Ubuntu 20.04.5 LTS ubuntu ttyS0 [ 81.923484] sysrq: Trigger a crash [ 81.923892] Kernel panic - not syncing: sysrq triggered crash [ 81.924428] CPU: 0 PID: 1095 Comm: bash Kdump: loaded Not tainted 5.15.0-56-generic #62~20.04.1-Ubuntu [ 81.925279] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 81.926045] Call Trace: [ 81.926275] [ 81.926479] dump_stack_lvl+0x4a/0x63 [ 81.926829] dump_stack+0x10/0x16 [ 81.927136] panic+0x149/0x321 [ 81.927422] sysrq_handle_crash+0x1a/0x20 [ 81.927791] __handle_sysrq.cold+0xb4/0x18e [ 81.928182] write_sysrq_trigger+0x28/0x40 [ 81.928572] proc_reg_write+0x6a/0xa0 [ 81.928920] vfs_write+0xb9/0x270 [ 81.929251] ksys_write+0x67/0xf0 [ 81.929526] __x64_sys_write+0x1a/0x20 [ 81.929696] do_syscall_64+0x5c/0xc0 [ 81.929862] ? exit_to_user_mode_prepare+0x3d/0x1c0 [ 81.930092] ? syscall_exit_to_user_mode+0x27/0x50 [ 81.930318] ? __x64_sys_newfstat+0x16/0x20 [ 81.930514] ? do_syscall_64+0x69/0xc0 [ 81.930690] ? __x64_sys_close+0x12/0x50 [ 81.930881] ? do_syscall_64+0x69/0xc0 [ 81.931062] ? do_syscall_64+0x69/0xc0 [ 81.931242] ? syscall_exit_to_user_mode+0x27/0x50 [ 81.931461] ? do_syscall_64+0x69/0xc0 [ 81.931641] ? exc_page_fault+0x89/0x170 [ 81.931831] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 81.932076] RIP: 0033:0x7fa4d6bed077 [ 81.932249] Code: 64 89 02 48 c7 c0 ff ff ff ff eb bb 0f 1f 80 00 00 00 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24 [ 81.933110] RSP: 002b:00007ffe9ac6cea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 81.933473] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa4d6bed077 [ 81.933805] RDX: 0000000000000002 RSI: 000055aac5910860 RDI: 0000000000000001 [ 81.934136] RBP: 000055aac5910860 R08: 000000000000000a R09: 0000000000000001 [ 81.934465] R10: 000055aac55e8017 R11: 0000000000000246 R12: 0000000000000002 [ 81.934801] R13: 00007fa4d6ccc6a0 R14: 00007fa4d6cc84a0 R15: 00007fa4d6cc78a0 [ 81.935129] [ 0.000000] Linux version 5.15.0-56-generic (buildd@lcy02-amd64-102) (gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0, GNU ld (GNU Binutils for Ubuntu) 2.34) #62~20.04.1-Ubuntu SMP Tue Nov 22 21:24:20 UTC 2022 (Ubuntu 5.15.0-56.62~20.04.1-generic 5.15.64) [ 0.000000] Command line: elfcorehdr=0xaf000000 BOOT_IMAGE=/boot/vmlinuz-5.15.0-56-generic root=UUID=9384d772-100f-4dd2-9037-07481a13f3ca ro console=tty1 console=ttyS0 reset_devices systemd.unit=kdump-tools-dump.service nr_cpus=1 irqpoll nousb [ 0.000000] KERNEL supported cpus: [ 0.000000] Intel GenuineIntel [ 0.000000] AMD AuthenticAMD [ 0.000000] Hygon HygonGenuine [ 0.000000] Centaur CentaurHauls [ 0.000000] zhaoxin Shanghai [ 0.000000] x86/fpu: x87 FPU will use FXSAVE [ 0.000000] signal: max sigframe size: 1440 [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000000fff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] BIOS-e820: [mem 0x0000000000800000-0x0000000000807fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x0000000000810000-0x00000000008fffff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000af001000-0x00000000baffffff] usable [ 0.000000] BIOS-e820: [mem 0x00000000be8d5000-0x00000000be8e0fff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000be8e1000-0x00000000be8f8fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000be9ed000-0x00000000beb1afff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bebf9000-0x00000000bec01fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bef9d000-0x00000000bef9dfff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bfb9b000-0x00000000bfbf2fff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bfbf3000-0x00000000bfbfafff] ACPI data [ 0.000000] BIOS-e820: [mem 0x00000000bfbfb000-0x00000000bfbfefff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000bff50000-0x00000000bff6ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000bff70000-0x00000000bfffffff] ACPI NVS [ 0.000000] BIOS-e820: [mem 0x00000000ffe00000-0x00000000ffffffff] reserved [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] extended physical RAM map: [ 0.000000] reserve setup_data: [mem 0x0000000000000000-0x0000000000000fff] reserved [ 0.000000] reserve setup_data: [mem 0x0000000000001000-0x000000000009ffff] usable [ 0.000000] reserve setup_data: [mem 