======================================
| [   15.924069][    C0]
| [   15.924069][    C0]
| [   15.924069][    C0] stack backtrace:
| [   15.924076][    C0] Tainted: [W]=WARN
[   15.924077][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.924078][    C0] Call Trace:
[   15.924080][    C0]  <IRQ>
[   15.924081][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.924085][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   15.924087][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   15.924089][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   15.924092][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   15.924093][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   15.924095][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   15.924097][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   15.924099][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.924101][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924104][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.924106][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.924108][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   15.924109][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   15.924111][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.924113][    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))
[   15.924115][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924117][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.924119][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.924121][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.924122][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.924125][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.924126][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.924128][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924130][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.924132][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.924133][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.924135][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.924137][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.924140][    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))
[   15.924141][    C0]  _printk (kernel/printk/printk.c:2504)
[   15.924143][    C0]  ? snapshot_read.cold (user.c:?)
[   15.924145][    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))
[   15.924147][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.924153][    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))
[   15.924155][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.924157][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.924158][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   15.924160][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   15.924162][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   15.924165][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.924167][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.924169][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924171][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   15.924173][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.924175][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   15.924177][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.924179][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.924182][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   15.924183][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   15.924185][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.924187][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924189][    C0]  handle_softirqs (kernel/softirq.c:645)
[   15.924191][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.924192][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.924194][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   15.924196][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   15.924197][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.924198][    C0]  </IRQ>
[   15.924199][    C0]  <TASK>
[   15.924200][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   15.924201][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   15.924203][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   15.924205][    C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 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 12 06 02 	mov    0x2061294(%rip),%rdi        # 0x206129b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 13 a0 00 	sub    0xa01358(%rip),%rax        # 0xa0136b
  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 b6 17 00 	verw   0x17b613(%rip)        # 0x17b63b
  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
[   15.924207][    C0] RSP: 0018:ffffffff95a07cf8 EFLAGS: 00000296
[   15.924209][    C0] RAX: 0000000000057489 RBX: ffffffff95a2c600 RCX: ffffffff928fa307
[   15.924210][    C0] RDX: ffffffff95a2c600 RSI: ffffffff95878e7e RDI: ffffffff9528dce0
[   15.924211][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   15.924212][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2b40fa2
[   15.924213][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   15.924214][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.924216][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.924218][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   15.924219][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   15.924220][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.924222][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   15.924223][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   15.924226][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924228][    C0]  do_idle (kernel/sched/idle.c:355)
[   15.924229][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   15.924230][    C0]  rest_init (init/main.c:727)
[   15.924232][    C0]  ? __cpuidle_text_end (??:?)
[   15.924234][    C0]  ? rest_init (init/main.c:727)
[   15.924236][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   15.924239][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   15.924241][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   15.924244][    C0]  start_kernel (init/main.c:1185)
[   15.924246][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   15.924248][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   15.924250][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   15.924268][    C0] softirqs last disabled at (357515): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   15.924269][    C0] Preemption disabled at:
| [   15.924270][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   15.924275][    C0] Tainted: [W]=WARN
[   15.924275][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.924276][    C0] Call Trace:
[   15.924277][    C0]  <IRQ>
[   15.924277][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   15.924279][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   15.924281][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   15.924283][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   15.924286][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924289][    C0]  __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))
[   15.924290][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.924292][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.924294][    C0]  ? 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)
[   15.924295][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   15.924297][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   15.924299][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   15.924301][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   15.924303][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   15.924306][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   15.924307][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924309][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924311][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   15.924313][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   15.924315][    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))
[   15.924317][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924319][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   15.924321][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   15.924323][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   15.924325][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.924327][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   15.924329][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   15.924330][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924332][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   15.924334][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   15.924336][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   15.924337][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   15.924340][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   15.924342][    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))
[   15.924344][    C0]  _printk (kernel/printk/printk.c:2504)
[   15.924345][    C0]  ? snapshot_read.cold (user.c:?)
