======================================
| [   11.902184][    C0]
| [   11.902184][    C0]
| [   11.902184][    C0] stack backtrace:
| [   11.902190][    C0] Tainted: [W]=WARN
[   11.902191][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.902193][    C0] Call Trace:
[   11.902194][    C0]  <IRQ>
[   11.902195][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.902199][    C0]  print_irq_inversion_bug.part.0.cold (kernel/locking/lockdep.c:4141)
[   11.902202][    C0]  mark_lock_irq (kernel/locking/lockdep.c:4095 kernel/locking/lockdep.c:4174 kernel/locking/lockdep.c:4310)
[   11.902203][    C0]  ? add_lock_to_list (./include/linux/find.h:391 kernel/locking/lockdep.c:1419 kernel/locking/lockdep.c:1450)
[   11.902206][    C0]  mark_lock (kernel/locking/lockdep.c:4769)
[   11.902208][    C0]  mark_usage (kernel/locking/lockdep.c:4658)
[   11.902209][    C0]  __lock_acquire (kernel/locking/lockdep.c:5208)
[   11.902212][    C0]  lock_acquire.part.0 (kernel/locking/lockdep.c:5908 (discriminator 2))
[   11.902213][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   11.902215][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902218][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.902220][    C0]  console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   11.902222][    C0]  ? console_lock_spinning_enable (kernel/printk/printk.c:1902 (discriminator 2))
[   11.902224][    C0]  console_emit_next_record (kernel/printk/printk.c:3177)
[   11.902226][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.902227][    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))
[   11.902229][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902231][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.902233][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.902235][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.902237][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.902239][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.902241][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.902242][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902244][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.902246][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.902248][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.902250][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.902252][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.902254][    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))
[   11.902256][    C0]  _printk (kernel/printk/printk.c:2504)
[   11.902258][    C0]  ? snapshot_read.cold (user.c:?)
[   11.902259][    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))
[   11.902261][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.902263][    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))
[   11.902265][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.902266][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.902268][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   11.902270][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   11.902272][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   11.902275][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.902277][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.902279][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902281][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   11.902283][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.902285][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   11.902287][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.902289][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.902292][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   11.902294][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   11.902295][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.902298][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902300][    C0]  handle_softirqs (kernel/softirq.c:645)
[   11.902301][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.902303][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   11.902305][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   11.902306][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   11.902308][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   11.902309][    C0]  </IRQ>
[   11.902310][    C0]  <TASK>
[   11.902310][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.902312][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   11.902313][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   11.902316][    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
[   11.902317][    C0] RSP: 0018:ffffffffa5807cf8 EFLAGS: 00000296
[   11.902319][    C0] RAX: 000000000005a2f7 RBX: ffffffffa582c600 RCX: ffffffffa26fa307
[   11.902321][    C0] RDX: ffffffffa582c600 RSI: ffffffffa5678e7e RDI: ffffffffa508dce0
[   11.902322][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   11.902322][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4b00fa2
[   11.902323][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   11.902325][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.902327][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.902328][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   11.902329][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   11.902331][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.902332][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   11.902334][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   11.902337][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902339][    C0]  do_idle (kernel/sched/idle.c:355)
[   11.902340][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   11.902341][    C0]  rest_init (init/main.c:727)
[   11.902343][    C0]  ? __cpuidle_text_end (??:?)
[   11.902345][    C0]  ? rest_init (init/main.c:727)
[   11.902347][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   11.902350][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   11.902352][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   11.902355][    C0]  start_kernel (init/main.c:1185)
[   11.902358][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   11.902359][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   11.902361][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   11.902380][    C0] softirqs last disabled at (369401): __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
| [   11.902381][    C0] Preemption disabled at:
| [   11.902382][    C0] schedule_preempt_disabled (kernel/sched/core.c:7420)
| [   11.902387][    C0] Tainted: [W]=WARN
[   11.902387][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.902388][    C0] Call Trace:
[   11.902388][    C0]  <IRQ>
[   11.902389][    C0]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   11.902391][    C0]  ? schedule_preempt_disabled (kernel/sched/core.c:7420)
[   11.902392][    C0]  __might_resched.cold (kernel/sched/core.c:9234)
[   11.902395][    C0]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   11.902398][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902400][    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))
[   11.902402][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.902403][    C0]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.902405][    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)
[   11.902407][    C0]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   11.902409][    C0]  put_chars (drivers/char/virtio_console.c:1176)
[   11.902411][    C0]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   11.902413][    C0]  ? mark_lock (kernel/locking/lockdep.c:4769)
[   11.902415][    C0]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   11.902418][    C0]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   11.902419][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902421][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902423][    C0]  console_emit_next_record (kernel/printk/printk.c:3183)
[   11.902425][    C0]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   11.902427][    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))
[   11.902429][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902431][    C0]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   11.902433][    C0]  console_flush_one_record (kernel/printk/printk.c:3268)
[   11.902435][    C0]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   11.902436][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.902438][    C0]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   11.902440][    C0]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   11.902442][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902444][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   11.902445][    C0]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   11.902447][    C0]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   11.902449][    C0]  vprintk_emit (kernel/printk/printk.c:2479)
[   11.902451][    C0]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   11.902453][    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))
[   11.902455][    C0]  _printk (kernel/printk/printk.c:2504)
[   11.902457][    C0]  ? snapshot_read.cold (user.c:?)
