======================================
| [   10.873060][  T210] softirqs last disabled at (19909): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   10.873063][  T210] Preemption disabled at:
| [   10.873063][  T210] 0x0
| [   10.873074][  T210] Tainted: [W]=WARN
[   10.873075][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.873077][  T210] Call Trace:
[   10.873079][  T210]  <TASK>
[   10.873080][  T210]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   10.873086][  T210]  __might_resched.cold (kernel/sched/core.c:9234)
[   10.873090][  T210]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   10.873094][  T210]  ? __kmalloc_noprof (./include/linux/sched/mm.h:317 mm/slub.c:4636 mm/slub.c:4974 mm/slub.c:5413 mm/slub.c:5439)
[   10.873099][  T210]  __kmalloc_noprof (./include/linux/sched/mm.h:322 (discriminator 2) mm/slub.c:4636 (discriminator 2) mm/slub.c:4974 (discriminator 2) mm/slub.c:5413 (discriminator 2) mm/slub.c:5439 (discriminator 2))
[   10.873102][  T210]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.873108][  T210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:58 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.873111][  T210]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   10.873115][  T210]  put_chars (drivers/char/virtio_console.c:1176)
[   10.873118][  T210]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   10.873120][  T210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4116 (discriminator 3) kernel/rcu/tree.c:4108 (discriminator 3))
[   10.873124][  T210]  ? validate_chain (kernel/locking/lockdep.c:3817 (discriminator 2) kernel/locking/lockdep.c:3837 (discriminator 2) kernel/locking/lockdep.c:3892 (discriminator 2))
[   10.873129][  T210]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   10.873136][  T210]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   10.873138][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.873140][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.873145][  T210]  console_emit_next_record (kernel/printk/printk.c:3183)
[   10.873148][  T210]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   10.873150][  T210]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   10.873152][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.873154][  T210]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   10.873158][  T210]  console_flush_one_record (kernel/printk/printk.c:3268)
[   10.873162][  T210]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   10.873163][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.873169][  T210]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   10.873172][  T210]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   10.873173][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.873175][  T210]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   10.873179][  T210]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   10.873181][  T210]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   10.873184][  T210]  vprintk_emit (kernel/printk/printk.c:2479)
[   10.873187][  T210]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   10.873190][  T210]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   10.873194][  T210]  _printk (kernel/printk/printk.c:2504)
[   10.873198][  T210]  ? snapshot_read.cold (user.c:?)
[   10.873201][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.873204][  T210]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   10.873208][  T210]  ? do_raw_spin_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qspinlock.h:112 kernel/locking/spinlock_debug.c:116)
[   10.873211][  T210]  do_exit.cold (kernel/exit.c:889 (discriminator 4) kernel/exit.c:1043 (discriminator 4))
[   10.873215][  T210]  ? exit_notify (kernel/exit.c:780)
[   10.873216][  T210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   10.873219][  T210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   10.873223][  T210]  do_group_exit (kernel/exit.c:1151)
[   10.873236][  T210]  __x64_sys_exit_group (kernel/exit.c:1162 kernel/exit.c:1160 kernel/exit.c:1160)
[   10.873238][  T210]  x64_sys_call (./arch/x86/include/generated/asm/syscalls_64.h:232)
[   10.873241][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:61 arch/x86/entry/syscall_64.c:84)
[   10.873245][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1489 (discriminator 3) arch/x86/mm/fault.c:1536 (discriminator 3))
[   10.873248][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.873251][  T210] RIP: 0033:0x7fbdd8b7c1b8
[   10.873253][  T210] Code: Unable to access opcode bytes at 0x7fbdd8b7c18e.

Code starting with the faulting instruction
===========================================
[   10.873254][  T210] RSP: 002b:00007fff30ecf698 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   10.873257][  T210] RAX: ffffffffffffffda RBX: 00007fbdd8cacf88 RCX: 00007fbdd8b7c1b8
[   10.873258][  T210] RDX: 00007fbdd88c6fc8 RSI: fffffffffffffeb8 RDI: 0000000000000000
[   10.873259][  T210] RBP: 00007fff30ecf6f0 R08: 0000000000000000 R09: 0000000000008010
[   10.873260][  T210] R10: 00007fff30ecf4b0 R11: 0000000000000246 R12: 0000000000000001
[   10.873261][  T210] R13: 0000000000000000 R14: 00007fbdd8cab680 R15: 00007fbdd8cacfa0
| [   11.416147][    C0]
| [   11.416147][    C0]
| [   11.416147][    C0] stack backtrace:
| [   11.416153][    C0] Tainted: [W]=WARN
[   11.416154][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.416156][    C0] Call Trace:
[   11.416157][    C0]  <IRQ>
[   11.416158][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.416162][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   11.416164][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   11.416166][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   11.416169][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   11.416171][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   11.416173][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   11.416176][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.416177][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   11.416179][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.416181][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.416184][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   11.416185][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   11.416186][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   11.416187][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.416189][    C0]  ? console_flush_one_record (./include/linux/rcupdate.h:314 (discriminator 2) ./include/linux/srcu.h:439 (discriminator 2) kernel/printk/printk.c:291 (discriminator 2) kernel/printk/printk.c:3246 (discriminator 2))
[   11.416190][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.416191][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.416193][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.416195][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.416196][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.416199][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.416200][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.416201][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.416203][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.416205][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.416207][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.416209][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.416210][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.416212][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   11.416214][    C0]  _printk (kernel/printk/printk.c:2504)
[   11.416216][    C0]  ? snapshot_read.cold (user.c:?)
[   11.416218][    C0]  ? clocksource_watchdog.part.0 (kernel/time/clocksource.c:531 (discriminator 1) kernel/time/clocksource.c:608 (discriminator 1) kernel/time/clocksource.c:667 (discriminator 1))
[   11.416219][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.416222][    C0]  clocksource_watchdog.part.0.cold (kernel/time/clocksource.c:589 (discriminator 10) kernel/time/clocksource.c:632 (discriminator 10) kernel/time/clocksource.c:667 (discriminator 10))
[   11.416223][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.416225][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.416233][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   11.416235][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   11.416236][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   11.416239][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.416241][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.416243][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.416244][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   11.416245][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.416248][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   11.416249][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.416252][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.416255][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   11.416256][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   11.416257][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.416260][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.416261][    C0]  handle_softirqs (kernel/softirq.c:645)
[   11.416263][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.416265][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   11.416267][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   11.416269][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   11.416270][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   11.416272][    C0]  </IRQ>
[   11.416272][    C0]  <TASK>
[   11.416273][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.416275][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   11.416276][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   11.416279][    C0] Code: 48 8b 3d 94 e2 f8 01 e8 1f 00 00 00 48 2b 05 58 e3 99 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 d6 16 00 fb f4 <c3> 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 94 e2 f8 01 	mov    0x1f8e294(%rip),%rdi        # 0x1f8e29b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 e3 99 00 	sub    0x99e358(%rip),%rax        # 0x99e36b
  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 13 d6 16 00 	verw   0x16d613(%rip)        # 0x16d63b
  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
[   11.416281][    C0] RSP: 0018:ffffffff96c07cf8 EFLAGS: 00000296
[   11.416283][    C0] RAX: 00000000000651f1 RBX: ffffffff96c1c600 RCX: ffffffff93ced307
[   11.416284][    C0] RDX: ffffffff96c1c600 RSI: ffffffff96a29f9e RDI: ffffffff9648d8e0
[   11.416285][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   11.416286][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2d80fa2
[   11.416287][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   11.416288][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.416291][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.416292][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   11.416293][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   11.416295][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.416296][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   11.416298][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   11.416301][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.416303][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.416304][    C0]  do_idle (kernel/sched/idle.c:355)
[   11.416306][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   11.416307][    C0]  rest_init (init/main.c:727)
[   11.416309][    C0]  ? __cpuidle_text_end (??:?)
[   11.416311][    C0]  ? rest_init (init/main.c:727)
[   11.416313][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   11.416316][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   11.416318][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   11.416321][    C0]  start_kernel (init/main.c:1185)
[   11.416322][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   11.416324][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)


Finger prints:
__irq_exit_rcu:dump_stack_lvl:__kmalloc_noprof:put_chars:hvc_console_print
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable