] ? kthread_create_worker_on_cpu+0x70/0x70 [ 764.102579] ret_from_fork+0x1f/0x30 [ 764.104511] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 792.011385] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 792.013788] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 792.025686] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 792.027775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 792.032459] Workqueue: events netstamp_clear [ 792.036938] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 792.043936] RIP: 0010:smp_call_function_many+0x223/0x250 [ 792.049409] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 792.052920] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 792.054375] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 792.055909] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 792.058515] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 792.060747] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 792.063879] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 792.066345] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 792.069169] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 792.074267] Call Trace: [ 792.075450] ? __netif_receive_skb_core+0x3b/0xb10 [ 792.076448] ? cpumask_weight+0x20/0x20 [ 792.078664] ? __netif_receive_skb_core+0x3c/0xb10 [ 792.081206] on_each_cpu+0x2d/0x60 [ 792.082287] ? __netif_receive_skb_core+0x3b/0xb10 [ 792.083645] text_poke_bp+0x6a/0xf0 [ 792.085767] __jump_label_transform.isra.0+0x10b/0x120 [ 792.089374] arch_jump_label_transform+0x32/0x50 [ 792.092549] __jump_label_update+0x68/0x80 [ 792.094601] jump_label_update+0xae/0xc0 [ 792.095556] static_key_enable_cpuslocked+0x55/0x80 [ 792.097782] static_key_enable+0x1a/0x30 [ 792.099568] netstamp_clear+0x2d/0x40 [ 792.101543] process_one_work+0x1ea/0x410 [ 792.104208] worker_thread+0x32/0x410 [ 792.106335] kthread+0x11e/0x140 [ 792.108383] ? process_one_work+0x410/0x410 [ 792.110549] ? kthread_create_worker_on_cpu+0x70/0x70 [ 792.113350] ret_from_fork+0x1f/0x30 [ 792.115318] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 820.010586] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 820.012948] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 820.021370] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 820.023182] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 820.024852] Workqueue: events netstamp_clear [ 820.025601] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 820.026626] RIP: 0010:smp_call_function_many+0x223/0x250 [ 820.027551] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 820.028935] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 820.030155] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 820.031371] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 820.032535] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 820.033674] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 820.034853] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 820.036365] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 820.037580] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 820.038827] Call Trace: [ 820.039357] ? __netif_receive_skb_core+0x3b/0xb10 [ 820.040157] ? cpumask_weight+0x20/0x20 [ 820.040816] ? __netif_receive_skb_core+0x3c/0xb10 [ 820.041604] on_each_cpu+0x2d/0x60 [ 820.042246] ? __netif_receive_skb_core+0x3b/0xb10 [ 820.043063] text_poke_bp+0x6a/0xf0 [ 820.043676] __jump_label_transform.isra.0+0x10b/0x120 [ 820.046206] arch_jump_label_transform+0x32/0x50 [ 820.047052] __jump_label_update+0x68/0x80 [ 820.047815] jump_label_update+0xae/0xc0 [ 820.048565] static_key_enable_cpuslocked+0x55/0x80 [ 820.049456] static_key_enable+0x1a/0x30 [ 820.050404] netstamp_clear+0x2d/0x40 [ 820.051160] process_one_work+0x1ea/0x410 [ 820.051976] worker_thread+0x32/0x410 [ 820.052864] kthread+0x11e/0x140 [ 820.053518] ? process_one_work+0x410/0x410 [ 820.054328] ? kthread_create_worker_on_cpu+0x70/0x70 [ 820.055321] ret_from_fork+0x1f/0x30 [ 820.056116] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 848.009777] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 848.012573] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 848.025417] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 848.027211] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 848.030877] Workqueue: events netstamp_clear [ 848.032608] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 848.034938] RIP: 0010:smp_call_function_many+0x223/0x250 [ 848.037032] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 848.040340] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 848.043463] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 848.046537] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 848.050214] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 848.053417] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 848.056245] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 848.058063] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 848.060067] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 848.061459] Call Trace: [ 848.062035] ? __netif_receive_skb_core+0x3b/0xb10 [ 848.063060] ? cpumask_weight+0x20/0x20 [ 848.064717] ? __netif_receive_skb_core+0x3c/0xb10 [ 848.066482] on_each_cpu+0x2d/0x60 [ 848.067900] ? __netif_receive_skb_core+0x3b/0xb10 [ 848.070073] text_poke_bp+0x6a/0xf0 [ 848.071750] __jump_label_transform.isra.0+0x10b/0x120 [ 848.073994] arch_jump_label_transform+0x32/0x50 [ 848.075854] __jump_label_update+0x68/0x80 [ 848.077492] jump_label_update+0xae/0xc0 [ 848.079073] static_key_enable_cpuslocked+0x55/0x80 [ 848.081170] static_key_enable+0x1a/0x30 [ 848.082777] netstamp_clear+0x2d/0x40 [ 848.084288] process_one_work+0x1ea/0x410 [ 848.085992] worker_thread+0x32/0x410 [ 848.088980] kthread+0x11e/0x140 [ 848.090462] ? process_one_work+0x410/0x410 [ 848.092342] ? kthread_create_worker_on_cpu+0x70/0x70 [ 848.094596] ret_from_fork+0x1f/0x30 [ 848.096297] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 876.008996] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 876.012240] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 876.032447] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 876.037443] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 876.041761] Workqueue: events netstamp_clear [ 876.043883] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 876.046951] RIP: 0010:smp_call_function_many+0x223/0x250 [ 876.049451] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 876.053606] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 876.057228] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 876.060680] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 876.064473] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 876.068386] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 876.071845] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 876.075534] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 876.078548] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 876.082265] Call Trace: [ 876.083799] ? __netif_receive_skb_core+0x3b/0xb10 [ 876.086514] ? cpumask_weight+0x20/0x20 [ 876.088546] ? __netif_receive_skb_core+0x3c/0xb10 [ 876.092171] on_each_cpu+0x2d/0x60 [ 876.094142] ? __netif_receive_skb_core+0x3b/0xb10 [ 876.096552] text_poke_bp+0x6a/0xf0 [ 876.099829] __jump_label_transform.isra.0+0x10b/0x120 [ 876.104973] arch_jump_label_transform+0x32/0x50 [ 876.109572] __jump_label_update+0x68/0x80 [ 876.113673] jump_label_update+0xae/0xc0 [ 876.117547] static_key_enable_cpuslocked+0x55/0x80 [ 876.119251] static_key_enable+0x1a/0x30 [ 876.120369] netstamp_clear+0x2d/0x40 [ 876.121617] process_one_work+0x1ea/0x410 [ 876.124979] worker_thread+0x32/0x410 [ 876.128880] kthread+0x11e/0x140 [ 876.133612] ? process_one_work+0x410/0x410 [ 876.136831] ? kthread_create_worker_on_cpu+0x70/0x70 [ 876.140786] ret_from_fork+0x1f/0x30 [ 876.144441] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 904.008211] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 904.011119] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 904.025229] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 904.028816] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 904.030985] Workqueue: events netstamp_clear [ 904.033122] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 904.036620] RIP: 0010:smp_call_function_many+0x226/0x250 [ 904.039149] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 904.042458] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000003 [ 904.045495] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 904.048538] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 904.051375] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 904.052799] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 904.054538] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 904.055994] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 904.057050] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 904.058274] Call Trace: [ 904.058783] ? __netif_receive_skb_core+0x3b/0xb10 [ 904.059727] ? cpumask_weight+0x20/0x20 [ 904.060446] ? __netif_receive_skb_core+0x3c/0xb10 [ 904.061282] on_each_cpu+0x2d/0x60 [ 904.061912] ? __netif_receive_skb_core+0x3b/0xb10 [ 904.062711] text_poke_bp+0x6a/0xf0 [ 904.063353] __jump_label_transform.isra.0+0x10b/0x120 [ 904.064213] arch_jump_label_transform+0x32/0x50 [ 904.065070] __jump_label_update+0x68/0x80 [ 904.065994] jump_label_update+0xae/0xc0 [ 904.066685] static_key_enable_cpuslocked+0x55/0x80 [ 904.067534] static_key_enable+0x1a/0x30 [ 904.068272] netstamp_clear+0x2d/0x40 [ 904.068962] process_one_work+0x1ea/0x410 [ 904.069700] worker_thread+0x32/0x410 [ 904.070366] kthread+0x11e/0x140 [ 904.070959] ? process_one_work+0x410/0x410 [ 904.071657] ? kthread_create_worker_on_cpu+0x70/0x70 [ 904.072501] ret_from_fork+0x1f/0x30 [ 904.073860] Code: c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 8b 4a 18 <83> e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 c7 e8 a2 [ 932.007413] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 932.013450] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 932.030234] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 932.036661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 932.041833] Workqueue: events netstamp_clear [ 932.044078] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 932.048347] RIP: 0010:smp_call_function_many+0x223/0x250 [ 932.051352] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 932.055188] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 932.059051] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 932.062766] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 932.065906] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 932.067970] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 932.069933] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 932.072020] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 932.073169] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 932.074524] Call Trace: [ 932.075149] ? __netif_receive_skb_core+0x3b/0xb10 [ 932.076147] ? cpumask_weight+0x20/0x20 [ 932.077030] ? __netif_receive_skb_core+0x3c/0xb10 [ 932.079440] on_each_cpu+0x2d/0x60 [ 932.080411] ? __netif_receive_skb_core+0x3b/0xb10 [ 932.081735] text_poke_bp+0x6a/0xf0 [ 932.082725] __jump_label_transform.isra.0+0x10b/0x120 [ 932.083859] arch_jump_label_transform+0x32/0x50 [ 932.085189] __jump_label_update+0x68/0x80 [ 932.086130] jump_label_update+0xae/0xc0 [ 932.086843] static_key_enable_cpuslocked+0x55/0x80 [ 932.087545] static_key_enable+0x1a/0x30 [ 932.088145] netstamp_clear+0x2d/0x40 [ 932.088761] process_one_work+0x1ea/0x410 [ 932.090141] worker_thread+0x32/0x410 [ 932.090929] kthread+0x11e/0x140 [ 932.091511] ? process_one_work+0x410/0x410 [ 932.092173] ? kthread_create_worker_on_cpu+0x70/0x70 [ 932.093912] ret_from_fork+0x1f/0x30 [ 932.096000] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 960.006597] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 960.009852] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 960.030154] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 960.032063] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 960.034912] Workqueue: events netstamp_clear [ 960.036574] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 960.039098] RIP: 0010:smp_call_function_many+0x226/0x250 [ 960.041381] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 960.044509] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000003 [ 960.048155] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 960.051956] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 960.055829] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 960.059786] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 960.063332] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 960.067660] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 960.070828] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 960.074445] Call Trace: [ 960.075230] ? __netif_receive_skb_core+0x3b/0xb10 [ 960.076310] ? cpumask_weight+0x20/0x20 [ 960.077882] ? __netif_receive_skb_core+0x3c/0xb10 [ 960.080006] on_each_cpu+0x2d/0x60 [ 960.080979] ? __netif_receive_skb_core+0x3b/0xb10 [ 960.081949] text_poke_bp+0x6a/0xf0 [ 960.082897] __jump_label_transform.isra.0+0x10b/0x120 [ 960.084566] arch_jump_label_transform+0x32/0x50 [ 960.085702] __jump_label_update+0x68/0x80 [ 960.086951] jump_label_update+0xae/0xc0 [ 960.087868] static_key_enable_cpuslocked+0x55/0x80 [ 960.089301] static_key_enable+0x1a/0x30 [ 960.090751] netstamp_clear+0x2d/0x40 [ 960.092833] process_one_work+0x1ea/0x410 [ 960.095215] worker_thread+0x32/0x410 [ 960.097315] kthread+0x11e/0x140 [ 960.099126] ? process_one_work+0x410/0x410 [ 960.101662] ? kthread_create_worker_on_cpu+0x70/0x70 [ 960.112567] ret_from_fork+0x1f/0x30 [ 960.114444] Code: c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 8b 4a 18 <83> e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 c7 e8 a2 [ 988.005803] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 988.007777] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 988.037908] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 988.043169] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 988.048652] Workqueue: events netstamp_clear [ 988.050819] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 988.053362] RIP: 0010:smp_call_function_many+0x223/0x250 [ 988.054390] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 988.061504] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 988.064777] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 988.067575] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 988.071241] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 988.074293] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 988.077444] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 988.079649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 988.080585] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 988.081995] Call Trace: [ 988.082618] ? __netif_receive_skb_core+0x3b/0xb10 [ 988.083581] ? cpumask_weight+0x20/0x20 [ 988.084374] ? __netif_receive_skb_core+0x3c/0xb10 [ 988.085428] on_each_cpu+0x2d/0x60 [ 988.086155] ? __netif_receive_skb_core+0x3b/0xb10 [ 988.087092] text_poke_bp+0x6a/0xf0 [ 988.087951] __jump_label_transform.isra.0+0x10b/0x120 [ 988.088896] arch_jump_label_transform+0x32/0x50 [ 988.089965] __jump_label_update+0x68/0x80 [ 988.090702] jump_label_update+0xae/0xc0 [ 988.091381] static_key_enable_cpuslocked+0x55/0x80 [ 988.092254] static_key_enable+0x1a/0x30 [ 988.092989] netstamp_clear+0x2d/0x40 [ 988.093754] process_one_work+0x1ea/0x410 [ 988.094585] worker_thread+0x32/0x410 [ 988.095481] kthread+0x11e/0x140 [ 988.096306] ? process_one_work+0x410/0x410 [ 988.097204] ? kthread_create_worker_on_cpu+0x70/0x70 [ 988.098280] ret_from_fork+0x1f/0x30 [ 988.099030] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 1016.004999] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 1016.006561] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1016.014565] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1016.016217] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1016.017834] Workqueue: events netstamp_clear [ 1016.019777] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 1016.020886] RIP: 0010:smp_call_function_many+0x223/0x250 [ 1016.021779] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 1016.023058] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 1016.024230] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 1016.025405] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 1016.026602] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 1016.027772] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 1016.028988] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 1016.030397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1016.031521] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 1016.032868] Call Trace: [ 1016.033457] ? __netif_receive_skb_core+0x3b/0xb10 [ 1016.034455] ? cpumask_weight+0x20/0x20 [ 1016.035266] ? __netif_receive_skb_core+0x3c/0xb10 [ 1016.036222] on_each_cpu+0x2d/0x60 [ 1016.037087] ? __netif_receive_skb_core+0x3b/0xb10 [ 1016.038276] text_poke_bp+0x6a/0xf0 [ 1016.040746] __jump_label_transform.isra.0+0x10b/0x120 [ 1016.041596] arch_jump_label_transform+0x32/0x50 [ 1016.042374] __jump_label_update+0x68/0x80 [ 1016.043111] jump_label_update+0xae/0xc0 [ 1016.043873] static_key_enable_cpuslocked+0x55/0x80 [ 1016.044725] static_key_enable+0x1a/0x30 [ 1016.045417] netstamp_clear+0x2d/0x40 [ 1016.046129] process_one_work+0x1ea/0x410 [ 1016.046854] worker_thread+0x32/0x410 [ 1016.047524] kthread+0x11e/0x140 [ 1016.048137] ? process_one_work+0x410/0x410 [ 1016.050656] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1016.051518] ret_from_fork+0x1f/0x30 [ 1016.052175] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 1044.004314] watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [kworker/0:242:1989] [ 1044.006805] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1044.015580] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1044.017860] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1044.019965] Workqueue: events netstamp_clear [ 1044.020873] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 1044.022197] RIP: 0010:smp_call_function_many+0x223/0x250 [ 1044.023375] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 