[   11.902459][    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))
[   11.902460][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.902462][    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))
[   11.902464][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.902465][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.902467][    C0]  call_timer_fn (kernel/time/timer.c:1748)
[   11.902469][    C0]  ? detach_if_pending (./include/linux/list.h:1159)
[   11.902471][    C0]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   11.902472][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5367)
[   11.902474][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.902476][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902478][    C0]  __run_timers (kernel/time/timer.c:1799 kernel/time/timer.c:2374)
[   11.902479][    C0]  ? clocksource_watchdog.part.0 (./include/linux/find.h:67 (discriminator 4))
[   11.902482][    C0]  ? __bpf_trace_itimer_expire (./include/trace/events/timer.h:407)
[   11.902483][    C0]  ? __lock_acquire (kernel/locking/lockdep.c:5254)
[   11.902486][    C0]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   11.902488][    C0]  run_timer_softirq (kernel/time/timer.c:2386 kernel/time/timer.c:2395 kernel/time/timer.c:2403)
[   11.902490][    C0]  ? __run_timers (./include/trace/events/timer.h:138 (discriminator 19))
[   11.902492][    C0]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.902493][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902495][    C0]  handle_softirqs (kernel/softirq.c:645)
[   11.902496][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5554)
[   11.902498][    C0]  ? _local_bh_enable (kernel/softirq.c:428 (discriminator 1))
[   11.902500][    C0]  __irq_exit_rcu (kernel/softirq.c:679 kernel/softirq.c:519 kernel/softirq.c:767)
[   11.902501][    C0]  irq_exit_rcu (kernel/softirq.c:784)
[   11.902503][    C0]  sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1062 (discriminator 37) arch/x86/kernel/apic/apic.c:1062 (discriminator 37))
[   11.902504][    C0]  </IRQ>
[   11.902504][    C0]  <TASK>
[   11.902505][    C0]  ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:470 (discriminator 2) kernel/locking/lockdep.c:4427 (discriminator 2))
[   11.902506][    C0]  asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:674)
[   11.902508][    C0] RIP: 0010:pv_native_safe_halt (./arch/x86/include/asm/irqflags.h:48 arch/x86/kernel/paravirt.c:63)
[   11.902509][    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
[   11.902510][    C0] RSP: 0018:ffffffffa5807cf8 EFLAGS: 00000296
[   11.902511][    C0] RAX: 000000000005a2f7 RBX: ffffffffa582c600 RCX: ffffffffa26fa307
[   11.902512][    C0] RDX: ffffffffa582c600 RSI: ffffffffa5678e7e RDI: ffffffffa508dce0
[   11.902513][    C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[   11.902514][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff4b00fa2
[   11.902514][    C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770
[   11.902516][    C0]  ? cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.902518][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4488)
[   11.902519][    C0]  default_idle (./arch/x86/include/asm/paravirt.h:62 arch/x86/kernel/process.c:768)
[   11.902520][    C0]  default_idle_call (kernel/sched/idle.c:122)
[   11.902522][    C0]  cpuidle_idle_call.constprop.0 (kernel/sched/idle.c:199)
[   11.902523][    C0]  ? arch_cpu_idle_exit+0x40/0x40
[   11.902525][    C0]  ? mark_tsc_async_resets (arch/x86/kernel/tsc_sync.c:49)
[   11.902526][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   11.902528][    C0]  do_idle (kernel/sched/idle.c:355)
[   11.902529][    C0]  cpu_startup_entry (kernel/sched/idle.c:454)
[   11.902531][    C0]  rest_init (init/main.c:727)
[   11.902532][    C0]  ? __cpuidle_text_end (??:?)
[   11.902535][    C0]  ? rest_init (init/main.c:727)
[   11.902536][    C0]  ? acpi_hw_set_mode (drivers/acpi/acpica/hwacpi.c:72 (discriminator 1))
[   11.902538][    C0]  ? cpus_read_unlock (./include/linux/percpu-rwsem.h:125 (discriminator 1) kernel/cpu.c:502 (discriminator 1))
[   11.902539][    C0]  ? acpi_enable (drivers/acpi/acpica/evxfevnt.c:47)
[   11.902541][    C0]  start_kernel (init/main.c:1185)
[   11.902544][    C0]  x86_64_start_reservations (arch/x86/kernel/head64.c:310)
[   11.902545][    C0]  x86_64_start_kernel (arch/x86/kernel/head64.c:291)
[   11.902547][    C0]  common_startup_64 (arch/x86/kernel/head_64.S:418)
| [   17.951700][   T12] softirqs last disabled at (13750): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   17.951703][   T12] Preemption disabled at:
| [   17.951704][   T12] vprintk_emit (kernel/printk/printk.c:2471)
| [   17.951716][   T12] Tainted: [W]=WARN
[   17.951717][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   17.951719][   T12] Workqueue: krds_cp_wq#1/6 rds_shutdown_worker
[   17.951731][   T12] Call Trace:
[   17.951733][   T12]  <TASK>
[   17.951734][   T12]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   17.951740][   T12]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   17.951741][   T12]  __might_resched.cold (kernel/sched/core.c:9234)
[   17.951745][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   17.951748][   T12]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   17.951750][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951754][   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))
[   17.951758][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.951760][   T12]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.951764][   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)
[   17.951766][   T12]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   17.951768][   T12]  put_chars (drivers/char/virtio_console.c:1176)
[   17.951770][   T12]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   17.951771][   T12]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   17.951773][   T12]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   17.951775][   T12]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   17.951779][   T12]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   17.951780][   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)
[   17.951782][   T12]  ? vsnprintf (lib/vsprintf.c:2900)
[   17.951784][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.951785][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951787][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.951789][   T12]  console_emit_next_record (kernel/printk/printk.c:3183)
[   17.951792][   T12]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   17.951794][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951795][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951797][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951799][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.951800][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   17.951802][   T12]  console_flush_one_record (kernel/printk/printk.c:3268)
[   17.951804][   T12]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   17.951807][   T12]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   17.951809][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.951810][   T12]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   17.951812][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951813][   T12]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   17.951815][   T12]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   17.951816][   T12]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   17.951818][   T12]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   17.951820][   T12]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   17.951822][   T12]  vprintk_emit (kernel/printk/printk.c:2479)
[   17.951824][   T12]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   17.951826][   T12]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   17.951829][   T12]  __rds_conn_path_error (net/rds/connection.c:999)
[   17.951831][   T12]  ? rds_check_all_paths (net/rds/connection.c:983)
[   17.951833][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.951835][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951837][   T12]  ? rds_conn_shutdown (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 net/rds/connection.c:401)
[   17.951838][   T12]  rds_conn_shutdown (net/rds/connection.c:401 (discriminator 1))
[   17.951840][   T12]  ? __rds_conn_path_error (net/rds/connection.c:1003)
[   17.951841][   T12]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   17.951845][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951849][   T12]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   17.951850][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   17.951852][   T12]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   17.951855][   T12]  process_one_work (kernel/workqueue.c:3387)
[   17.951858][   T12]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   17.951860][   T12]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   17.951863][   T12]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   17.951866][   T12]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   17.951867][   T12]  kthread (kernel/kthread.c:436)
