======================================
| [ 44.092463][ C0] common_startup_64 (arch/x86/kernel/head_64.S:421) 
| [   44.092832][    C0]
| [   44.092910][    C0]
| [   44.092910][    C0] stack backtrace:
[   44.093404][    C0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   44.093838][    C0] Call Trace:
[   44.093958][    C0]  <IRQ>
[ 44.094042][ C0] dump_stack_lvl (lib/dump_stack.c:117) 
[ 44.094205][ C0] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 44.094519][ C0] ? kernel_text_address (kernel/extable.c:99) 
[ 44.094683][ C0] ? __pfx_print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4024) 
[ 44.094896][ C0] ? __pfx_usage_skip (kernel/locking/lockdep.c:2264) 
[ 44.095051][ C0] ? __pfx_usage_match (kernel/locking/lockdep.c:2256) 
[ 44.095305][ C0] ? arch_stack_walk (arch/x86/kernel/stacktrace.c:24) 
[ 44.095459][ C0] mark_lock_irq (kernel/locking/lockdep.c:4244) 
[ 44.095620][ C0] ? common_startup_64 (arch/x86/kernel/head_64.S:421) 
[ 44.095777][ C0] ? __pfx_mark_lock_irq (kernel/locking/lockdep.c:4207) 
[ 44.096039][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 44.096192][ C0] ? save_trace (kernel/locking/lockdep.c:586) 
[ 44.096366][ C0] mark_lock (kernel/locking/lockdep.c:4678) 
[ 44.096493][ C0] ? __pfx_stack_trace_save (kernel/stacktrace.c:114) 
[ 44.096843][ C0] mark_usage (kernel/locking/lockdep.c:4567) 
[ 44.096959][ C0] __lock_acquire (kernel/locking/lockdep.c:5091) 
[ 44.097136][ C0] ? __pfx_validate_chain (kernel/locking/lockdep.c:3825) 
[ 44.097306][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 44.097461][ C0] lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) 
[ 44.097707][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 44.097874][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 44.098029][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 44.098184][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 44.098438][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 44.098595][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 44.098748][ C0] _raw_write_lock (./include/linux/rwlock_api_smp.h:210 kernel/locking/spinlock.c:300) 
[ 44.098900][ C0] ? addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 44.099143][ C0] addrconf_rs_timer (net/ipv6/addrconf.c:4023) 
[ 44.099299][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) 
[ 44.099455][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 44.099603][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 44.099757][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 44.100002][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 44.100165][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 44.100320][ C0] call_timer_fn (kernel/time/timer.c:1793) 
[ 44.100472][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 44.100715][ C0] ? call_timer_fn (./include/linux/lockdep.h:31 kernel/time/timer.c:1783) 
[ 44.100864][ C0] ? __pfx_call_timer_fn (kernel/time/timer.c:1770) 
[ 44.101013][ C0] ? mark_lock (kernel/locking/lockdep.c:4656 (discriminator 3)) 
[ 44.101129][ C0] __run_timers (kernel/time/timer.c:1845 kernel/time/timer.c:2418) 
[ 44.101375][ C0] ? __pfx_addrconf_rs_timer (net/ipv6/addrconf.c:4016) 
[ 44.101529][ C0] ? __pfx___run_timers (kernel/time/timer.c:2389) 
[ 44.101677][ C0] ? __lock_release (kernel/locking/lockdep.c:5430) 
[ 44.101828][ 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) 
[ 44.101980][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.102220][ C0] ? lock_acquire (kernel/locking/lockdep.c:5727) 
[ 44.102408][ C0] ? timer_expire_remote (kernel/time/timer.c:2429 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 44.102565][ C0] timer_expire_remote (kernel/time/timer.c:2430 kernel/time/timer.c:2422 kernel/time/timer.c:2181) 
[ 44.102715][ C0] tmigr_handle_remote_cpu (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:67 ./arch/x86/include/asm/irqflags.h:127 kernel/time/timer_migration.c:925) 
[ 44.102962][ C0] ? __pfx_tmigr_handle_remote_cpu (kernel/time/timer_migration.c:869) 
[ 44.103164][ C0] tmigr_handle_remote_up (kernel/time/timer_migration.c:1003) 
[ 44.103329][ C0] tmigr_handle_remote (kernel/time/timer_migration.c:488 kernel/time/timer_migration.c:1061) 
[ 44.103483][ 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) 
[ 44.103730][ C0] ? __pfx_tmigr_handle_remote (kernel/time/timer_migration.c:1026) 
[ 44.103884][ C0] ? __pfx_do_raw_spin_lock (kernel/locking/spinlock_debug.c:114) 
[ 44.104036][ C0] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4292 kernel/locking/lockdep.c:4359) 
[ 44.104232][ C0] __do_softirq (kernel/softirq.c:554) 
[ 44.104490][ C0] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[ 44.104607][ C0] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   44.104760][    C0]  </IRQ>
[   44.104840][    C0]  <TASK>
[ 44.105005][ C0] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 44.105317][ 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) 
[ 44.105495][ 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 93 20 35 00 fb f4 <fa> 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 93 20 35 00 	verw   0x352093(%rip)        # 0x3520bb
  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
[   44.106185][    C0] RSP: 0018:ffffffffb5807e00 EFLAGS: 00000246
[   44.106396][    C0] RAX: 000000000009c52b RBX: 1ffffffff6b00fc2 RCX: ffffffffb490f9e5
[   44.106643][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb22aa4a4
[   44.107098][    C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c0709c
[   44.107451][    C0] R10: ffff8880360384e3 R11: ffff88803602d9b0 R12: 0000000000000000
[   44.107691][    C0] R13: ffffffffb581d000 R14: dffffc0000000000 R15: 0000000000014770
[ 44.108024][ C0] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:147) 
[ 44.108179][ C0] ? cpuidle_idle_call (kernel/sched/idle.c:192) 
[ 44.108358][ C0] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:118) 
[ 44.108521][ C0] cpuidle_idle_call (kernel/sched/idle.c:192) 
[ 44.108797][ C0] ? __pfx_cpuidle_idle_call (kernel/sched/idle.c:168) 
[ 44.108967][ C0] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:59) 
[ 44.109139][ C0] do_idle (kernel/sched/idle.c:332) 
[ 44.109264][ C0] cpu_startup_entry (kernel/sched/idle.c:429 (discriminator 1)) 
[ 44.109610][ C0] rest_init (./include/linux/rcupdate.h:782 init/main.c:703) 
[ 44.109737][ C0] start_kernel (init/main.c:1024 (discriminator 1)) 
[ 44.109903][ C0] x86_64_start_reservations (arch/x86/kernel/head64.c:495) 
[ 44.110069][ 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