1044.025147] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 1044.027396] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 1044.028867] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 1044.030293] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 1044.031379] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 1044.032674] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 1044.034242] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1044.035275] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 1044.037169] Call Trace: [ 1044.038616] ? __netif_receive_skb_core+0x3b/0xb10 [ 1044.041203] ? cpumask_weight+0x20/0x20 [ 1044.043465] ? __netif_receive_skb_core+0x3c/0xb10 [ 1044.047098] on_each_cpu+0x2d/0x60 [ 1044.050422] ? __netif_receive_skb_core+0x3b/0xb10 [ 1044.054646] text_poke_bp+0x6a/0xf0 [ 1044.056590] __jump_label_transform.isra.0+0x10b/0x120 [ 1044.058549] arch_jump_label_transform+0x32/0x50 [ 1044.059711] __jump_label_update+0x68/0x80 [ 1044.060642] jump_label_update+0xae/0xc0 [ 1044.061565] static_key_enable_cpuslocked+0x55/0x80 [ 1044.063134] static_key_enable+0x1a/0x30 [ 1044.063947] netstamp_clear+0x2d/0x40 [ 1044.064797] process_one_work+0x1ea/0x410 [ 1044.065606] worker_thread+0x32/0x410 [ 1044.066612] kthread+0x11e/0x140 [ 1044.067521] ? process_one_work+0x410/0x410 [ 1044.068418] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1044.069222] ret_from_fork+0x1f/0x30 [ 1044.070033] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 1072.003416] watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [kworker/0:242:1989] [ 1072.006977] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.025951] CPU: 0 PID: 1989 Comm: kworker/0:242 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.029617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.033561] Workqueue: events netstamp_clear [ 1072.035771] task: ffff8e3927430000 task.stack: ffffa8c7815d8000 [ 1072.039027] RIP: 0010:smp_call_function_many+0x223/0x250 [ 1072.041860] RSP: 0018:ffffa8c7815dbd00 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff11 [ 1072.045798] RAX: 0000000000000003 RBX: ffff8e393fc1ce00 RCX: 0000000000000001 [ 1072.048321] RDX: ffff8e393fda1e40 RSI: 0000000000000000 RDI: ffff8e393e01bd38 [ 1072.049782] RBP: ffffa8c7815dbd38 R08: fffffffffffffff8 R09: 000000000000000e [ 1072.052108] R10: fffff31540ea6140 R11: 0000000000000f48 R12: 0000000000000004 [ 1072.055650] R13: 000000000001cdc0 R14: ffffffff94a34430 R15: 0000000000000000 [ 1072.058596] FS: 0000000000000000(0000) GS:ffff8e393fc00000(0000) knlGS:0000000000000000 [ 1072.062233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.063603] CR2: 000055c7afcf2d00 CR3: 000000003d17f000 CR4: 00000000000006f0 [ 1072.064887] Call Trace: [ 1072.065552] ? __netif_receive_skb_core+0x3b/0xb10 [ 1072.066601] ? cpumask_weight+0x20/0x20 [ 1072.068500] ? __netif_receive_skb_core+0x3c/0xb10 [ 1072.070859] on_each_cpu+0x2d/0x60 [ 1072.072913] ? __netif_receive_skb_core+0x3b/0xb10 [ 1072.076163] text_poke_bp+0x6a/0xf0 [ 1072.078247] __jump_label_transform.isra.0+0x10b/0x120 [ 1072.079990] arch_jump_label_transform+0x32/0x50 [ 1072.082203] __jump_label_update+0x68/0x80 [ 1072.084583] jump_label_update+0xae/0xc0 [ 1072.086882] static_key_enable_cpuslocked+0x55/0x80 [ 1072.089729] static_key_enable+0x1a/0x30 [ 1072.091455] netstamp_clear+0x2d/0x40 [ 1072.093319] process_one_work+0x1ea/0x410 [ 1072.095127] worker_thread+0x32/0x410 [ 1072.096880] kthread+0x11e/0x140 [ 1072.098107] ? process_one_work+0x410/0x410 [ 1072.099737] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.102601] ret_from_fork+0x1f/0x30 [ 1072.104520] Code: 89 c7 e8 c1 c3 84 00 3b 05 9f 01 14 01 0f 83 62 fe ff ff 48 63 c8 48 8b 13 48 03 14 cd 00 64 7a 95 8b 4a 18 83 e1 01 74 0a f3 90 <8b> 4a 18 83 e1 01 75 f6 eb c7 48 c7 c2 20 b3 c5 95 4c 89 e6 89 [ 1072.125801] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e9 [ 1072.125809] INFO: rcu_sched self-detected stall on CPU [ 1072.125813] 3-...!: (1 GPs behind) idle=69e/140000000000001/0 softirq=43636/43643 fqs=0 [ 1072.125813] (t=223042 jiffies g=12433 c=12432 q=3248) [ 1072.125816] rcu_sched kthread starved for 223042 jiffies! g12433 c12432 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1 [ 1072.125818] rcu_sched I 0 8 2 0x80000000 [ 1072.125820] Call Trace: [ 1072.125827] __schedule+0x291/0x880 [ 1072.125829] schedule+0x2c/0x80 [ 1072.125831] schedule_timeout+0x15f/0x340 [ 1072.125834] ? __next_timer_interrupt+0xe0/0xe0 [ 1072.125837] rcu_gp_kthread+0x53a/0x960 [ 1072.125839] kthread+0x11e/0x140 [ 1072.125841] ? rcu_note_context_switch+0x150/0x150 [ 1072.125842] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.125844] ret_from_fork+0x1f/0x30 [ 1072.125852] NMI backtrace for cpu 3 [ 1072.125857] CPU: 3 PID: 5418 Comm: kworker/3:168 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.125858] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.125870] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.125871] Call Trace: [ 1072.125872] [ 1072.125875] dump_stack+0x63/0x8b [ 1072.125877] nmi_cpu_backtrace+0xca/0xd0 [ 1072.125879] ? lapic_can_unplug_cpu+0xb0/0xb0 [ 1072.125881] nmi_trigger_cpumask_backtrace+0xe6/0x120 [ 1072.125883] arch_trigger_cpumask_backtrace+0x19/0x20 [ 1072.125885] rcu_dump_cpu_stacks+0xa3/0xd6 [ 1072.125887] rcu_check_callbacks+0x6c0/0x8f0 [ 1072.125889] ? update_wall_time+0x471/0x6f0 [ 1072.125891] ? tick_sched_do_timer+0x50/0x50 [ 1072.125892] update_process_times+0x2f/0x60 [ 1072.125893] tick_sched_handle+0x26/0x70 [ 1072.125895] ? tick_sched_do_timer+0x3f/0x50 [ 1072.125896] tick_sched_timer+0x39/0x80 [ 1072.125898] __hrtimer_run_queues+0xdd/0x220 [ 1072.125900] hrtimer_interrupt+0xa0/0x1d0 [ 1072.125902] smp_apic_timer_interrupt+0x5b/0x110 [ 1072.125903] apic_timer_interrupt+0x93/0xa0 [ 1072.125915] [ 1072.125918] RIP: 0010:_raw_spin_unlock_irqrestore+0x15/0x20 [ 1072.125919] RSP: 0018:ffffa8c78581bd98 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff11 [ 1072.125920] RAX: 0000000000000297 RBX: ffff8e3929433120 RCX: ffff8e393518594c [ 1072.125921] RDX: 0000000000010000 RSI: 0000000000000297 RDI: 0000000000000297 [ 1072.125922] RBP: ffffa8c78581bd98 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.125922] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4800 [ 1072.125923] R13: ffff8e393992cae8 R14: ffff8e393fd9b6c0 R15: ffff8e393a421240 [ 1072.125926] mempool_free+0x5a/0x80 [ 1072.125940] bio_free+0x4e/0x60 [ 1072.125942] bio_put+0x23/0x30 [ 1072.125950] search_free+0x23/0x40 [bcache] [ 1072.125955] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.125960] closure_put+0x8b/0xc0 [bcache] [ 1072.125964] closure_sub+0x6f/0xc0 [bcache] [ 1072.125968] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.125971] process_one_work+0x1ea/0x410 [ 1072.125973] worker_thread+0x32/0x410 [ 1072.125974] kthread+0x11e/0x140 [ 1072.125976] ? process_one_work+0x410/0x410 [ 1072.125978] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.125979] ret_from_fork+0x1f/0x30 [ 1072.629963] IP: __kmalloc+0xc9/0x220 [ 1072.631491] PGD 0 P4D 0 [ 1072.632595] Oops: 0000 [#19] SMP [ 1072.633959] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.660369] CPU: 1 PID: 331 Comm: jbd2/vda1-8 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.671567] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.681372] task: ffff8e39358c8000 task.stack: ffffa8c78044c000 [ 1072.685436] RIP: 0010:__kmalloc+0xc9/0x220 [ 1072.687362] RSP: 0018:ffffa8c78044f9c8 EFLAGS: 00010202 [ 1072.689550] RAX: 0000000000000000 RBX: 00000000000000e9 RCX: 0000000000008413 [ 1072.694056] RDX: 0000000000008412 RSI: 0000000000000000 RDI: 00000000000210c0 [ 1072.696982] RBP: ffffa8c78044f9f8 R08: ffff8e3929433120 R09: ffff8e393e003680 [ 1072.699952] R10: 0000000000000040 R11: ffff8e39294331c9 R12: ffff8e3929433120 [ 1072.705913] R13: 0000000001408040 R14: 0000000000000060 R15: ffff8e393e003680 [ 1072.708779] FS: 0000000000000000(0000) GS:ffff8e393fc80000(0000) knlGS:0000000000000000 [ 1072.717141] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.719948] CR2: 00000000000000e9 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.729722] Call Trace: [ 1072.733200] ? ext4_find_extent+0x243/0x2b0 [ 1072.735192] ext4_find_extent+0x243/0x2b0 [ 1072.736782] ext4_ext_map_blocks+0x77/0xec0 [ 1072.739182] ? ext4_es_insert_extent+0xd6/0x1a0 [ 1072.747249] ? __check_block_validity.constprop.79+0x2d/0x70 [ 1072.749727] ext4_map_blocks+0x3fd/0x5d0 [ 1072.751417] _ext4_get_block+0x75/0x100 [ 1072.753032] ext4_get_block+0x16/0x20 [ 1072.754577] generic_block_bmap+0x4c/0x70 [ 1072.756188] ext4_bmap+0x75/0xe0 [ 1072.757512] bmap+0x1c/0x30 [ 1072.758665] jbd2_journal_bmap+0x2b/0x80 [ 1072.760226] jbd2_journal_next_log_block+0x6b/0x80 [ 1072.762179] jbd2_journal_commit_transaction+0x7c1/0x1700 [ 1072.766610] kjournald2+0xc8/0x270 [ 1072.768176] ? kjournald2+0xc8/0x270 [ 1072.770047] ? wait_woken+0x80/0x80 [ 1072.771824] kthread+0x11e/0x140 [ 1072.773484] ? commit_timeout+0x20/0x20 [ 1072.790889] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.794190] ret_from_fork+0x1f/0x30 [ 1072.795788] Code: 4d 01 e0 4d 8b 18 4d 33 99 40 01 00 00 4c 89 c3 4c 31 db 65 48 0f c7 0f 0f 94 c0 84 c0 74 ac 4d 39 d8 74 14 