0x0000000000800000-0x0000000000807fff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x0000000000810000-0x00000000008fffff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x00000000af001000-0x00000000baff92cf] usable [ 0.000000] reserve setup_data: [mem 0x00000000baff92d0-0x00000000baff933f] usable [ 0.000000] reserve setup_data: [mem 0x00000000baff9340-0x00000000baffffff] usable [ 0.000000] reserve setup_data: [mem 0x00000000be8d5000-0x00000000be8e0fff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x00000000be8e1000-0x00000000be8f8fff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000be9ed000-0x00000000beb1afff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000bebf9000-0x00000000bec01fff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000bef9d000-0x00000000bef9dfff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000bfb9b000-0x00000000bfbf2fff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000bfbf3000-0x00000000bfbfafff] ACPI data [ 0.000000] reserve setup_data: [mem 0x00000000bfbfb000-0x00000000bfbfefff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x00000000bff50000-0x00000000bff6ffff] reserved [ 0.000000] reserve setup_data: [mem 0x00000000bff70000-0x00000000bfffffff] ACPI NVS [ 0.000000] reserve setup_data: [mem 0x00000000ffe00000-0x00000000ffffffff] reserved [ 0.000000] efi: EFI v2.70 by EDK II [ 0.000000] efi: SMBIOS=0xbfbcd000 ACPI=0xbfbfa000 ACPI 2.0=0xbfbfa014 MEMATTR=0xbef97018 MOKvar=0xbef9d000 RNG=0xbfbcea98 [ 0.000000] efi: seeding entropy pool [ 0.000000] random: crng init done [ 0.000000] secureboot: Secure boot enabled [ 0.000000] Kernel is locked down from EFI Secure Boot mode; see man kernel_lockdown.7 [ 0.000000] SMBIOS 2.8 present. [ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 0.000000] Hypervisor detected: KVM [ 0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000000] kvm-clock: cpu 0, msr ba001001, primary cpu clock [ 0.000000] kvm-clock: using sched offset of 387484444807 cycles [ 0.000001] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.000003] tsc: Detected 3400.000 MHz processor [ 0.000062] last_pfn = 0xbb000 max_arch_pfn = 0x400000000 [ 0.000086] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.000092] x2apic: enabled by BIOS, switching to x2apic ops [ 0.002960] secureboot: Secure boot enabled [ 0.002961] RAMDISK: [mem 0xb3aa8000-0xb75fffff] [ 0.002965] ACPI: Early table checksum verification disabled [ 0.002967] ACPI: RSDP 0x00000000BFBFA014 000024 (v02 BOCHS ) [ 0.002970] ACPI: XSDT 0x00000000BFBF90E8 000044 (v01 BOCHS BXPCFACP 00000001 01000013) [ 0.002973] ACPI: FACP 0x00000000BFBF6000 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00000001) [ 0.002976] ACPI: DSDT 0x00000000BFBF7000 00145D (v01 BOCHS BXPCDSDT 00000001 BXPC 00000001) [ 0.002979] ACPI: FACS 0x00000000BFBFD000 000040 [ 0.002981] ACPI: APIC 0x00000000BFBF5000 000080 (v01 BOCHS BXPCAPIC 00000001 BXPC 00000001) [ 0.002983] ACPI: HPET 0x00000000BFBF4000 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00000001) [ 0.002984] ACPI: BGRT 0x00000000BFBF3000 000038 (v01 INTEL EDK2 00000002 01000013) [ 0.002986] ACPI: Reserving FACP table memory at [mem 0xbfbf6000-0xbfbf6073] [ 0.002987] ACPI: Reserving DSDT table memory at [mem 0xbfbf7000-0xbfbf845c] [ 0.002988] ACPI: Reserving FACS table memory at [mem 0xbfbfd000-0xbfbfd03f] [ 0.002989] ACPI: Reserving APIC table memory at [mem 0xbfbf5000-0xbfbf507f] [ 0.002990] ACPI: Reserving HPET table memory at [mem 0xbfbf4000-0xbfbf4037] [ 0.002990] ACPI: Reserving BGRT table memory at [mem 0xbfbf3000-0xbfbf3037] [ 0.003000] Setting APIC routing to cluster x2apic. [ 0.003139] No NUMA configuration found [ 0.003139] Faking a node at [mem 0x0000000000000000-0x00000000baffffff] [ 0.003145] NODE_DATA(0) allocated [mem 0xbafcf0c0-0xbaff90bf] [ 0.003160] Zone ranges: [ 0.003160] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.003162] DMA32 [mem 0x0000000001000000-0x00000000baffffff] [ 0.003163] Normal empty [ 0.003163] Device empty [ 0.003164] Movable zone start for each node [ 0.003166] Early memory node ranges [ 0.003167] node 0: [mem 0x0000000000001000-0x000000000009ffff] [ 0.003168] node 0: [mem 0x00000000af001000-0x00000000baffffff] [ 0.003169] Initmem setup node 0 [mem 0x0000000000001000-0x00000000baffffff] [ 0.003173] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.003759] On node 0, zone DMA32: 61281 pages in unavailable ranges [ 0.003899] On node 0, zone DMA32: 20480 pages in unavailable ranges [ 0.004023] ACPI: PM-Timer IO Port: 0xb008 [ 0.004027] APIC: NR_CPUS/possible_cpus limit of 1 reached. Processor 1/0x1 ignored. [ 0.004029] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.004044] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.004046] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.004047] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.004048] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.004049] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.004049] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.004051] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.004052] ACPI: HPET id: 0x8086a201 base: 0xfed00000 [ 0.004063] smpboot: 2 Processors exceeds NR_CPUS limit of 1 [ 0.004064] smpboot: Allowing 1 CPUs, 0 hotplug CPUs [ 0.004077] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.004079] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x007fffff] [ 0.004080] PM: hibernation: Registered nosave memory: [mem 0x00800000-0x00807fff] [ 0.004080] PM: hibernation: Registered nosave memory: [mem 0x00808000-0x0080ffff] [ 0.004081] PM: hibernation: Registered nosave memory: [mem 0x00810000-0x008fffff] [ 0.004082] PM: hibernation: Registered nosave memory: [mem 0x00900000-0xaf000fff] [ 0.004083] PM: hibernation: Registered nosave memory: [mem 0xbaff9000-0xbaff9fff] [ 0.004084] PM: hibernation: Registered nosave memory: [mem 0xbaff9000-0xbaff9fff] [ 0.004085] [mem 0x00900000-0xaf000fff] available for PCI devices [ 0.004086] Booting paravirtualized kernel on KVM [ 0.004087] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645519600211568 ns [ 0.004093] setup_percpu: NR_CPUS:8192 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1 [ 0.004183] percpu: Embedded 60 pages/cpu s208896 r8192 d28672 u2097152 [ 0.004204] kvm-guest: stealtime: cpu 0, msr b3832080 [ 0.004205] kvm-guest: PV spinlocks disabled, no host support [ 0.004207] Built 1 zonelists, mobility grouping on. Total pages: 48539 [ 0.004208] Policy zone: DMA32 [ 0.004209] Kernel command line: elfcorehdr=0xaf000000 BOOT_IMAGE=/boot/vmlinuz-5.15.0-56-generic root=UUID=9384d772-100f-4dd2-9037-07481a13f3ca ro console=tty1 console=ttyS0 reset_devices systemd.unit=kdump-tools-dump.service nr_cpus=1 irqpoll nousb [ 0.004278] Misrouted IRQ fixup and polling support enabled [ 0.004278] This may significantly impact system performance [ 0.004289] Unknown kernel command line parameters "nousb BOOT_IMAGE=/boot/vmlinuz-5.15.0-56-generic", will be passed to user space. [ 0.004301] Dentry cache hash table entries: 32768 (order: 6, 262144 bytes, linear) [ 0.004308] Inode-cache hash table entries: 16384 (order: 5, 131072 bytes, linear) [ 0.004318] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.004552] Memory: 81412K/197240K available (16393K kernel code, 4373K rwdata, 10784K rodata, 3228K init, 6580K bss, 115568K reserved, 0K cma-reserved) [ 0.004605] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.004611] ftrace: allocating 50033 entries in 196 pages [ 0.019611] ftrace: allocated 196 pages with 3 groups [ 0.019657] rcu: Hierarchical RCU implementation. [ 0.019658] rcu: RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=1. [ 0.019659] Rude variant of Tasks RCU enabled. [ 0.019659] Tracing variant of Tasks RCU enabled. [ 0.019660] rcu: RCU calculated value of scheduler-enlistment delay is 25 jiffies. [ 0.019661] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.021970] NR_IRQS: 524544, nr_irqs: 256, preallocated irqs: 16 [ 0.022101] Spurious LAPIC timer interrupt on cpu 0 [ 0.022109] Console: colour dummy device 80x25 [ 0.022237] printk: console [tty1] enabled [ 0.068514] printk: console [ttyS0] enabled [ 0.068723] ACPI: Core revision 20210730 [ 0.068954] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604467 ns [ 0.069428] APIC: Switch to symmetric I/O mode setup [ 0.069830] Switched APIC routing to physical x2apic. [ 0.070481] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.070772] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x31024ec0a0e, max_idle_ns: 440795247338 ns [ 0.071266] Calibrating delay loop (skipped) preset value.. 