====================================== | [ 30.021758][ C0] common_startup_64 (arch/x86/kernel/head_64.S:421) | [ 30.021901][ C0] | [ 30.021973][ C0] | [ 30.021973][ C0] stack backtrace: [ 30.022470][ C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 30.022791][ C0] Call Trace: [ 30.022904][ C0] [ 30.022974][ C0] dump_stack_lvl (lib/dump_stack.c:117) [ 30.023211][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 30.023395][ C0] ? kernel_text_address (kernel/extable.c:99) [ 30.023544][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) [ 30.023730][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) [ 30.023963][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) [ 30.024105][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) [ 30.024337][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) [ 30.024483][ C0] ? common_startup_64 (arch/x86/kernel/head_64.S:421) [ 30.024634][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) [ 30.024869][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 30.025024][ C0] ? save_trace (kernel/locking/lockdep.c:586) [ 30.025170][ C0] mark_lock (kernel/locking/lockdep.c:4678) [ 30.025277][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) [ 30.025423][ C0] mark_usage (kernel/locking/lockdep.c:4567) [ 30.025631][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) [ 30.025778][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) [ 30.025924][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.026069][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 30.026218][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.026461][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 30.026606][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) [ 30.026752][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.026896][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.027042][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.027197][ C0] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) [ 30.027436][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.027588][ C0] addrconf_rs_timer (net/ipv6/addrconf.c:4023) [ 30.027736][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 30.027882][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.028108][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.028255][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.028402][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.028549][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.028702][ C0] call_timer_fn (kernel/time/timer.c:1793) [ 30.029029][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.029174][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) [ 30.029317][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) [ 30.029459][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) [ 30.029572][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) [ 30.029818][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) [ 30.029964][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389) [ 30.030113][ C0] ? do_raw_spin_lock (./arch/x86/include/asm/atomic.h:115 ./include/linux/atomic/atomic-arch-fallback.h:2170 ./include/linux/atomic/atomic-instrumented.h:1302 ./include/asm-generic/qspinlock.h:111 kernel/locking/spinlock_debug.c:116) [ 30.030259][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) [ 30.030488][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) [ 30.030632][ C0] ? run_timer_softirq (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 30.030779][ C0] run_timer_softirq (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2438 kernel/time/timer.c:2448) [ 30.030922][ C0] __do_softirq (kernel/softirq.c:554) [ 30.031169][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) [ 30.031279][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 30.031428][ C0] [ 30.031503][ C0] [ 30.031571][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 30.031839][ C0] RIP: 0010:default_idle (./arch/x86/include/asm/irqflags.h:37 ./arch/x86/include/asm/irqflags.h:72 arch/x86/kernel/process.c:743) [ 30.032088][ C0] Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d d3 eb 32 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 All code ======== 0: 4c 01 c7 add %r8,%rdi 3: 4c 29 c2 sub %r8,%rdx 6: e9 72 ff ff ff jmp 0xffffffffffffff7d b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d d3 eb 32 00 verw 0x32ebd3(%rip) # 0x32ebfb 28: fb sti 29: f4 hlt 2a:* fa cli <-- trapping instruction 2b: c3 ret 2c: cc int3 2d: cc int3 2e: cc int3 2f: cc int3 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: fa cli 1: c3 ret 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) d: 00 00 00 00 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 30.032602][ C0] RSP: 0018:ffffffff90007e00 EFLAGS: 00000242 [ 30.032886][ C0] RAX: 0000000000091f8f RBX: 1ffffffff2000fc2 RCX: ffffffff8f132ea5 [ 30.033104][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8c8ac1d4 [ 30.033322][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0709c [ 30.033627][ C0] R10: ffff8880360384e3 R11: 1ffff110003ab10c R12: 0000000000000000 [ 30.033845][ C0] R13: ffffffff90031000 R14: dffffc0000000000 R15: 0000000000014770 [ 30.034068][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) [ 30.034221][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:192) [ 30.034369][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) [ 30.034604][ C0] cpuidle_idle_call (kernel/sched/idle.c:192) [ 30.034749][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) [ 30.034988][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) [ 30.035135][ C0] do_idle (kernel/sched/idle.c:332) [ 30.035247][ C0] cpu_startup_entry (kernel/sched/idle.c:429 (discriminator 1)) [ 30.035486][ C0] rest_init (./include/linux/rcupdate.h:782 init/main.c:703) [ 30.035597][ C0] start_kernel (init/main.c:1024 (discriminator 1)) [ 30.035741][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:495) [ 30.035888][ C0] x86_64_start_kernel (arch/x86/kernel/head64.c:437 (discriminator 17)) Finger prints: common_startup_64:dump_stack_lvl:mark_lock_irq:mark_lock