49 63 41 20 48 01 c3 <48> 33 1b 49 33 99 40 01 00 00 0f 18 0b 41 f7 c5 00 80 00 00 0f [ 1072.805002] RIP: __kmalloc+0xc9/0x220 RSP: ffffa8c78044f9c8 [ 1072.807664] CR2: 00000000000000e9 [ 1072.809107] ---[ end trace 75a0650975a75af9 ]--- [ 1072.809115] BUG: unable to handle kernel NULL pointer dereference at (null) [ 1072.809121] IP: __wake_up_common+0x40/0x120 [ 1072.809123] PGD 0 P4D 0 [ 1072.809126] Oops: 0000 [#20] SMP [ 1072.809128] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.809183] CPU: 3 PID: 5418 Comm: kworker/3:168 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.809183] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.809196] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.809197] task: ffff8e393a2c95c0 task.stack: ffffa8c785818000 [ 1072.809201] RIP: 0010:__wake_up_common+0x40/0x120 [ 1072.809202] RSP: 0018:ffffa8c78581bcd8 EFLAGS: 00010082 [ 1072.809203] RAX: ffffffffffffffe8 RBX: ffff8e3929433150 RCX: 0000000000000000 [ 1072.809204] RDX: 0000000000000001 RSI: 0000000000000003 RDI: 0000000000000000 [ 1072.809205] RBP: ffffa8c78581bd18 R08: 0000000000000000 R09: ffffa8c78581bd30 [ 1072.809205] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: 0000000000000001 [ 1072.809206] R13: ffff8e3929433158 R14: 0000000000000000 R15: 0000000000000000 [ 1072.809208] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.809208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.809209] CR2: 0000000000000000 CR3: 000000003daff000 CR4: 00000000000006e0 [ 1072.809213] Call Trace: [ 1072.809217] __wake_up_common_lock+0x80/0xc0 [ 1072.809219] __wake_up+0x13/0x20 [ 1072.809221] mempool_free+0x6f/0x80 [ 1072.809224] bio_free+0x4e/0x60 [ 1072.809226] bio_put+0x23/0x30 [ 1072.809231] search_free+0x23/0x40 [bcache] [ 1072.809237] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.809242] closure_put+0x8b/0xc0 [bcache] [ 1072.809247] closure_sub+0x6f/0xc0 [bcache] [ 1072.809253] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.809255] process_one_work+0x1ea/0x410 [ 1072.809257] worker_thread+0x32/0x410 [ 1072.809259] kthread+0x11e/0x140 [ 1072.809261] ? process_one_work+0x410/0x410 [ 1072.809262] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.809265] ret_from_fork+0x1f/0x30 [ 1072.809266] Code: 18 4d 85 c9 74 0a 41 f6 01 04 0f 85 98 00 00 00 48 8b 47 08 48 83 e8 18 4c 8d 6f 08 48 8d 78 18 89 55 c4 49 39 fd 74 58 89 75 d4 <48> 8b 70 18 4d 89 cc 4c 89 45 c8 89 4d d0 31 db 4c 8d 76 e8 44 [ 1072.809290] RIP: __wake_up_common+0x40/0x120 RSP: ffffa8c78581bcd8 [ 1072.809291] CR2: 0000000000000000 [ 1072.809293] ---[ end trace 75a0650975a75afa ]--- [ 1072.811576] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.811582] IP: mempool_free+0x17/0x80 [ 1072.811583] PGD 0 P4D 0 [ 1072.811585] Oops: 0000 [#21] SMP [ 1072.811586] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.811619] CPU: 3 PID: 5293 Comm: kworker/3:79 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.811632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.811641] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.811642] task: ffff8e393cb50000 task.stack: ffffa8c785430000 [ 1072.811644] RIP: 0010:mempool_free+0x17/0x80 [ 1072.811645] RSP: 0018:ffffa8c785433da8 EFLAGS: 00010282 [ 1072.811646] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540e3e820 [ 1072.811647] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e3929ba4e10 [ 1072.811648] RBP: ffffa8c785433db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.811648] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4e10 [ 1072.811649] R13: ffff8e393992c3e0 R14: ffff8e393fd9b6c0 R15: ffff8e393cb6d6c0 [ 1072.811651] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.811651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.811652] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.811655] Call Trace: [ 1072.811663] bio_free+0x4e/0x60 [ 1072.811665] bio_put+0x23/0x30 [ 1072.811669] search_free+0x23/0x40 [bcache] [ 1072.811674] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.811678] closure_put+0x8b/0xc0 [bcache] [ 1072.811683] closure_sub+0x6f/0xc0 [bcache] [ 1072.811687] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.811696] process_one_work+0x1ea/0x410 [ 1072.811698] worker_thread+0x32/0x410 [ 1072.811699] kthread+0x11e/0x140 [ 1072.811701] ? process_one_work+0x410/0x410 [ 1072.811703] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.811705] ret_from_fork+0x1f/0x30 [ 1072.811706] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.811731] RIP: mempool_free+0x17/0x80 RSP: ffffa8c785433da8 [ 1072.811732] CR2: 000000002ac21004 [ 1072.811733] ---[ end trace 75a0650975a75afb ]--- [ 1072.811744] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.811746] IP: mempool_free+0x17/0x80 [ 1072.811747] PGD 0 P4D 0 [ 1072.811749] Oops: 0000 [#22] SMP [ 1072.811749] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.811765] CPU: 3 PID: 5255 Comm: kworker/3:42 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.811766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.811770] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.811771] task: ffff8e3927778000 task.stack: ffffa8c785300000 [ 1072.811772] RIP: 0010:mempool_free+0x17/0x80 [ 1072.811773] RSP: 0018:ffffa8c785303da8 EFLAGS: 00010282 [ 1072.811774] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540a434a0 [ 1072.811775] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e3929ba4c10 [ 1072.811776] RBP: ffffa8c785303db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.811776] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4c10 [ 1072.811777] R13: ffff8e393992e708 R14: ffff8e393fd9b6c0 R15: ffff8e39375e9540 [ 1072.811778] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.811779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.811780] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.811780] Call Trace: [ 1072.811782] bio_free+0x4e/0x60 [ 1072.811784] bio_put+0x23/0x30 [ 1072.811788] search_free+0x23/0x40 [bcache] [ 1072.811791] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.811796] closure_put+0x8b/0xc0 [bcache] [ 1072.811800] closure_sub+0x6f/0xc0 [bcache] [ 1072.811804] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.811807] process_one_work+0x1ea/0x410 [ 1072.811809] worker_thread+0x32/0x410 [ 1072.811811] kthread+0x11e/0x140 [ 1072.811813] ? process_one_work+0x410/0x410 [ 1072.811814] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.811815] ret_from_fork+0x1f/0x30 [ 1072.811816] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.811841] RIP: mempool_free+0x17/0x80 RSP: ffffa8c785303da8 [ 1072.811841] CR2: 000000002ac21004 [ 1072.811842] ---[ end trace 75a0650975a75afc ]--- [ 1072.811866] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.811869] IP: mempool_free+0x17/0x80 [ 1072.811870] PGD 0 P4D 0 [ 1072.811875] Oops: 0000 [#23] SMP [ 1072.811875] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.811896] CPU: 3 PID: 5889 Comm: kworker/3:188 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.811897] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.811902] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.811903] task: ffff8e3926f65700 task.stack: ffffa8c785fb0000 [ 1072.811904] RIP: 0010:mempool_free+0x17/0x80 [ 1072.811905] RSP: 0018:ffffa8c785fb3da8 EFLAGS: 00010282 [ 1072.811906] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540a5c8a0 [ 1072.811907] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e3929ba4d10 [ 1072.811908] RBP: ffffa8c785fb3db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.811908] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4d10 [ 1072.811909] R13: ffff8e393992d448 R14: ffff8e393fd9b6c0 R15: ffff8e393bd0f000 [ 1072.811910] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.811911] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.811912] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.811914] Call Trace: [ 1072.811917] bio_free+0x4e/0x60 [ 1072.811918] bio_put+0x23/0x30 [ 1072.811922] search_free+0x23/0x40 [bcache] [ 1072.811926] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.811931] closure_put+0x8b/0xc0 [bcache] [ 1072.811935] closure_sub+0x6f/0xc0 [bcache] [ 1072.811939] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.811941] process_one_work+0x1ea/0x410 [ 1072.811943] worker_thread+0x32/0x410 [ 1072.811945] kthread+0x11e/0x140 [ 1072.811947] ? process_one_work+0x410/0x410 [ 1072.811948] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.811950] ret_from_fork+0x1f/0x30 [ 1072.811951] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.811977] RIP: mempool_free+0x17/0x80 RSP: ffffa8c785fb3da8 [ 1072.811977] CR2: 000000002ac21004 [ 1072.811978] ---[ end trace 75a0650975a75afd ]--- [ 1072.812010] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.812012] IP: mempool_free+0x17/0x80 [ 1072.812013] PGD 0 P4D 0 [ 1072.812015] Oops: 0000 [#24] SMP [ 1072.812015] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.812034] CPU: 3 PID: 5276 Comm: kworker/3:63 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.812034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.812039] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.812040] task: ffff8e3926a28000 task.stack: ffffa8c7853a8000 [ 1072.812041] RIP: 0010:mempool_free+0x17/0x80 [ 1072.812042] RSP: 0018:ffffa8c7853abda8 EFLAGS: 00010282 [ 1072.812043] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540a1db20 [ 1072.812044] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e3929ba4310 [ 1072.812044] RBP: ffffa8c7853abdb8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.812045] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4310 [ 1072.812046] R13: ffff8e393992f068 R14: ffff8e393fd9b6c0 R15: ffff8e3936e809c0 [ 1072.812047] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.812048] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.812049] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.812051] Call Trace: [ 1072.812054] bio_free+0x4e/0x60 [ 1072.812055] bio_put+0x23/0x30 [ 1072.812060] search_free+0x23/0x40 [bcache] [ 1072.812064] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.812068] closure_put+0x8b/0xc0 [bcache] [ 1072.812072] closure_sub+0x6f/0xc0 [bcache] [ 1072.812076] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.812078] process_one_work+0x1ea/0x410 [ 1072.812080] worker_thread+0x32/0x410 [ 1072.812082] kthread+0x11e/0x140 [ 1072.812084] ? process_one_work+0x410/0x410 [ 1072.812085] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.812087] ret_from_fork+0x1f/0x30 [ 1072.812088] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.812112] RIP: mempool_free+0x17/0x80 RSP: ffffa8c7853abda8 [ 1072.812113] CR2: 000000002ac21004 [ 1072.812114] ---[ end trace 75a0650975a75afe ]--- [ 1072.812129] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.812131] IP: mempool_free+0x17/0x80 [ 1072.812132] PGD 0 P4D 0 [ 1072.812133] Oops: 0000 [#25] SMP [ 1072.812134] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.812150] CPU: 3 PID: 5381 Comm: kworker/3:131 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.812151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.812155] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.812156] task: ffff8e393c3ed700 task.stack: ffffa8c7856f0000 [ 1072.812158] RIP: 0010:mempool_free+0x17/0x80 [ 1072.812158] RSP: 0018:ffffa8c7856f3da8 EFLAGS: 00010282 [ 1072.812159] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540e3e8a0 [ 1072.812160] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e3929ba4f10 [ 1072.812161] RBP: ffffa8c7856f3db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.812162] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4f10 [ 1072.812162] R13: ffff8e393992dda8 R14: ffff8e393fd9b6c0 R15: ffff8e3927683780 [ 1072.812163] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.812164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.812165] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.812166] Call Trace: [ 1072.812168] bio_free+0x4e/0x60 [ 1072.812169] bio_put+0x23/0x30 [ 1072.812173] search_free+0x23/0x40 [bcache] [ 1072.812178] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.812182] closure_put+0x8b/0xc0 [bcache] [ 1072.812186] closure_sub+0x6f/0xc0 [bcache] [ 1072.812190] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.812192] process_one_work+0x1ea/0x410 [ 1072.812194] worker_thread+0x32/0x410 [ 1072.812196] kthread+0x11e/0x140 [ 1072.812198] ? process_one_work+0x410/0x410 [ 1072.812199] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.812201] ret_from_fork+0x1f/0x30 [ 1072.812202] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.812227] RIP: mempool_free+0x17/0x80 RSP: ffffa8c7856f3da8 [ 1072.812228] CR2: 000000002ac21004 [ 1072.812228] ---[ end trace 75a0650975a75aff ]--- [ 1072.812240] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.812242] IP: mempool_free+0x17/0x80 [ 1072.812243] PGD 0 P4D 0 [ 1072.812245] Oops: 0000 [#26] SMP [ 1072.812245] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.812261] CPU: 3 PID: 5391 Comm: kworker/3:141 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.812262] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.812266] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.812267] task: ffff8e3928fa15c0 task.stack: ffffa8c785740000 [ 1072.812268] RIP: 0010:mempool_free+0x17/0x80 [ 1072.812269] RSP: 0018:ffffa8c785743da8 EFLAGS: 00010282 [ 1072.812270] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff315409f2b20 [ 1072.812271] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e3929ba4a10 [ 1072.812272] RBP: ffffa8c785743db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.812272] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4a10 [ 1072.812273] R13: ffff8e393992ebb8 R14: ffff8e393fd9b6c0 R15: ffff8e3939ba8480 [ 1072.812274] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.812275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.812275] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.812276] Call Trace: [ 1072.812278] bio_free+0x4e/0x60 [ 1072.812279] bio_put+0x23/0x30 [ 1072.812283] search_free+0x23/0x40 [bcache] [ 1072.812287] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.812291] closure_put+0x8b/0xc0 [bcache] [ 1072.812295] closure_sub+0x6f/0xc0 [bcache] [ 1072.812299] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.812302] process_one_work+0x1ea/0x410 [ 1072.812304] worker_thread+0x32/0x410 [ 1072.812305] kthread+0x11e/0x140 [ 1072.812307] ? process_one_work+0x410/0x410 [ 1072.812308] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.812310] ret_from_fork+0x1f/0x30 [ 1072.812311] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.812336] RIP: mempool_free+0x17/0x80 RSP: ffffa8c785743da8 [ 1072.812336] CR2: 000000002ac21004 [ 1072.812337] ---[ end trace 75a0650975a75b00 ]--- [ 1072.812348] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.812350] IP: mempool_free+0x17/0x80 [ 1072.812351] PGD 0 P4D 0 [ 1072.812352] Oops: 0000 [#27] SMP [ 1072.812353] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.812370] CPU: 3 PID: 5305 Comm: kworker/3:86 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.812370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.812374] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.812375] task: ffff8e393a24d700 task.stack: ffffa8c785490000 [ 1072.812377] RIP: 0010:mempool_free+0x17/0x80 [ 1072.812377] RSP: 0018:ffffa8c785493da8 EFLAGS: 00010282 [ 1072.812378] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540988220 [ 1072.812379] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e3929ba4210 [ 1072.812379] RBP: ffffa8c785493db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.812380] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e3929ba4210 [ 1072.812381] R13: ffff8e393992db50 R14: ffff8e393fd9b6c0 R15: ffff8e392980fb40 [ 1072.812382] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.812382] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.812383] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.812384] Call Trace: [ 1072.812386] bio_free+0x4e/0x60 [ 1072.812387] bio_put+0x23/0x30 [ 1072.812391] search_free+0x23/0x40 [bcache] [ 1072.812395] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.812399] closure_put+0x8b/0xc0 [bcache] [ 1072.812403] closure_sub+0x6f/0xc0 [bcache] [ 1072.812407] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.812409] process_one_work+0x1ea/0x410 [ 1072.812411] worker_thread+0x32/0x410 [ 1072.812413] kthread+0x11e/0x140 [ 1072.812415] ? process_one_work+0x410/0x410 [ 1072.812416] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.812418] ret_from_fork+0x1f/0x30 [ 1072.812419] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.812443] RIP: mempool_free+0x17/0x80 RSP: ffffa8c785493da8 [ 1072.812444] CR2: 000000002ac21004 [ 1072.812445] ---[ end trace 75a0650975a75b01 ]--- [ 1072.812462] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.812464] IP: mempool_free+0x17/0x80 [ 1072.812464] PGD 0 P4D 0 [ 1072.812466] Oops: 0000 [#28] SMP [ 1072.812467] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.812483] CPU: 3 PID: 5407 Comm: kworker/3:157 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.812483] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.812488] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.812489] task: ffff8e39371995c0 task.stack: ffffa8c7857c0000 [ 1072.812490] RIP: 0010:mempool_free+0x17/0x80 [ 1072.812490] RSP: 0018:ffffa8c7857c3da8 EFLAGS: 00010282 [ 1072.812491] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540a3fd20 [ 1072.812492] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e392765ae10 [ 1072.812493] RBP: ffffa8c7857c3db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.812494] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e392765ae10 [ 1072.812494] R13: ffff8e393992f9c8 R14: ffff8e393fd9b6c0 R15: ffff8e3939ba8180 [ 1072.812495] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.812496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.812497] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.812497] Call Trace: [ 1072.812499] bio_free+0x4e/0x60 [ 1072.812501] bio_put+0x23/0x30 [ 1072.812505] search_free+0x23/0x40 [bcache] [ 1072.812509] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.812513] closure_put+0x8b/0xc0 [bcache] [ 1072.812517] closure_sub+0x6f/0xc0 [bcache] [ 1072.812521] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.812523] process_one_work+0x1ea/0x410 [ 1072.812525] worker_thread+0x32/0x410 [ 1072.812527] kthread+0x11e/0x140 [ 1072.812528] ? process_one_work+0x410/0x410 [ 1072.812530] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.812531] ret_from_fork+0x1f/0x30 [ 1072.812532] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.812557] RIP: mempool_free+0x17/0x80 RSP: ffffa8c7857c3da8 [ 1072.812558] CR2: 000000002ac21004 [ 1072.812559] ---[ end trace 75a0650975a75b02 ]--- [ 1072.812569] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.812571] IP: mempool_free+0x17/0x80 [ 1072.812572] PGD 0 P4D 0 [ 1072.812573] Oops: 0000 [#29] SMP [ 1072.812574] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.812590] CPU: 3 PID: 5279 Comm: kworker/3:66 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.812591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.812595] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.812596] task: ffff8e3926a35700 task.stack: ffffa8c7853c0000 [ 1072.812597] RIP: 0010:mempool_free+0x17/0x80 [ 1072.812598] RSP: 0018:ffffa8c7853c3da8 EFLAGS: 00010282 [ 1072.812599] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540a6be20 [ 1072.812600] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e392765a810 [ 1072.812601] RBP: ffffa8c7853c3db8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.812601] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e392765a810 [ 1072.812602] R13: ffff8e393992f2c0 R14: ffff8e393fd9b6c0 R15: ffff8e393cb6d540 [ 1072.812603] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.812604] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.812605] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.812606] Call Trace: [ 1072.812608] bio_free+0x4e/0x60 [ 1072.812609] bio_put+0x23/0x30 [ 1072.812613] search_free+0x23/0x40 [bcache] [ 1072.812617] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.812621] closure_put+0x8b/0xc0 [bcache] [ 1072.812625] closure_sub+0x6f/0xc0 [bcache] [ 1072.812629] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.812630] process_one_work+0x1ea/0x410 [ 1072.812632] worker_thread+0x32/0x410 [ 1072.812634] kthread+0x11e/0x140 [ 1072.812636] ? process_one_work+0x410/0x410 [ 1072.812637] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.812639] ret_from_fork+0x1f/0x30 [ 1072.812640] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.812666] RIP: mempool_free+0x17/0x80 RSP: ffffa8c7853c3da8 [ 1072.812666] CR2: 000000002ac21004 [ 1072.812667] ---[ end trace 75a0650975a75b03 ]--- [ 1072.812685] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.812687] IP: mempool_free+0x17/0x80 [ 1072.812688] PGD 0 P4D 0 [ 1072.812689] Oops: 0000 [#30] SMP [ 1072.812690] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.812706] CPU: 3 PID: 5409 Comm: kworker/3:159 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.812707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.812711] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.812712] task: ffff8e393719ab80 task.stack: ffffa8c7857d0000 [ 1072.812714] RIP: 0010:mempool_free+0x17/0x80 [ 1072.812714] RSP: 0018:ffffa8c7857d3da8 EFLAGS: 00010282 [ 1072.812715] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: 0000000000020902 [ 1072.812716] RDX: 0000000000020901 RSI: 000000002ac21000 RDI: ffff8e392765a410 [ 1072.812717] RBP: ffffa8c7857d3db8 R08: 0000000000021160 R09: ffffffff94e3c5eb [ 1072.812718] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e392765a410 [ 1072.812719] R13: ffff8e393992c188 R14: ffff8e393fd9b6c0 R15: ffff8e393a421e40 [ 1072.812720] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.812720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.812721] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.812722] Call Trace: [ 1072.812724] bio_free+0x4e/0x60 [ 1072.817621] bio_put+0x23/0x30 [ 1072.817632] search_free+0x23/0x40 [bcache] [ 1072.817637] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.817642] closure_put+0x8b/0xc0 [bcache] [ 1072.817649] closure_sub+0x6f/0xc0 [bcache] [ 1072.817653] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.817658] process_one_work+0x1ea/0x410 [ 1072.817661] worker_thread+0x32/0x410 [ 1072.817662] kthread+0x11e/0x140 [ 1072.817666] ? process_one_work+0x410/0x410 [ 1072.817668] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.817670] ret_from_fork+0x1f/0x30 [ 1072.817671] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.817701] RIP: mempool_free+0x17/0x80 RSP: ffffa8c7857d3da8 [ 1072.817702] CR2: 000000002ac21004 [ 1072.817704] ---[ end trace 75a0650975a75b04 ]--- [ 1072.817785] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.817788] IP: mempool_free+0x17/0x80 [ 1072.817789] PGD 0 P4D 0 [ 1072.817793] Oops: 0000 [#31] SMP [ 1072.817795] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.817844] CPU: 3 PID: 5262 Comm: kworker/3:49 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.817845] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.817854] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.817856] task: ffff8e39277cab80 task.stack: ffffa8c785338000 [ 1072.817857] RIP: 0010:mempool_free+0x17/0x80 [ 1072.817860] RSP: 0018:ffffa8c78533bda8 EFLAGS: 00010282 [ 1072.817861] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: 0000000000020903 [ 1072.817861] RDX: 0000000000020902 RSI: 000000002ac21000 RDI: ffff8e392765a110 [ 1072.817862] RBP: ffffa8c78533bdb8 R08: 0000000000021160 R09: ffffffff94e3c5eb [ 1072.817863] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e392765a110 [ 1072.817863] R13: ffff8e393992f770 R14: ffff8e393fd9b6c0 R15: ffff8e3936e80f00 [ 1072.817865] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.817867] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.817868] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.817871] Call Trace: [ 1072.817874] bio_free+0x4e/0x60 [ 1072.817878] bio_put+0x23/0x30 [ 1072.817882] search_free+0x23/0x40 [bcache] [ 1072.817888] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.817894] closure_put+0x8b/0xc0 [bcache] [ 1072.817898] closure_sub+0x6f/0xc0 [bcache] [ 1072.817904] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.817909] process_one_work+0x1ea/0x410 [ 1072.817911] worker_thread+0x32/0x410 [ 1072.817912] kthread+0x11e/0x140 [ 1072.817914] ? process_one_work+0x410/0x410 [ 1072.817917] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.817919] ret_from_fork+0x1f/0x30 [ 1072.817920] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.817947] RIP: mempool_free+0x17/0x80 RSP: ffffa8c78533bda8 [ 1072.817949] CR2: 000000002ac21004 [ 1072.817950] ---[ end trace 75a0650975a75b05 ]--- [ 1072.817994] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.817999] IP: mempool_free+0x17/0x80 [ 1072.818000] PGD 0 P4D 0 [ 1072.818002] Oops: 0000 [#32] SMP [ 1072.818002] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.818032] CPU: 3 PID: 5258 Comm: kworker/3:45 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.818033] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.818040] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.818041] task: ffff8e39277bd700 task.stack: ffffa8c785318000 [ 1072.818042] RIP: 0010:mempool_free+0x17/0x80 [ 1072.818043] RSP: 0018:ffffa8c78531bda8 EFLAGS: 00010282 [ 1072.818044] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540e6eb60 [ 1072.818045] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e393b2d0510 [ 1072.818047] RBP: ffffa8c78531bdb8 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.818047] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e393b2d0510 [ 1072.818048] R13: ffff8e393992e4b0 R14: ffff8e393fd9b6c0 R15: ffff8e39375e9d80 [ 1072.818049] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.818050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.818051] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.818056] Call Trace: [ 1072.818058] bio_free+0x4e/0x60 [ 1072.818059] bio_put+0x23/0x30 [ 1072.818068] search_free+0x23/0x40 [bcache] [ 1072.818073] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.818079] closure_put+0x8b/0xc0 [bcache] [ 1072.818083] closure_sub+0x6f/0xc0 [bcache] [ 1072.818088] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.818091] process_one_work+0x1ea/0x410 [ 1072.818094] worker_thread+0x32/0x410 [ 1072.818096] kthread+0x11e/0x140 [ 1072.818098] ? process_one_work+0x410/0x410 [ 1072.818099] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.818102] ret_from_fork+0x1f/0x30 [ 1072.818104] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.818131] RIP: mempool_free+0x17/0x80 RSP: ffffa8c78531bda8 [ 1072.818131] CR2: 000000002ac21004 [ 1072.818132] ---[ end trace 75a0650975a75b06 ]--- [ 1072.818176] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.818181] IP: mempool_free+0x17/0x80 [ 1072.818181] PGD 0 P4D 0 [ 1072.818183] Oops: 0000 [#33] SMP [ 1072.818184] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.818205] CPU: 3 PID: 5388 Comm: kworker/3:138 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.818205] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.818210] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.818213] task: ffff8e3928fa2b80 task.stack: ffffa8c785728000 [ 1072.818215] RIP: 0010:mempool_free+0x17/0x80 [ 1072.818216] RSP: 0018:ffffa8c78572bda8 EFLAGS: 00010282 [ 1072.818217] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: 0000000100100009 [ 1072.818217] RDX: 