6800.00 BogoMIPS (lpj=13600000) [ 0.071657] pid_max: default: 32768 minimum: 301 [ 0.071919] LSM: Security Framework initializing [ 0.072144] landlock: Up and running. [ 0.072308] Yama: becoming mindful. [ 0.072487] AppArmor: AppArmor initialized [ 0.072689] Mount-cache hash table entries: 512 (order: 0, 4096 bytes, linear) [ 0.073022] Mountpoint-cache hash table entries: 512 (order: 0, 4096 bytes, linear) [ 0.075359] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0 [ 0.075608] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0 [ 0.075888] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 0.076288] Spectre V2 : Mitigation: Retpolines [ 0.076490] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 0.076860] Spectre V2 : Spectre v2 / SpectreRSB : Filling RSB on VMEXIT [ 0.077163] Speculative Store Bypass: Vulnerable [ 0.092285] Freeing SMP alternatives memory: 40K [ 0.200590] smpboot: CPU0: AMD QEMU Virtual CPU version 2.5+ (family: 0x6, model: 0x6, stepping: 0x3) [ 0.201074] Performance Events: AMD PMU driver. [ 0.201307] ... version: 0 [ 0.201502] ... bit width: 48 [ 0.201705] ... generic registers: 4 [ 0.201887] ... value mask: 0000ffffffffffff [ 0.202136] ... max period: 00007fffffffffff [ 0.202397] ... fixed-purpose events: 0 [ 0.202591] ... event mask: 000000000000000f [ 0.202876] rcu: Hierarchical SRCU implementation. [ 0.203265] smp: Bringing up secondary CPUs ... [ 0.203265] smp: Brought up 1 node, 1 CPU [ 0.203265] smpboot: Max logical packages: 2 [ 0.203265] smpboot: Total of 1 processors activated (6800.00 BogoMIPS) [ 0.203265] devtmpfs: initialized [ 0.203265] x86/mm: Memory block size: 128MB [ 0.203377] ACPI: PM: Registering ACPI NVS region [mem 0x00800000-0x00807fff] (32768 bytes) [ 0.203783] ACPI: PM: Registering ACPI NVS region [mem 0x00810000-0x008fffff] (983040 bytes) [ 0.204185] ACPI: PM: Registering ACPI NVS region [mem 0xbe8d5000-0xbe8e0fff] (49152 bytes) [ 0.204561] ACPI: PM: Registering ACPI NVS region [mem 0xbfbfb000-0xbfbfefff] (16384 bytes) [ 0.204934] ACPI: PM: Registering ACPI NVS region [mem 0xbff70000-0xbfffffff] (589824 bytes) [ 0.205349] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns [ 0.205803] futex hash table entries: 256 (order: 2, 16384 bytes, linear) [ 0.206138] pinctrl core: initialized pinctrl subsystem [ 0.206447] PM: RTC time: 14:59:52, date: 2022-12-21 [ 0.206752] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 0.207079] DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations [ 0.207277] DMA: preallocated 128 KiB GFP_KERNEL|GFP_DMA32 pool for atomic allocations [ 0.207638] audit: initializing netlink subsys (disabled) [ 0.207948] thermal_sys: Registered thermal governor 'fair_share' [ 0.207949] thermal_sys: Registered thermal governor 'bang_bang' [ 0.208231] thermal_sys: Registered thermal governor 'step_wise' [ 0.208508] thermal_sys: Registered thermal governor 'user_space' [ 0.208785] thermal_sys: Registered thermal governor 'power_allocator' [ 0.209067] EISA bus registered [ 0.209503] cpuidle: using governor ladder [ 0.209690] cpuidle: using governor menu [ 0.209918] ACPI: bus type PCI registered [ 0.210106] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 [ 0.210453] PCI: Using configuration type 1 for base access [ 0.211269] audit: type=2000 audit(1671634792.248:1): state=initialized audit_enabled=0 res=1 [ 0.212052] Kprobes globally optimized [ 0.212271] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 0.212984] fbcon: Taking over console [ 0.213169] ACPI: Added _OSI(Module Device) [ 0.213365] ACPI: Added _OSI(Processor Device) [ 0.213573] ACPI: Added _OSI(3.0 _SCP Extensions) [ 0.213790] ACPI: Added _OSI(Processor Aggregator Device) [ 0.214040] ACPI: Added _OSI(Linux-Dell-Video) [ 0.214246] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 0.214490] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 0.215217] ACPI: 1 ACPI AML tables successfully acquired and loaded [ 0.215509] ACPI: Interpreter enabled [ 0.215692] ACPI: PM: (supports S0 S3 S4 S5) [ 0.215892] ACPI: Using IOAPIC for interrupt routing [ 0.216124] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 0.216522] PCI: Using E820 reservations for host bridge windows [ 0.216850] ACPI: Enabled 2 GPEs in block 00 to 0F [ 0.218323] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 0.218615] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI EDR HPX-Type3] [ 