======================================
| [ 725.034644][ C1] common_startup_64 (arch/x86/kernel/head_64.S:419) 
| [  725.034648][    C1]
| [  725.034649][    C1]
| [  725.034649][    C1] stack backtrace:
[  725.034659][    C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  725.034663][    C1] Call Trace:
[  725.034666][    C1]  <IRQ>
[ 725.034669][ C1] dump_stack_lvl (lib/dump_stack.c:123) 
[ 725.034677][ C1] print_irq_inversion_bug.part.0 (kernel/locking/lockdep.c:4127) 
[ 725.034685][ C1] mark_lock_irq (kernel/locking/lockdep.c:4295) 
[ 725.034697][ C1] mark_lock (kernel/locking/lockdep.c:4753) 
[ 725.034704][ C1] mark_usage (kernel/locking/lockdep.c:4639) 
[ 725.034709][ C1] __lock_acquire (kernel/locking/lockdep.c:5191) 
[ 725.034718][ C1] lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870) 
[ 725.034723][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1924) 
[ 725.034729][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 725.034736][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 725.034741][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1924) 
[ 725.034748][ C1] console_lock_spinning_enable (kernel/printk/printk.c:1925) 
[ 725.034753][ C1] ? console_lock_spinning_enable (kernel/printk/printk.c:1924) 
[ 725.034758][ C1] console_emit_next_record (kernel/printk/printk.c:3050 (discriminator 3) kernel/printk/printk.c:3137 (discriminator 3)) 
[ 725.034765][ C1] ? devkmsg_read (kernel/printk/printk.c:3082) 
[ 725.034772][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 725.034781][ C1] console_flush_all (kernel/printk/printk.c:3227) 
[ 725.034789][ C1] ? console_emit_next_record (kernel/printk/printk.c:3188) 
[ 725.034795][ C1] ? __lock_acquire (kernel/locking/lockdep.c:5237) 
[ 725.034804][ C1] console_unlock (kernel/printk/printk.c:3286 kernel/printk/printk.c:3325) 
[ 725.034809][ C1] ? console_flush_all (kernel/printk/printk.c:3320) 
[ 725.034815][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 725.034820][ C1] ? irq_work_single (kernel/irq_work.c:222) 
[ 725.034826][ C1] ? irq_work_single (kernel/irq_work.c:222) 
[ 725.034834][ C1] wake_up_klogd_work_func (kernel/printk/printk.c:4529) 
[ 725.034840][ C1] irq_work_single (kernel/irq_work.c:222) 
[ 725.034846][ C1] irq_work_run_list (kernel/irq_work.c:251 (discriminator 3)) 
[ 725.034851][ C1] ? irq_work_tick (kernel/irq_work.c:277) 
[ 725.034857][ C1] update_process_times (kernel/time/timer.c:2478) 
[ 725.034863][ C1] tick_nohz_handler (kernel/time/tick-sched.c:277 kernel/time/tick-sched.c:297) 
[ 725.034868][ C1] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 725.034875][ C1] __run_hrtimer (kernel/time/hrtimer.c:1761) 
[ 725.034881][ C1] ? tick_do_update_jiffies64.part.0 (kernel/time/tick-sched.c:285) 
[ 725.034889][ C1] __hrtimer_run_queues (./include/linux/timerqueue.h:25 kernel/time/hrtimer.c:1805) 
[ 725.034896][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:640 (discriminator 2) kernel/time/hrtimer.c:1869 (discriminator 2)) 
[ 725.034902][ C1] ? __run_hrtimer (kernel/time/hrtimer.c:1795) 
[ 725.034907][ C1] ? kvm_clock_get_cycles (./arch/x86/include/asm/preempt.h:95 arch/x86/kernel/kvmclock.c:80 arch/x86/kernel/kvmclock.c:86) 
[ 725.034918][ C1] hrtimer_interrupt (kernel/time/hrtimer.c:1890) 
[ 725.034925][ C1] ? __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) 