000000010010000a RSI: 000000002ac21000 RDI: ffff8e3938e47c10 [ 1072.818218] RBP: ffffa8c78572bdb8 R08: ffff8e393ace1000 R09: 0000000100100009 [ 1072.818220] R10: ffffa8c78572bd90 R11: ffff8e393ffb4000 R12: ffff8e3938e47c10 [ 1072.818221] R13: ffff8e393992e960 R14: ffff8e393fd9b6c0 R15: ffff8e3927683480 [ 1072.818222] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.818223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.818223] CR2: 000000002ac21004 CR3: 0000000005409000 CR4: 00000000000006e0 [ 1072.818225] Call Trace: [ 1072.818230] bio_free+0x4e/0x60 [ 1072.818231] bio_put+0x23/0x30 [ 1072.818237] search_free+0x23/0x40 [bcache] [ 1072.818241] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.818248] closure_put+0x8b/0xc0 [bcache] [ 1072.818254] closure_sub+0x6f/0xc0 [bcache] [ 1072.818260] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.818263] process_one_work+0x1ea/0x410 [ 1072.818265] worker_thread+0x32/0x410 [ 1072.818268] kthread+0x11e/0x140 [ 1072.818270] ? process_one_work+0x410/0x410 [ 1072.818271] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.818273] ret_from_fork+0x1f/0x30 [ 1072.818274] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.818303] RIP: mempool_free+0x17/0x80 RSP: ffffa8c78572bda8 [ 1072.818304] CR2: 000000002ac21004 [ 1072.818305] ---[ end trace 75a0650975a75b07 ]--- [ 1072.827680] BUG: unable to handle kernel paging request at 000000002ac21004 [ 1072.827687] IP: mempool_free+0x17/0x80 [ 1072.827688] PGD 0 P4D 0 [ 1072.827699] Oops: 0000 [#34] SMP [ 1072.827700] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1072.827747] CPU: 3 PID: 1460 Comm: bcache Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1072.827748] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1072.827757] Workqueue: bcache bch_data_insert_keys [bcache] [ 1072.827758] task: ffff8e393d2f8000 task.stack: ffffa8c7809d8000 [ 1072.827761] RIP: 0010:mempool_free+0x17/0x80 [ 1072.827762] RSP: 0000:ffffa8c7809dbd88 EFLAGS: 00010282 [ 1072.827763] RAX: 0000000000000010 RBX: 000000002ac21000 RCX: fffff31540e1af60 [ 1072.827764] RDX: 0000000000000000 RSI: 000000002ac21000 RDI: ffff8e393b2d0410 [ 1072.827765] RBP: ffffa8c7809dbd98 R08: 0000000000000010 R09: ffff8e393ffb4680 [ 1072.827765] R10: 0000000000000000 R11: ffff8e393ffb4000 R12: ffff8e393b2d0410 [ 1072.827766] R13: ffff8e393992d6a0 R14: ffff8e393fd9b6c0 R15: ffff8e393b3cab40 [ 1072.827768] FS: 0000000000000000(0000) GS:ffff8e393fd80000(0000) knlGS:0000000000000000 [ 1072.827769] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1072.827769] CR2: 000000002ac21004 CR3: 0000000028908000 CR4: 00000000000006e0 [ 1072.827773] Call Trace: [ 1072.827777] bio_free+0x4e/0x60 [ 1072.827779] bio_put+0x23/0x30 [ 1072.827785] search_free+0x23/0x40 [bcache] [ 1072.827789] cached_dev_cache_miss_done+0x38/0x80 [bcache] [ 1072.827794] closure_put+0x8b/0xc0 [bcache] [ 1072.827798] closure_sub+0x6f/0xc0 [bcache] [ 1072.827802] bch_data_insert_keys+0xd8/0x130 [bcache] [ 1072.827805] process_one_work+0x1ea/0x410 [ 1072.827808] ? set_cpus_allowed_ptr+0x10/0x20 [ 1072.827810] rescuer_thread+0x213/0x370 [ 1072.827812] kthread+0x11e/0x140 [ 1072.827814] ? worker_thread+0x410/0x410 [ 1072.827815] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1072.827824] ? do_syscall_64+0x10d/0x120 [ 1072.827826] ret_from_fork+0x1f/0x30 [ 1072.827827] Code: 0f 1f 40 00 0f 1f 44 00 00 55 48 89 e5 0f 0b 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 74 24 55 48 89 e5 41 54 53 49 89 fc 48 89 f3 <8b> 46 04 39 46 08 7c 11 48 8b 73 18 4c 89 e7 ff 53 28 5b 41 5c [ 1072.827853] RIP: mempool_free+0x17/0x80 RSP: ffffa8c7809dbd88 [ 1072.827854] CR2: 000000002ac21004 [ 1072.827855] ---[ end trace 75a0650975a75b08 ]--- [ 1074.694980] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e9 [ 1074.722969] IP: kmem_cache_alloc_node_trace+0xd7/0x1d0 [ 1074.724952] PGD 0 P4D 0 [ 1074.726025] Oops: 0000 [#35] SMP [ 1074.733953] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1074.758827] CPU: 1 PID: 2 Comm: kthreadd Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1074.761100] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1074.764676] task: ffff8e393e30c140 task.stack: ffffa8c7801a0000 [ 1074.766996] RIP: 0010:kmem_cache_alloc_node_trace+0xd7/0x1d0 [ 1074.769246] RSP: 0018:ffffa8c7801a3bc8 EFLAGS: 00010202 [ 1074.771247] RAX: 00000000000000e9 RBX: 00000000000000e9 RCX: 0000000000008414 [ 1074.773947] RDX: 0000000000008413 RSI: 00000000014000c0 RDI: 00000000000210c0 [ 1074.776866] RBP: ffffa8c7801a3c00 R08: ffff8e393fca10c0 R09: ffff8e393e003680 [ 1074.779675] R10: ffffa8c7801a3c18 R11: 0000000000004000 R12: 00000000014000c0 [ 1074.782432] R13: 0000000000000000 R14: ffff8e393e003680 R15: 00000000000000e9 [ 1074.785192] FS: 0000000000000000(0000) GS:ffff8e393fc80000(0000) knlGS:0000000000000000 [ 1074.788328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1074.790559] CR2: 00000000000000e9 CR3: 000000003be3e000 CR4: 00000000000006e0 [ 1074.793490] Call Trace: [ 1074.795083] ? alloc_vmap_area+0x7a/0x360 [ 1074.797163] alloc_vmap_area+0x7a/0x360 [ 1074.798699] __get_vm_area_node+0xb7/0x140 [ 1074.800361] __vmalloc_node_range+0x69/0x270 [ 1074.802075] ? _do_fork+0xcf/0x3a0 [ 1074.803437] copy_process.part.34+0x5e9/0x1aa0 [ 1074.805166] ? _do_fork+0xcf/0x3a0 [ 1074.806535] ? set_next_entity+0xac/0x200 [ 1074.808110] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1074.810084] ? __switch_to+0x1f2/0x4f0 [ 1074.811649] _do_fork+0xcf/0x3a0 [ 1074.813012] kernel_thread+0x29/0x30 [ 1074.814555] kthreadd+0x2a7/0x2f0 [ 1074.816534] ? kthread_create_on_cpu+0xa0/0xa0 [ 1074.818534] ret_from_fork+0x1f/0x30 [ 1074.820149] Code: 74 5f 49 63 51 1c 31 f6 4c 89 ff 4c 89 4d d0 e8 30 99 73 00 4c 8b 4d d0 eb 47 49 63 59 20 49 8b 39 48 8d 4a 01 4c 89 f8 4c 01 fb <48> 33 1b 49 33 99 40 01 00 00 65 48 0f c7 0f 0f 94 c0 84 c0 0f [ 1074.826369] RIP: kmem_cache_alloc_node_trace+0xd7/0x1d0 RSP: ffffa8c7801a3bc8 [ 1074.828386] CR2: 00000000000000e9 [ 1074.829488] ---[ end trace 75a0650975a75b09 ]--- [ 1074.867558] bcache: cache_set_free() Cache set 6a51009b-22fb-4edd-8d5b-345096733bd5 unregistered [ 1074.903945] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e9 [ 1074.906389] IP: __kmalloc+0xa1/0x220 [ 1074.907450] PGD 0 P4D 0 [ 1074.908188] Oops: 0000 [#36] SMP [ 1074.909024] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1074.919230] CPU: 1 PID: 427 Comm: systemd-udevd Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1074.922079] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1074.923966] task: ffff8e393589c140 task.stack: ffffa8c78045c000 [ 1074.925367] RIP: 0010:__kmalloc+0xa1/0x220 [ 1074.926517] RSP: 0018:ffffa8c78045fc60 EFLAGS: 00010202 [ 1074.927860] RAX: 00000000000000e9 RBX: 0000000000000000 RCX: 0000000000008414 [ 1074.929423] RDX: 0000000000008413 RSI: 0000000000000000 RDI: 00000000000210c0 [ 1074.931619] RBP: ffffa8c78045fc90 R08: 00000000000000e9 R09: ffff8e393e003680 [ 1074.934436] R10: 0000000000000008 R11: 0000000000000e40 R12: 00000000000000e9 [ 1074.935788] R13: 00000000014080c0 R14: 0000000000000052 R15: ffff8e393e003680 [ 1074.937729] FS: 00007f7c9de938c0(0000) GS:ffff8e393fc80000(0000) knlGS:0000000000000000 [ 1074.940036] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1074.941676] CR2: 00000000000000e9 CR3: 000000003a93e000 CR4: 00000000000006e0 [ 1074.943594] Call Trace: [ 1074.944124] ? kobject_get_path+0x5f/0xf0 [ 1074.944800] kobject_get_path+0x5f/0xf0 [ 1074.945412] kobject_uevent_env+0xce/0x6f0 [ 1074.946042] kobject_synth_uevent+0x207/0x3a0 [ 1074.946743] uevent_store+0x21/0x40 [ 1074.947288] dev_attr_store+0x18/0x30 [ 1074.947911] sysfs_kf_write+0x37/0x40 [ 1074.948583] kernfs_fop_write+0x11c/0x1a0 [ 1074.949517] __vfs_write+0x37/0x170 [ 1074.950431] ? common_file_perm+0x50/0x140 [ 1074.952116] ? apparmor_file_permission+0x1a/0x20 [ 1074.954532] ? security_file_permission+0x3b/0xc0 [ 1074.957175] ? _cond_resched+0x19/0x40 [ 1074.958240] vfs_write+0xb1/0x1a0 [ 1074.960093] SyS_write+0x55/0xc0 [ 1074.960894] do_syscall_64+0x61/0x120 [ 1074.961653] entry_SYSCALL64_slow_path+0x25/0x25 [ 1074.962678] RIP: 0033:0x7f7c9d99a154 [ 1074.963464] RSP: 002b:00007ffd6c2ae4c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 1074.964805] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7c9d99a154 [ 1074.966366] RDX: 0000000000000007 RSI: 000055efd1d8c080 RDI: 000000000000000e [ 1074.968176] RBP: 000055efd1d8c080 R08: 000000000000000a R09: 0000000000000000 [ 1074.970035] R10: 000000000000000a R11: 0000000000000246 R12: 000055efd1d78430 [ 1074.971913] R13: 0000000000000007 R14: 00007f7c9dc722a0 R15: 00007f7c9dc71760 [ 1074.973566] Code: 8c 3c 6b 49 83 78 10 00 4d 8b 20 0f 84 17 01 00 00 4d 85 e4 0f 84 0e 01 00 00 4d 63 41 20 49 8b 39 48 8d 4a 01 4c 89 e0 4d 01 e0 <4d> 8b 18 4d 33 99 40 01 00 00 4c 89 c3 4c 31 db 65 48 0f c7 0f [ 1074.977971] RIP: __kmalloc+0xa1/0x220 RSP: ffffa8c78045fc60 [ 1074.979345] CR2: 00000000000000e9 [ 1074.980488] ---[ end trace 75a0650975a75b0a ]--- [ 1165.244138] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e9 [ 1165.252029] IP: __kmalloc+0xa1/0x220 [ 1165.256042] PGD 0 P4D 0 [ 1165.258238] Oops: 0000 [#37] SMP [ 1165.265741] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1165.274272] CPU: 