[   15.924347][    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))
[   15.924349][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.924351][    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))
[   15.924352][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.924354][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.924356][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   15.924358][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   15.924359][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   15.924361][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   15.924362][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.924364][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924366][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   15.924368][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   15.924370][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   15.924372][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   15.924375][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   15.924377][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   15.924379][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   15.924380][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.924382][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924383][    C0]  handle_softirqs (kernel/softirq.c:645)
[   15.924385][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   15.924387][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   15.924389][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   15.924390][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   15.924391][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   15.924393][    C0]  </IRQ>
[   15.924393][    C0]  <TASK>
[   15.924394][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   15.924395][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   15.924397][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   15.924398][    C0] Code: 48 8b 3d 94 12 06 02 e8 1f 00 00 00 48 2b 05 58 13 a0 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 13 b6 17 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 12 06 02 	mov    0x2061294(%rip),%rdi        # 0x206129b
   7:	e8 1f 00 00 00       	call   0x2b
   c:	48 2b 05 58 13 a0 00 	sub    0xa01358(%rip),%rax        # 0xa0136b
  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 b6 17 00 	verw   0x17b613(%rip)        # 0x17b63b
  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
[   15.924400][    C0] RSP: 0018:ffffffff95a07cf8 EFLAGS: 00000296
[   15.924401][    C0] RAX: 0000000000057489 RBX: ffffffff95a2c600 RCX: ffffffff928fa307
[   15.924402][    C0] RDX: ffffffff95a2c600 RSI: ffffffff95878e7e RDI: ffffffff9528dce0
[   15.924402][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   15.924403][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff2b40fa2
[   15.924404][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   15.924405][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.924407][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   15.924408][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   15.924410][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   15.924411][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   15.924413][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   15.924414][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   15.924416][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   15.924418][    C0]  do_idle (kernel/sched/idle.c:355)
[   15.924419][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   15.924421][    C0]  rest_init (init/main.c:727)
[   15.924422][    C0]  ? __cpuidle_text_end (??:?)
[   15.924425][    C0]  ? rest_init (init/main.c:727)
[   15.924426][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   15.924428][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   15.924430][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   15.924431][    C0]  start_kernel (init/main.c:1185)
[   15.924434][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   15.924435][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   15.924437][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   27.087736][   T12] softirqs last disabled at (7356): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   27.087740][   T12] Preemption disabled at:
| [   27.087741][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   27.087752][   T12] Tainted: [W]=WARN
[   27.087753][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.087755][   T12] Workqueue: krds_cp_wq#1/6 rds_shutdown_worker
[   27.087760][   T12] Call Trace:
[   27.087761][   T12]  <TASK>
[   27.087763][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   27.087768][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   27.087770][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   27.087773][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   27.087776][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   27.087778][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087782][   T12]  __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))
[   27.087786][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.087789][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.087792][   T12]  ? 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)
[   27.087794][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   27.087796][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   27.087798][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   27.087799][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   27.087801][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   27.087804][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   27.087807][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   27.087809][   T12]  ? 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)
[   27.087810][   T12]  ? vsnprintf (lib/vsprintf.c:2900)
[   27.087812][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.087814][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087816][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.087818][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   27.087820][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   27.087822][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087824][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087825][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087827][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.087829][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   27.087830][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   27.087833][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   27.087835][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   27.087837][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.087839][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   27.087840][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087842][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   27.087843][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   27.087845][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   27.087847][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   27.087848][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   27.087850][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   27.087852][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   27.087854][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087856][   T12]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   27.087858][   T12]  ? try_to_grab_pending (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 kernel/workqueue.c:2158)
[   27.087861][   T12]  __rds_conn_path_error (net/rds/connection.c:999)
[   27.087864][   T12]  ? rds_check_all_paths (net/rds/connection.c:983)
[   27.087865][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.087867][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087869][   T12]  ? rds_conn_shutdown (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 net/rds/connection.c:401)
[   27.087870][   T12]  rds_conn_shutdown (net/rds/connection.c:401 (discriminator 1))
[   27.087872][   T12]  ? __rds_conn_path_error (net/rds/connection.c:1003)
[   27.087873][   T12]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   27.087877][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087879][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087880][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   27.087882][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   27.087884][   T12]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   27.087885][   T12]  process_one_work (kernel/workqueue.c:3387)
[   27.087888][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   27.087890][   T12]  ? kthread_data (kernel/kthread.c:236 (discriminator 1))
[   27.087893][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   27.087895][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   27.087897][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   27.087899][   T12]  kthread (kernel/kthread.c:436)
[   27.087901][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.087903][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.087905][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.087908][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   27.087909][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.087912][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   27.087914][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   34.317348][   T69] softirqs last disabled at (14970): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   34.317352][   T69] Preemption disabled at:
| [   34.317352][   T69] vprintk_emit (kernel/printk/printk.c:2471)
| [   34.317364][   T69] Tainted: [W]=WARN
[   34.317365][   T69] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   34.317367][   T69] Workqueue: krds_cp_wq#1/3 rds_shutdown_worker
[   34.317371][   T69] Call Trace:
[   34.317373][   T69]  <TASK>
[   34.317375][   T69]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   34.317380][   T69]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   34.317382][   T69]  __might_resched.cold (kernel/sched/core.c:9234)
[   34.317386][   T69]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   34.317389][   T69]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   34.317390][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317394][   T69]  __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))
[   34.317397][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.317400][   T69]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.317403][   T69]  ? 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)
[   34.317405][   T69]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   34.317407][   T69]  put_chars (drivers/char/virtio_console.c:1176)
[   34.317409][   T69]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   34.317410][   T69]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   34.317412][   T69]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   34.317414][   T69]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   34.317418][   T69]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   34.317419][   T69]  ? 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)
[   34.317421][   T69]  ? vsnprintf (lib/vsprintf.c:2900)
[   34.317423][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.317424][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317426][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.317428][   T69]  console_emit_next_record (kernel/printk/printk.c:3183)
[   34.317431][   T69]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   34.317432][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317434][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317436][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317437][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.317439][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   34.317441][   T69]  console_flush_one_record (kernel/printk/printk.c:3268)
[   34.317443][   T69]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   34.317445][   T69]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   34.317447][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.317448][   T69]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   34.317450][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317451][   T69]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.317453][   T69]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   34.317454][   T69]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   34.317456][   T69]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   34.317458][   T69]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   34.317460][   T69]  vprintk_emit (kernel/printk/printk.c:2479)
[   34.317462][   T69]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   34.317464][   T69]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   34.317465][   T69]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   34.317467][   T69]  ? __queue_work (./include/linux/rcupdate.h:882 kernel/workqueue.c:2459)
[   34.317470][   T69]  __rds_conn_path_error (net/rds/connection.c:999)
[   34.317473][   T69]  ? rds_check_all_paths (net/rds/connection.c:983)
[   34.317474][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.317476][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317478][   T69]  ? rds_conn_shutdown (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 net/rds/connection.c:401)
[   34.317479][   T69]  rds_conn_shutdown (net/rds/connection.c:401 (discriminator 1))
[   34.317481][   T69]  ? __rds_conn_path_error (net/rds/connection.c:1003)
[   34.317482][   T69]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   34.317486][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317488][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317489][   T69]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   34.317491][   T69]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   34.317493][   T69]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   34.317495][   T69]  process_one_work (kernel/workqueue.c:3387)
[   34.317497][   T69]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   34.317500][   T69]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   34.317502][   T69]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   34.317505][   T69]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   34.317506][   T69]  kthread (kernel/kthread.c:436)
[   34.317509][   T69]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   34.317511][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   34.317513][   T69]  ret_from_fork (arch/x86/kernel/process.c:158)
[   34.317516][   T69]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   34.317517][   T69]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   34.317520][   T69]  ? kthread_affine_preferred (kernel/kthread.c:857)


Finger prints:
mark_lock_irq:mark_lock:mark_usage:__lock_acquire:console_lock_spinning_enable
__irq_exit_rcu:schedule_preempt_disabled:dump_stack_lvl:__kmalloc_noprof:put_chars
release_sock:vprintk_emit:dump_stack_lvl:__kmalloc_noprof:put_chars