====================================== | [ 38.204052][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 38.204135][ C2] | [ 38.204174][ C2] | [ 38.204174][ C2] stack backtrace: [ 38.204279][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 38.204281][ C2] Call Trace: [ 38.204283][ C2] [ 38.204285][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 38.204290][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 38.204293][ C2] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 38.204296][ C2] mark_lock (kernel/locking/lockdep.c:4753) [ 38.204297][ C2] mark_usage (kernel/locking/lockdep.c:4642) [ 38.204299][ C2] __lock_acquire (kernel/locking/lockdep.c:5191) [ 38.204300][ C2] ? add_chain_cache (kernel/locking/lockdep.c:3766) [ 38.204302][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 38.204303][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4048) [ 38.204306][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.204308][ C2] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 38.204310][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 38.204312][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:304 (discriminator 1)) [ 38.204313][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4048) [ 38.204315][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4048) [ 38.204317][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 38.204319][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 38.204321][ C2] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 38.204322][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 38.204324][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 38.204326][ C2] ? detach_if_pending (./include/linux/list.h:1143) [ 38.204327][ C2] ? debug_object_active_state (lib/debugobjects.c:1077) [ 38.204331][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 38.204333][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 38.204338][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.204340][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 38.204342][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 38.204344][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:394) [ 38.204346][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 38.204349][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 38.204351][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 38.204352][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 38.204354][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.204357][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.204359][ C2] handle_softirqs (kernel/softirq.c:622) [ 38.204360][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 38.204362][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 38.204364][ C2] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1)) [ 38.204366][ C2] __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735) [ 38.204367][ C2] irq_exit_rcu (kernel/softirq.c:752) [ 38.204369][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37)) [ 38.204370][ C2] [ 38.204371][ C2] [ 38.204372][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.204373][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697) [ 38.204375][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62) [ 38.204378][ C2] Code: 48 8b 3d 44 93 00 02 e8 1f 00 00 00 48 2b 05 c8 31 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 b4 22 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 All code ======== 0: 48 8b 3d 44 93 00 02 mov 0x2009344(%rip),%rdi # 0x200934b 7: e8 1f 00 00 00 call 0x2b c: 48 2b 05 c8 31 a3 00 sub 0xa331c8(%rip),%rax # 0xa331db 13: c3 ret 14: 0f 1f 80 00 00 00 00 nopl 0x0(%rax) 1b: f3 0f 1e fa endbr64 1f: eb 07 jmp 0x28 21: 0f 00 2d 43 b4 22 00 verw 0x22b443(%rip) # 0x22b46b 28: fb sti 29: f4 hlt 2a:* c3 ret <-- trapping instruction 2b: 0f 1f 40 d6 nopl -0x2a(%rax) 2f: 48 83 ec 20 sub $0x20,%rsp 33: 8b 17 mov (%rdi),%edx 35: 49 89 f8 mov %rdi,%r8 38: 83 e2 fe and $0xfffffffe,%edx 3b: 41 89 d2 mov %edx,%r10d 3e: 0f .byte 0xf 3f: 01 .byte 0x1 Code starting with the faulting instruction =========================================== 0: c3 ret 1: 0f 1f 40 d6 nopl -0x2a(%rax) 5: 48 83 ec 20 sub $0x20,%rsp 9: 8b 17 mov (%rdi),%edx b: 49 89 f8 mov %rdi,%r8 e: 83 e2 fe and $0xfffffffe,%edx 11: 41 89 d2 mov %edx,%r10d 14: 0f .byte 0xf 15: 01 .byte 0x1 [ 38.204379][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 38.204382][ C2] RAX: 000000000010b81f RBX: ff11000001bb4640 RCX: ffffffff9a2d9667 [ 38.204383][ C2] RDX: ff11000001bb4640 RSI: ffffffff9d002230 RDI: ffffffff9ca6f6c0 [ 38.204384][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 38.204385][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 38.204385][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 38.204387][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 38.204389][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 38.204390][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767) [ 38.204392][ C2] default_idle_call (kernel/sched/idle.c:122) [ 38.204394][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 38.204395][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 38.204397][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 38.204398][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 38.204400][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 38.204402][ C2] do_idle (kernel/sched/idle.c:352) [ 38.204403][ C2] cpu_startup_entry (kernel/sched/idle.c:451) [ 38.204405][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 38.204406][ C2] ? set_cpu_sibling_map (./arch/x86/include/asm/smp.h:148 (discriminator 4)) Finger prints: common_startup_64:dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage