====================================== | [ 35.267631][ C2] common_startup_64 (arch/x86/kernel/head_64.S:418) | [ 35.267710][ C2] | [ 35.267749][ C2] | [ 35.267749][ C2] stack backtrace: [ 35.267853][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 35.267855][ C2] Call Trace: [ 35.267857][ C2] [ 35.267859][ C2] dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120) [ 35.267863][ C2] print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4125) [ 35.267866][ C2] mark_lock_irq (kernel/locking/lockdep.c:4079 kernel/locking/lockdep.c:4158 kernel/locking/lockdep.c:4294) [ 35.267869][ C2] mark_lock (kernel/locking/lockdep.c:4753) [ 35.267871][ C2] mark_usage (kernel/locking/lockdep.c:4642) [ 35.267872][ C2] __lock_acquire (kernel/locking/lockdep.c:5191) [ 35.267873][ C2] ? add_chain_cache (kernel/locking/lockdep.c:3766) [ 35.267875][ C2] lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 35.267877][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4048) [ 35.267879][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 35.267882][ C2] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 35.267883][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 35.267885][ C2] _raw_write_lock (./include/linux/rwlock_api_smp.h:229 (discriminator 1) kernel/locking/spinlock.c:304 (discriminator 1)) [ 35.267886][ C2] ? addrconf_rs_timer (net/ipv6/addrconf.c:4048) [ 35.267888][ C2] addrconf_rs_timer (net/ipv6/addrconf.c:4048) [ 35.267890][ C2] ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1)) [ 35.267891][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 35.267893][ C2] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22)) [ 35.267895][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 35.267897][ C2] call_timer_fn (kernel/time/timer.c:1748) [ 35.267898][ C2] ? detach_if_pending (./include/linux/list.h:1143) [ 35.267900][ C2] ? debug_object_active_state (lib/debugobjects.c:1077) [ 35.267903][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 35.267906][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 35.267908][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 35.267910][ C2] __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374) [ 35.267911][ C2] ? ipv6_get_lladdr (./include/net/addrconf.h:348 (discriminator 4)) [ 35.267913][ C2] ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:394) [ 35.267915][ C2] ? __lock_acquire (kernel/locking/lockdep.c:5237) [ 35.267917][ C2] ? __rwlock_init (kernel/locking/spinlock_debug.c:48) [ 35.267920][ C2] run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403) [ 35.267921][ C2] ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19)) [ 35.267923][ C2] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22)) [ 35.267926][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 35.267928][ C2] handle_softirqs (kernel/softirq.c:622) [ 35.267929][ C2] ? find_held_lock (kernel/locking/lockdep.c:5350) [ 35.267931][ C2] ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535) [ 35.267932][ C2] ? _local_bh_enable (kernel/softirq.c:405 (discriminator 1)) [ 35.267934][ C2] __irq_exit_rcu (kernel/softirq.c:656 kernel/softirq.c:496 kernel/softirq.c:735) [ 35.267936][ C2] irq_exit_rcu (kernel/softirq.c:752) [ 35.267937][ C2] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37)) [ 35.267939][ C2] [ 35.267939][ C2] [ 35.267940][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 35.267941][ C2] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:697) [ 35.267943][ C2] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:62) [ 35.267946][ 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 [ 35.267947][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 35.267949][ C2] RAX: 000000000011cd33 RBX: ff11000001bb4640 RCX: ffffffff960d9667 [ 35.267951][ C2] RDX: ff11000001bb4640 RSI: ffffffff98e02230 RDI: ffffffff9886f6c0 [ 35.267952][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 35.267952][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 35.267953][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 35.267955][ C2] ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 35.267957][ C2] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) [ 35.267958][ C2] default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:767) [ 35.267960][ C2] default_idle_call (kernel/sched/idle.c:122) [ 35.267962][ C2] cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199) [ 35.267963][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 35.267965][ C2] ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49) [ 35.267966][ C2] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3)) [ 35.267968][ C2] do_idle (kernel/sched/idle.c:352) [ 35.267970][ C2] cpu_startup_entry (kernel/sched/idle.c:451) [ 35.267971][ C2] start_secondary (arch/x86/kernel/smpboot.c:312) [ 35.267972][ 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