0.218994] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 0.219408] acpiphp: Slot [3] registered [ 0.219588] acpiphp: Slot [4] registered [ 0.219779] acpiphp: Slot [5] registered [ 0.219961] acpiphp: Slot [6] registered [ 0.220148] acpiphp: Slot [7] registered [ 0.220326] acpiphp: Slot [8] registered [ 0.220505] acpiphp: Slot [9] registered [ 0.220692] acpiphp: Slot [10] registered [ 0.220869] acpiphp: Slot [11] registered [ 0.221052] acpiphp: Slot [12] registered [ 0.221239] acpiphp: Slot [13] registered [ 0.221418] acpiphp: Slot [14] registered [ 0.221613] acpiphp: Slot [15] registered [ 0.221802] acpiphp: Slot [16] registered [ 0.221996] acpiphp: Slot [17] registered [ 0.222179] acpiphp: Slot [18] registered [ 0.222368] acpiphp: Slot [19] registered [ 0.222556] acpiphp: Slot [20] registered [ 0.222740] acpiphp: Slot [21] registered [ 0.223293] acpiphp: Slot [22] registered [ 0.223478] acpiphp: Slot [23] registered [ 0.223671] acpiphp: Slot [24] registered [ 0.223860] acpiphp: Slot [25] registered [ 0.224052] acpiphp: Slot [26] registered [ 0.224239] acpiphp: Slot [27] registered [ 0.224428] acpiphp: Slot [28] registered [ 0.224619] acpiphp: Slot [29] registered [ 0.224797] acpiphp: Slot [30] registered [ 0.224988] acpiphp: Slot [31] registered [ 0.225171] PCI host bridge to bus 0000:00 [ 0.225356] pci_bus 0000:00: root bus resource [bus 00-ff] [ 0.225600] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 0.225915] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 0.226222] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 0.226559] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window] [ 0.226901] pci_bus 0000:00: root bus resource [mem 0x800000000-0x87fffffff window] [ 0.227329] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 0.227916] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100 [ 0.228405] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180 [ 0.229596] pci 0000:00:01.1: reg 0x20: [io 0xc160-0xc16f] [ 0.230194] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7] [ 0.230529] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6] [ 0.230836] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177] [ 0.231269] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376] [ 0.231676] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 0.232085] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 0.232410] pci 0000:00:01.3: quirk: [io 0xb100-0xb10f] claimed by PIIX4 SMB [ 0.232964] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000 [ 0.233774] pci 0000:00:02.0: reg 0x10: [mem 0xc0000000-0xc0ffffff pref] [ 0.234866] pci 0000:00:02.0: reg 0x18: [mem 0xc1084000-0xc1084fff] [ 0.236584] pci 0000:00:02.0: reg 0x30: [mem 0xffff0000-0xffffffff pref] [ 0.236902] pci 0000:00:02.0: BAR 0: assigned to efifb [ 0.237142] pci 0000:00:02.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 0.237786] pci 0000:00:03.0: [1af4:1001] type 00 class 0x010000 [ 0.238558] pci 0000:00:03.0: reg 0x10: [io 0xc080-0xc0ff] [ 0.239266] pci 0000:00:03.0: reg 0x14: [mem 0xc1083000-0xc1083fff] [ 0.241616] pci 0000:00:03.0: reg 0x20: [mem 0x800000000-0x800003fff 64bit pref] [ 0.242694] pci 0000:00:04.0: [1af4:1001] type 00 class 0x010000 [ 0.243465] pci 0000:00:04.0: reg 0x10: [io 0xc000-0xc07f] [ 0.244128] pci 0000:00:04.0: reg 0x14: [mem 0xc1082000-0xc1082fff] [ 0.245667] pci 0000:00:04.0: reg 0x20: [mem 0x800004000-0x800007fff 64bit pref] [ 0.246889] pci 0000:00:05.0: [1af4:1000] type 00 class 0x020000 [ 0.247794] pci 0000:00:05.0: reg 0x10: [io 0xc140-0xc15f] [ 0.248560] pci 0000:00:05.0: reg 0x14: [mem 0xc1081000-0xc1081fff] [ 0.250337] pci 0000:00:05.0: reg 0x20: [mem 0x800008000-0x80000bfff 64bit pref] [ 0.251790] pci 0000:00:05.0: reg 0x30: [mem 0xfff80000-0xffffffff pref] [ 0.252508] pci 0000:00:06.0: [1af4:1000] type 00 class 0x020000 [ 0.253188] pci 0000:00:06.0: reg 0x10: [io 0xc120-0xc13f] [ 0.255266] pci 0000:00:06.0: reg 0x14: [mem 0xc1080000-0xc1080fff] [ 0.256678] pci 0000:00:06.0: reg 0x20: [mem 0x80000c000-0x80000ffff 64bit pref] [ 0.257403] pci 0000:00:06.0: reg 0x30: [mem 0xfff80000-0xffffffff pref] [ 0.258079] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 0.258629] pci 0000:00:07.0: reg 0x10: [io 0xc100-0xc11f] [ 0.259883] pci 0000:00:07.0: reg 0x20: [mem 0x800010000-0x800013fff 64bit pref] [ 0.264848] ACPI: PCI: Interrupt link LNKA configured for IRQ 11 [ 0.265176] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 0.265488] ACPI: PCI: Interrupt link LNKC configured for IRQ 10 [ 0.265802] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 0.266090] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 0.266429] APIC: NR_CPUS/possible_cpus limit of 1 reached. Processor 2/0x1 ignored. [ 0.266776] ACPI: Unable to map lapic to logical cpu number [ 0.267105] iommu: Default domain type: Translated [ 0.267267] iommu: DMA domain TLB invalidation policy: lazy mode [ 0.267646] SCSI subsystem initialized [ 0.267865] pci 0000:00:02.0: vgaarb: setting as boot VGA device [ 0.268144] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 0.268540] pci 0000:00:02.0: vgaarb: bridge control possible [ 0.268808] vgaarb: loaded [ 0.268942] ACPI: bus type USB registered [ 0.269134] usbcore: registered new interface driver usbfs [ 0.269397] usbcore: registered new interface driver hub [ 0.269634] usbcore: registered new device driver usb [ 0.269875] pps_core: LinuxPPS API ver. 1 registered [ 0.270109] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 0.270522] PTP clock support registered [ 0.270717] EDAC MC: Ver: 3.0.0 [ 0.270954] Registered efivars operations [ 0.271322] NetLabel: Initializing [ 0.271484] NetLabel: domain hash size = 128 [ 0.271683] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 0.271957] NetLabel: unlabeled traffic allowed by default [ 0.272227] PCI: Using ACPI for IRQ routing [ 0.272519] hpet: 3 channels of 0 reserved for per-cpu timers [ 0.272779] hpet0: at MMIO 0xfed00000, IRQs 2, 8, 0 [ 0.273004] hpet0: 3 comparators, 64-bit 100.000000 MHz counter [ 0.275279] clocksource: Switched to clocksource kvm-clock [ 0.279747] VFS: Disk quotas dquot_6.6.0 [ 0.279931] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 0.280300] AppArmor: AppArmor Filesystem Enabled [ 0.280528] pnp: PnP ACPI init [ 0.280875] pnp: PnP ACPI: found 6 devices [ 0.285996] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 0.286373] NET: Registered PF_INET protocol family [ 0.286575] IP idents hash table entries: 4096 (order: 3, 32768 bytes, linear) [ 0.290337] tcp_listen_portaddr_hash hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.290731] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.291105] TCP established hash table entries: 2048 (order: 2, 16384 bytes, linear) [ 0.291477] TCP bind hash table entries: 2048 (order: 3, 32768 bytes, linear) [ 0.291803] TCP: Hash tables configured (established 2048 bind 2048) [ 0.292103] MPTCP token hash table entries: 256 (order: 0, 6144 bytes, linear) [ 0.292444] UDP hash table entries: 256 (order: 1, 8192 bytes, linear) [ 0.292762] UDP-Lite hash table entries: 256 (order: 1, 8192 bytes, linear) [ 0.293090] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 0.293366] NET: Registered PF_XDP protocol family [ 0.293595] pci 0000:00:05.0: can't claim BAR 6 [mem 0xfff80000-0xffffffff pref]: no compatible bridge window [ 0.294056] pci 0000:00:06.0: can't claim BAR 6 [mem 0xfff80000-0xffffffff pref]: no compatible bridge window [ 0.294516] pci 0000:00:05.0: BAR 6: assigned [mem 0xc1000000-0xc107ffff pref] [ 0.294839] pci 0000:00:06.0: BAR 6: assigned [mem 0xc1100000-0xc117ffff pref] [ 0.295174] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 0.295463] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 0.295739] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 0.296054] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfffff window] [ 0.296372] pci_bus 0000:00: resource 8 [mem 0x800000000-0x87fffffff window] [ 0.296718] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 0.296995] pci 0000:00:01.0: Activating ISA DMA hang workarounds [ 0.297292] PCI: CLS 0 bytes, default 64 [ 0.297488] Trying to unpack rootfs image as initramfs... [ 0.303450] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x31024ec0a0e, max_idle_ns: 440795247338 ns [ 0.304024] Initialise system trusted keyrings [ 0.304227] Key type blacklist registered [ 0.307282] workingset: timestamp_bits=36 max_order=15 bucket_order=0 [ 0.308074] zbud: loaded [ 0.308299] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 0.308613] fuse: init (API version 7.34) [ 0.308852] integrity: Platform Keyring initialized [ 0.316994] Key type asymmetric registered [ 0.317171] Asymmetric key parser 'x509' registered [ 0.317370] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 243) [ 0.317681] io scheduler mq-deadline registered [ 0.317921] shpchp: Standard Hot Plug PCI Controller Driver version: 0.4 [ 0.318248] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 0.318559] ACPI: button: Power Button [PWRF] [ 0.332751] swapper/0 invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0 [ 0.333156] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.0-56-generic #62~20.04.1-Ubuntu [ 0.333544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 0.333920] Call Trace: [ 0.334037] [ 0.334139] dump_stack_lvl+0x4a/0x63 [ 0.334310] dump_stack+0x10/0x16 [ 0.334472] dump_header+0x53/0x225 [ 0.334640] out_of_memory.cold+0x39/0x97 [ 0.334827] __alloc_pages_slowpath.constprop.0+0xcd4/0xde0 [ 0.335086] ? rmqueue_bulk+0x282/0x750 [ 0.335264] __alloc_pages+0x2cc/0x310 [ 0.335268] alloc_page_interleave+0x19/0x90 [ 0.335268] alloc_pages+0xf7/0x120 [ 0.335268] allocate_slab+0x313/0x4d0 [ 0.335268] new_slab+0x3a/0x60 [ 0.335268] ___slab_alloc+0x4d2/0x860 [ 0.335268] ? acpi_ut_allocate_object_desc_dbg+0x63/0x112 [ 0.335268] ? acpi_ut_trace+0x28/0x6e [ 0.335268] ? acpi_ns_get_type+0x90/0x9a [ 0.335268] ? acpi_ut_allocate_object_desc_dbg+0x63/0x112 [ 0.335268] kmem_cache_alloc+0x3de/0x430 [ 0.335268] acpi_ut_allocate_object_desc_dbg+0x63/0x112 [ 0.335268] acpi_ut_create_internal_object_dbg+0x51/0x11d [ 0.335268] acpi_ut_copy_ielement_to_ielement+0x61/0xcb [ 0.335268] ? acpi_ut_copy_simple_object+0x13f/0x13f [ 0.335268] acpi_ut_walk_package_tree+0xdf/0x20b [ 0.335268] acpi_ut_copy_iobject_to_iobject+0x13b/0x1b8 [ 0.335268] acpi_ds_store_object_to_local+0x194/0x389 [ 0.335268] acpi_ex_store+0x396/0x46d [ 0.335268] ? acpi_ut_trace_str+0x2b/0x75 [ 0.335268] acpi_ex_opcode_1A_1T_1R+0x445/0x5c8 [ 0.335268] acpi_ds_exec_end_op+0x17b/0x7a2 [ 0.335268] acpi_ps_parse_loop+0x84b/0x928 [ 0.335268] acpi_ps_parse_aml+0x1af/0x554 [ 0.335268] acpi_ps_execute_method+0x208/0x2ce [ 0.335268] acpi_ns_evaluate+0x34e/0x4f4 [ 0.335268] acpi_ut_evaluate_object+0xb7/0x254 [ 0.335268] acpi_rs_get_prt_method_data+0x5b/0xda [ 0.335268] acpi_get_irq_routing_table+0x82/0xc8 [ 0.335268] acpi_pci_irq_find_prt_entry+0x8e/0x310 [ 0.335268] ? idr_get_free+0x50/0x3a0 [ 0.335268] acpi_pci_irq_lookup+0x3a/0x1e0 [ 0.335268] acpi_pci_irq_enable+0x77/0x250 [ 0.335268] pcibios_enable_device+0x3b/0x50 [ 0.335268] do_pci_enable_device+0x89/0x110 [ 0.335268] pci_enable_device_flags+0xed/0x150 [ 0.335268] ? __cond_resched+0x19/0x40 [ 0.335268] pci_enable_device+0x13/0x20 [ 0.335268] virtio_pci_probe+0x87/0x170 [ 0.335268] local_pci_probe+0x4b/0x90 [ 0.335268] pci_device_probe+0x186/0x1f0 [ 0.335268] really_probe.part.0+0xcb/0x380 [ 0.335268] really_probe+0x40/0x80 [ 0.335268] __driver_probe_device+0x119/0x190 [ 0.335268] driver_probe_device+0x23/0xb0 [ 0.335268] __driver_attach+0xbd/0x170 [ 0.335268] ? __device_attach_driver+0x120/0x120 [ 0.335268] bus_for_each_dev+0x7e/0xd0 [ 0.335268] driver_attach+0x1e/0x30 [ 0.335268] bus_add_driver+0x178/0x220 [ 0.335268] driver_register+0x74/0xe0 [ 0.335268] ? virtio_mmio_init+0x1d/0x1d [ 0.335268] __pci_register_driver+0x68/0x70 [ 0.335268] virtio_pci_driver_init+0x1e/0x24 [ 0.335268] do_one_initcall+0x48/0x1e0 [ 0.335268] kernel_init_freeable+0x284/0x2f1 [ 0.335268] ? rest_init+0x100/0x100 [ 0.335268] kernel_init+0x1b/0x150 [ 0.335268] ? rest_init+0x100/0x100 [ 0.335268] ret_from_fork+0x22/0x30 [ 0.335268] [ 0.347503] Mem-Info: [ 0.347623] active_anon:0 inactive_anon:0 isolated_anon:0 [ 0.347623] active_file:0 inactive_file:0 isolated_file:0 [ 0.347623] unevictable:12138 dirty:0 writeback:0 [ 0.347623] slab_reclaimable:2947 slab_unreclaimable:1259 [ 0.347623] mapped:0 shmem:0 pagetables:3 bounce:0 [ 0.347623] kernel_misc_reclaimable:0 [ 0.347623] free:298 free_pcp:2 free_cma:0 [ 0.349191] Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:48552kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:656kB pagetables:12kB all_unreclaimable? yes [ 0.350587] Node 0 DMA free:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:636kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 0.352222] lowmem_reserve[]: 0 0 0 0 0 [ 0.352609] Node 0 DMA32 free:1192kB min:3188kB low:3472kB