[ 725.034936][ C1] __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1057) 
[ 725.034942][ C1] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1050 arch/x86/kernel/apic/apic.c:1050) 
[  725.034948][    C1]  </IRQ>
[  725.034950][    C1]  <TASK>
[ 725.034953][ C1] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 725.034958][ C1] RIP: 0010:pv_native_safe_halt (arch/x86/kernel/paravirt.c:82) 
[ 725.034965][ C1] Code: 48 8b 3d 74 7b 05 02 e8 1f 00 00 00 48 2b 05 c8 24 86 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d b3 cd 0b 00 fb f4 <c3> 66 0f 1f 00 41 54 55 53 48 89 fb 48 83 ec 10 8b 17 83 e2 fe 41
All code
========
   0:	48 8b 3d 74 7b 05 02 	mov    0x2057b74(%rip),%rdi        # 0x2057b7b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 c8 24 86 00 	sub    0x8624c8(%rip),%rax        # 0x8624db
  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 b3 cd 0b 00 	verw   0xbcdb3(%rip)        # 0xbcddb
  28:	fb                   	sti
  29:	f4                   	hlt
  2a:*	c3                   	ret		<-- trapping instruction
  2b:	66 0f 1f 00          	nopw   (%rax)
  2f:	41 54                	push   %r12
  31:	55                   	push   %rbp
  32:	53                   	push   %rbx
  33:	48 89 fb             	mov    %rdi,%rbx
  36:	48 83 ec 10          	sub    $0x10,%rsp
  3a:	8b 17                	mov    (%rdi),%edx
  3c:	83 e2 fe             	and    $0xfffffffe,%edx
  3f:	41                   	rex.B

Code starting with the faulting instruction
===========================================
   0:	c3                   	ret
   1:	66 0f 1f 00          	nopw   (%rax)
   5:	41 54                	push   %r12
   7:	55                   	push   %rbp
   8:	53                   	push   %rbx
   9:	48 89 fb             	mov    %rdi,%rbx
   c:	48 83 ec 10          	sub    $0x10,%rsp
  10:	8b 17                	mov    (%rdi),%edx
  12:	83 e2 fe             	and    $0xfffffffe,%edx
  15:	41                   	rex.B
[  725.034969][    C1] RSP: 0018:ffffc90000137de8 EFLAGS: 00000206
[  725.034974][    C1] RAX: 000000000110923f RBX: 1ffff92000026fc1 RCX: ffffffffb51d71c5
[  725.034978][    C1] RDX: 0000000000000000 RSI: ffffffffb59eb6fc RDI: ffffffffb5457ae0
[  725.034981][    C1] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1006c56252
[  725.034984][    C1] R10: ffff8880362b1293 R11: ffff8880362b6958 R12: 0000000000000000
[  725.034988][    C1] R13: ffff888001ab0040 R14: dffffc0000000000 R15: 0000000000000000
[ 725.034994][ C1] ? ct_kernel_exit.constprop.0 (kernel/context_tracking.c:146) 
[ 725.035004][ C1] default_idle (./arch/x86/include/asm/paravirt.h:107 arch/x86/kernel/process.c:757) 
[ 725.035008][ C1] default_idle_call (./include/linux/cpuidle.h:143 kernel/sched/idle.c:123) 
[ 725.035012][ C1] cpuidle_idle_call (kernel/sched/idle.c:191) 
[ 725.035018][ C1] ? arch_cpu_idle_exit+0x40/0x40 
[ 725.035024][ C1] ? tsc_verify_tsc_adjust (arch/x86/kernel/tsc_sync.c:60) 
[ 725.035032][ C1] do_idle (kernel/sched/idle.c:330) 
[ 725.035038][ C1] cpu_startup_entry (kernel/sched/idle.c:427 (discriminator 1)) 
[ 725.035043][ C1] start_secondary (arch/x86/kernel/smpboot.c:203 arch/x86/kernel/smpboot.c:283) 
[ 725.035049][ C1] ? set_cpu_sibling_map (arch/x86/kernel/smpboot.c:233) 


Finger prints:
common_startup_64:dump_stack_lvl:mark_lock_irq:mark_lock:mark_usage