1 PID: 4304 Comm: kworker/1:60 Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1165.276608] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1165.280667] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func [ 1165.288686] task: ffff8e3929c795c0 task.stack: ffffa8c783f80000 [ 1165.292290] RIP: 0010:__kmalloc+0xa1/0x220 [ 1165.294175] RSP: 0018:ffffa8c783f83cb8 EFLAGS: 00010202 [ 1165.295327] RAX: 00000000000000e9 RBX: 0000000000000000 RCX: 0000000000008414 [ 1165.296837] RDX: 0000000000008413 RSI: 0000000000000000 RDI: 00000000000210c0 [ 1165.298571] RBP: ffffa8c783f83ce8 R08: 00000000000000e9 R09: ffff8e393e003680 [ 1165.300208] R10: 0000000000000000 R11: 0000000000000003 R12: 00000000000000e9 [ 1165.302075] R13: 00000000014080c0 R14: 0000000000000054 R15: ffff8e393e003680 [ 1165.303476] FS: 0000000000000000(0000) GS:ffff8e393fc80000(0000) knlGS:0000000000000000 [ 1165.305525] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1165.306926] CR2: 00000000000000e9 CR3: 000000003b360000 CR4: 00000000000006e0 [ 1165.308605] Call Trace: [ 1165.309273] ? cache_random_seq_create+0x66/0x120 [ 1165.310502] cache_random_seq_create+0x66/0x120 [ 1165.311458] init_cache_random_seq+0x3a/0x90 [ 1165.312349] __kmem_cache_create+0x10c/0x5a0 [ 1165.313250] ? kvasprintf+0x7f/0xd0 [ 1165.314008] ? _cond_resched+0x19/0x40 [ 1165.321036] ? kmem_cache_alloc+0x156/0x1b0 [ 1165.322103] create_cache+0xc8/0x1c0 [ 1165.323006] memcg_create_kmem_cache+0xf1/0x120 [ 1165.324006] memcg_kmem_cache_create_func+0x20/0x60 [ 1165.325148] process_one_work+0x1ea/0x410 [ 1165.326102] worker_thread+0x32/0x410 [ 1165.326958] kthread+0x11e/0x140 [ 1165.327733] ? process_one_work+0x410/0x410 [ 1165.328783] ? kthread_create_worker_on_cpu+0x70/0x70 [ 1165.330245] ret_from_fork+0x1f/0x30 [ 1165.331249] Code: 8c 3c 6b 49 83 78 10 00 4d 8b 20 0f 84 17 01 00 00 4d 85 e4 0f 84 0e 01 00 00 4d 63 41 20 49 8b 39 48 8d 4a 01 4c 89 e0 4d 01 e0 <4d> 8b 18 4d 33 99 40 01 00 00 4c 89 c3 4c 31 db 65 48 0f c7 0f [ 1165.334985] RIP: __kmalloc+0xa1/0x220 RSP: ffffa8c783f83cb8 [ 1165.336098] CR2: 00000000000000e9 [ 1165.336858] ---[ end trace 75a0650975a75b0b ]--- [ 1343.193738] systemd[1]: systemd-journald.service: State 'stop-sigabrt' timed out. Terminating. [ 1433.442904] systemd[1]: systemd-journald.service: State 'stop-sigterm' timed out. Killing. [ 1433.444620] systemd[1]: systemd-journald.service: Killing process 404 (systemd-journal) with signal SIGKILL. [ 1523.692188] systemd[1]: systemd-journald.service: Processes still around after SIGKILL. Ignoring. [ 1610.446310] systemd[1]: Starting Message of the Day... [ 1610.471201] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e9 [ 1610.473236] IP: __kmalloc+0xa1/0x220 [ 1610.474178] PGD 0 P4D 0 [ 1610.474842] Oops: 0000 [#38] SMP [ 1610.475603] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [ 1610.483486] CPU: 1 PID: 17096 Comm: 50-motd-news Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [ 1610.485271] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [ 1610.486588] task: ffff8e39373515c0 task.stack: ffffa8c78061c000 [ 1610.487369] RIP: 0010:__kmalloc+0xa1/0x220 [ 1610.487948] RSP: 0018:ffffa8c78061f840 EFLAGS: 00010202 [ 1610.489035] RAX: 00000000000000e9 RBX: 0000000000000000 RCX: 0000000000008414 [ 1610.489943] RDX: 0000000000008413 RSI: 0000000000000000 RDI: 00000000000210c0 [ 1610.490848] RBP: ffffa8c78061f870 R08: 00000000000000e9 R09: ffff8e393e003680 [ 1610.492048] R10: fffff31540aeb780 R11: 0000000000000004 R12: 00000000000000e9 [ 1610.493536] R13: 0000000001408040 R14: 0000000000000060 R15: ffff8e393e003680 [ 1610.494672] FS: 00007f3b6ac0e540(0000) GS:ffff8e393fc80000(0000) knlGS:0000000000000000 [ 1610.496562] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1610.497939] CR2: 00000000000000e9 CR3: 0000000038443000 CR4: 00000000000006e0 [ 1610.499673] Call Trace: [ 1610.500258] ? ext4_find_extent+0x243/0x2b0 [ 1610.501183] ext4_find_extent+0x243/0x2b0 [ 1610.502213] ext4_ext_map_blocks+0x77/0xec0 [ 1610.503185] ? page_cache_tree_insert+0x8c/0xe0 [ 1610.504102] ext4_map_blocks+0x3fd/0x5d0 [ 1610.505186] ext4_mpage_readpages+0x4d2/0x9c0 [ 1610.506320] ? alloc_pages_current+0x6a/0xe0 [ 1610.507447] ext4_readpages+0x33/0x40 [ 1610.508288] __do_page_cache_readahead+0x1c6/0x2b0 [ 1610.509545] ondemand_readahead+0x11a/0x2a0 [ 1610.510858] ? find_get_entry+0x1e/0x110 [ 1610.511821] ? ondemand_readahead+0x11a/0x2a0 [ 1610.512999] page_cache_sync_readahead+0x2e/0x50 [ 1610.514399] generic_file_read_iter+0x7e9/0xbe0 [ 1610.515758] ext4_file_read_iter+0x56/0x100 [ 1610.516574] __vfs_read+0xee/0x160 [ 1610.517302] vfs_read+0x8e/0x130 [ 1610.517956] kernel_read+0x31/0x50 [ 1610.518633] prepare_binprm+0xef/0x1d0 [ 1610.519482] do_execveat_common.isra.35+0x594/0x800 [ 1610.520499] SyS_execve+0x31/0x40 [ 1610.521222] do_syscall_64+0x61/0x120 [ 1610.521761] entry_SYSCALL64_slow_path+0x25/0x25 [ 1610.522687] RIP: 0033:0x7f3b6a6e1e37 [ 1610.523401] RSP: 002b:00007ffd93513628 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 1610.524811] RAX: ffffffffffffffda RBX: 000056465b581ee8 RCX: 00007f3b6a6e1e37 [ 1610.526091] RDX: 000056465b581e90 RSI: 000056465b581df0 RDI: 000056465b581ee8 [ 1610.527618] RBP: 000056465b581df0 R08: fefefefefefefeff R09: ffffff0000000000 [ 1610.529256] R10: 000056465b580010 R11: 0000000000000246 R12: 00005646598fef59 [ 1610.531008] R13: 000056465b581e90 R14: 00007ffd93513630 R15: 00007ffd93513f55 [ 1610.532254] Code: 8c 3c 6b 49 83 78 10 00 4d 8b 20 0f 84 17 01 00 00 4d 85 e4 0f 84 0e 01 00 00 4d 63 41 20 49 8b 39 48 8d 4a 01 4c 89 e0 4d 01 e0 <4d> 8b 18 4d 33 99 40 01 00 00 4c 89 c3 4c 31 db 65 48 0f c7 0f [ 1610.536340] RIP: __kmalloc+0xa1/0x220 RSP: ffffa8c78061f840 [ 1610.537603] CR2: 00000000000000e9 [ 1610.538547] ---[ end trace 75a0650975a75b0c ]--- [ 1610.541796] systemd[1]: Started Message of the Day. [ 1613.943132] systemd[1]: systemd-journald.service: State 'stop-final-sigterm' timed out. Killing. [ 1613.945307] systemd[1]: systemd-journald.service: Killing process 404 (systemd-journal) with signal SIGKILL. [11237.305822] BUG: unable to handle kernel NULL pointer dereference at 00000000000000e9 [11237.308310] IP: kmem_cache_alloc_node_trace+0xd7/0x1d0 [11237.309376] PGD 0 P4D 0 [11237.309886] Oops: 0000 [#39] SMP [11237.310595] Modules linked in: bcache nls_utf8 isofs nls_iso8859_1 ppdev joydev kvm_intel kvm irqbypass input_leds parport_pc serio_raw parport mac_hid sch_fq_codel ib_iser rdma_cm iw_cm ib_cm ib_core iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi virtio_rng ip_tables x_tables autofs4 btrfs zstd_compress raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear psmouse virtio_blk virtio_net pata_acpi virtio_scsi i2c_piix4 floppy [11237.353970] CPU: 1 PID: 954 Comm: cron Tainted: G D L 4.15.0-041500rc1-generic #201808142126 [11237.358925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Ubuntu-1.8.2-1ubuntu1 04/01/2014 [11237.364232] task: ffff8e3939dcd700 task.stack: ffffa8c7808ec000 [11237.371182] RIP: 0010:kmem_cache_alloc_node_trace+0xd7/0x1d0 [11237.384750] RSP: 0018:ffffa8c7808efc50 EFLAGS: 00010202 [11237.388005] RAX: 00000000000000e9 RBX: 00000000000000e9 RCX: 0000000000008414 [11237.391781] RDX: 0000000000008413 RSI: 00000000014000c0 RDI: 00000000000210c0 [11237.399894] RBP: ffffa8c7808efc88 R08: ffff8e393fca10c0 R09: ffff8e393e003680 [11237.416264] R10: 0000000000000000 R11: 0000000000004000 R12: 00000000014000c0 [11237.425991] R13: 00000000ffffffff R14: ffff8e393e003680 R15: 00000000000000e9 [11237.437984] FS: 00007f8d9c255840(0000) GS:ffff8e393fc80000(0000) knlGS:0000000000000000 [11237.447605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [11237.451463] CR2: 00000000000000e9 CR3: 000000003bfcd000 CR4: 00000000000006e0 [11237.459885] Call Trace: [11237.482877] ? alloc_vmap_area+0x7a/0x360 [11237.495231] alloc_vmap_area+0x7a/0x360 [11237.499218] __get_vm_area_node+0xb7/0x140 [11237.502474] __vmalloc_node_range+0x69/0x270 [11237.518574] ? _do_fork+0xcf/0x3a0 [11237.521701] copy_process.part.34+0x5e9/0x1aa0 [11237.524619] ? _do_fork+0xcf/0x3a0 [11237.528658] ? _copy_to_user+0x26/0x30 [11237.531667] ? cp_new_stat+0x152/0x180 [11237.534909] _do_fork+0xcf/0x3a0 [11237.547328] SyS_clone+0x19/0x20 [11237.555230] do_syscall_64+0x61/0x120 [11237.559519] entry_SYSCALL64_slow_path+0x25/0x25 [11237.565997] RIP: 0033:0x7f8d9b8f8b1c [11237.568942] RSP: 002b:00007fff3adf24a0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [11237.589856] RAX: ffffffffffffffda RBX: 00007fff3adf24a0 RCX: 00007f8d9b8f8b1c [11237.597985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [11237.603064] RBP: 00007fff3adf2530 R08: 00007f8d9c255840 R09: 0000000000000008 [11237.624603] R10: 00007f8d9c255b10 R11: 0000000000000246 R12: 0000000000000000 [11237.633051] R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000000 [11237.639291] Code: 74 5f 49 63 51 1c 31 f6 4c 89 ff 4c 89 4d d0 e8 30 99 73 00 4c 8b 4d d0 eb 47 49 63 59 20 49 8b 39 48 8d 4a 01 4c 89 f8 4c 01 fb <48> 33 1b 49 33 99 40 01 00 00 65 48 0f c7 0f 0f 94 c0 84 c0 0f [11237.660964] RIP: kmem_cache_alloc_node_trace+0xd7/0x1d0 RSP: ffffa8c7808efc50 [11237.666379] CR2: 00000000000000e9 [11237.667907] ---[ end trace 75a0650975a75b0d ]---