high:3756kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:48552kB writepending:0kB present:196604kB managed:81712kB mlocked:0kB bounce:0kB free_pcp:8kB local_pcp:8kB free_cma:0kB [ 0.355167] lowmem_reserve[]: 0 0 0 0 0 [ 0.355561] Node 0 DMA: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 0.356573] Node 0 DMA32: 2*4kB (UE) 2*8kB (ME) 1*16kB (U) 2*32kB (ME) 1*64kB (E) 2*128kB (UE) 1*256kB (E) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 1192kB [ 0.357932] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 0.358762] 12147 total pagecache pages [ 0.359171] 0 pages in swap cache [ 0.359475] Swap cache stats: add 0, delete 0, find 0/0 [ 0.359744] Free swap = 0kB [ 0.359894] Total swap = 0kB [ 0.360044] 49310 pages RAM [ 0.360190] 0 pages HighMem/MovableOnly [ 0.360389] 28882 pages reserved [ 0.360557] 0 pages hwpoisoned [ 0.360716] Tasks state (memory values in pages): [ 0.360959] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 0.361398] Out of memory and no killable processes... [ 0.361661] Kernel panic - not syncing: System is deadlocked on memory [ 0.361996] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.0-56-generic #62~20.04.1-Ubuntu [ 0.362417] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 0.0.0 02/06/2015 [ 0.362830] Call Trace: [ 0.362966] [ 0.363077] dump_stack_lvl+0x4a/0x63 [ 0.363270] dump_stack+0x10/0x16 [ 0.363443] panic+0x149/0x321 [ 0.363473] out_of_memory.cold+0x61/0x97 [ 0.363473] __alloc_pages_slowpath.constprop.0+0xcd4/0xde0 [ 0.363473] ? rmqueue_bulk+0x282/0x750 [ 0.363473] __alloc_pages+0x2cc/0x310 [ 0.363473] alloc_page_interleave+0x19/0x90 [ 0.363473] alloc_pages+0xf7/0x120 [ 0.363473] allocate_slab+0x313/0x4d0 [ 0.363473] new_slab+0x3a/0x60 [ 0.363473] ___slab_alloc+0x4d2/0x860 [ 0.363473] ? acpi_ut_allocate_object_desc_dbg+0x63/0x112 [ 0.363473] ? acpi_ut_trace+0x28/0x6e [ 0.363473] ? acpi_ns_get_type+0x90/0x9a [ 0.363473] ? acpi_ut_allocate_object_desc_dbg+0x63/0x112 [ 0.363473] kmem_cache_alloc+0x3de/0x430 [ 0.363473] acpi_ut_allocate_object_desc_dbg+0x63/0x112 [ 0.363473] acpi_ut_create_internal_object_dbg+0x51/0x11d [ 0.363473] acpi_ut_copy_ielement_to_ielement+0x61/0xcb [ 0.363473] ? acpi_ut_copy_simple_object+0x13f/0x13f [ 0.363473] acpi_ut_walk_package_tree+0xdf/0x20b [ 0.363473] acpi_ut_copy_iobject_to_iobject+0x13b/0x1b8 [ 0.363473] acpi_ds_store_object_to_local+0x194/0x389 [ 0.363473] acpi_ex_store+0x396/0x46d [ 0.363473] ? acpi_ut_trace_str+0x2b/0x75 [ 0.363473] acpi_ex_opcode_1A_1T_1R+0x445/0x5c8 [ 0.363473] acpi_ds_exec_end_op+0x17b/0x7a2 [ 0.363473] acpi_ps_parse_loop+0x84b/0x928 [ 0.363473] acpi_ps_parse_aml+0x1af/0x554 [ 0.363473] acpi_ps_execute_method+0x208/0x2ce [ 0.363473] acpi_ns_evaluate+0x34e/0x4f4 [ 0.363473] acpi_ut_evaluate_object+0xb7/0x254 [ 0.363473] acpi_rs_get_prt_method_data+0x5b/0xda [ 0.363473] acpi_get_irq_routing_table+0x82/0xc8 [ 0.363473] acpi_pci_irq_find_prt_entry+0x8e/0x310 [ 0.363473] ? idr_get_free+0x50/0x3a0 [ 0.363473] acpi_pci_irq_lookup+0x3a/0x1e0 [ 0.363473] acpi_pci_irq_enable+0x77/0x250 [ 0.363473] pcibios_enable_device+0x3b/0x50 [ 0.363473] do_pci_enable_device+0x89/0x110 [ 0.363473] pci_enable_device_flags+0xed/0x150 [ 0.363473] ? __cond_resched+0x19/0x40 [ 0.363473] pci_enable_device+0x13/0x20 [ 0.363473] virtio_pci_probe+0x87/0x170 [ 0.363473] local_pci_probe+0x4b/0x90 [ 0.363473] pci_device_probe+0x186/0x1f0 [ 0.363473] really_probe.part.0+0xcb/0x380 [ 0.363473] really_probe+0x40/0x80 [ 0.363473] __driver_probe_device+0x119/0x190 [ 0.363473] driver_probe_device+0x23/0xb0 [ 0.363473] __driver_attach+0xbd/0x170 [ 0.363473] ? __device_attach_driver+0x120/0x120 [ 0.363473] bus_for_each_dev+0x7e/0xd0 [ 0.363473] driver_attach+0x1e/0x30 [ 0.363473] bus_add_driver+0x178/0x220 [ 0.363473] driver_register+0x74/0xe0 [ 0.363473] ? virtio_mmio_init+0x1d/0x1d [ 0.363473] __pci_register_driver+0x68/0x70 [ 0.363473] virtio_pci_driver_init+0x1e/0x24 [ 0.363473] do_one_initcall+0x48/0x1e0 [ 0.363473] kernel_init_freeable+0x284/0x2f1 [ 0.363473] ? rest_init+0x100/0x100 [ 0.363473] kernel_init+0x1b/0x150 [ 0.363473] ? rest_init+0x100/0x100 [ 0.363473] ret_from_fork+0x22/0x30 [ 0.363473] [ 0.363473] Kernel Offset: 0x10c00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 0.363473] ---[ end Kernel panic - not syncing: System is deadlocked on memory ]---