[   17.951870][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   17.951872][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   17.951874][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   17.951877][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   17.951879][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   17.951881][   T12]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   17.951883][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.974421][  T236] softirqs last disabled at (6936): release_sock (./include/linux/spinlock.h:353 net/core/sock.c:3858)
| [   25.974425][  T236] Preemption disabled at:
| [   25.974426][  T236] vprintk_emit (kernel/printk/printk.c:2471)
| [   25.974438][  T236] Tainted: [W]=WARN
[   25.974439][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.974441][  T236] Workqueue: krds_cp_wq#1/5 rds_shutdown_worker
[   25.974446][  T236] Call Trace:
[   25.974447][  T236]  <TASK>
[   25.974449][  T236]  dump_stack_lvl (lib/dump_stack.c:94 lib/dump_stack.c:120)
[   25.974455][  T236]  ? vprintk_emit (kernel/printk/printk.c:2471)
[   25.974457][  T236]  __might_resched.cold (kernel/sched/core.c:9234)
[   25.974461][  T236]  ? perf_trace_sched_switch (./include/linux/list.h:1037 (discriminator 3))
[   25.974464][  T236]  ? prb_next_reserve_seq (kernel/printk/printk_ringbuffer.c:2128)
[   25.974466][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974470][  T236]  __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))
[   25.974473][  T236]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.974476][  T236]  ? alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.974480][  T236]  ? 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)
[   25.974482][  T236]  alloc_buf.isra.0 (./include/linux/slab.h:995 drivers/char/virtio_console.c:429)
[   25.974484][  T236]  put_chars (drivers/char/virtio_console.c:1176)
[   25.974486][  T236]  ? prb_final_commit (kernel/printk/printk_ringbuffer.c:1842)
[   25.974487][  T236]  ? __send_to_port (drivers/char/virtio_console.c:654)
[   25.974489][  T236]  ? printk_get_next_message (kernel/printk/printk.c:3072)
[   25.974492][  T236]  hvc_console_print (drivers/tty/hvc/hvc_console.c:177 (discriminator 2))
[   25.974495][  T236]  ? hvc_write (drivers/tty/hvc/hvc_console.c:501)
[   25.974497][  T236]  ? 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)
[   25.974498][  T236]  ? vsnprintf (lib/vsprintf.c:2900)
[   25.974500][  T236]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.974502][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974504][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.974506][  T236]  console_emit_next_record (kernel/printk/printk.c:3183)
[   25.974509][  T236]  ? devkmsg_read (./arch/x86/include/asm/atomic64_64.h:20)
[   25.974511][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974513][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974514][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974516][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.974518][  T236]  ? console_flush_one_record (kernel/printk/printk.c:3247)
[   25.974520][  T236]  console_flush_one_record (kernel/printk/printk.c:3268)
[   25.974522][  T236]  ? console_emit_next_record (kernel/printk/printk.c:3150)
[   25.974525][  T236]  console_unlock (kernel/printk/printk.c:3350 kernel/printk/printk.c:3380 kernel/printk/printk.c:3420)
[   25.974526][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.974528][  T236]  ? console_flush_one_record (kernel/printk/printk.c:3316)
[   25.974530][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974531][  T236]  ? lock_release (./include/trace/events/lock.h:68 (discriminator 22) kernel/locking/lockdep.c:5920 (discriminator 22))
[   25.974533][  T236]  ? lock_acquire (kernel/locking/lockdep.c:5913)
[   25.974534][  T236]  ? __rcu_read_lock (kernel/rcu/tree_plugin.h:391 (discriminator 6) kernel/rcu/tree_plugin.h:414 (discriminator 6))
[   25.974536][  T236]  ? __down_trylock_console_sem (kernel/printk/printk.c:334)
[   25.974538][  T236]  ? vprintk_emit (kernel/printk/printk.c:2478)
[   25.974540][  T236]  vprintk_emit (kernel/printk/printk.c:2479)
[   25.974543][  T236]  ? wake_up_klogd_work_func (kernel/printk/printk.c:4603 (discriminator 126))
[   25.974545][  T236]  ? ww_mutex_lock (kernel/locking/mutex.c:934)
[   25.974547][  T236]  __rds_conn_path_error (net/rds/connection.c:999)
[   25.974550][  T236]  ? rds_check_all_paths (net/rds/connection.c:983)
[   25.974555][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.974556][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974558][  T236]  ? rds_conn_shutdown (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 net/rds/connection.c:401)
[   25.974560][  T236]  rds_conn_shutdown (net/rds/connection.c:401 (discriminator 1))
[   25.974562][  T236]  ? __rds_conn_path_error (net/rds/connection.c:1003)
[   25.974563][  T236]  ? debug_object_active_state (lib/debugobjects.c:1122)
[   25.974567][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974569][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974571][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974572][  T236]  ? lock_acquire (./include/trace/events/lock.h:23 (discriminator 22) kernel/locking/lockdep.c:5871 (discriminator 22))
[   25.974574][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:753 (discriminator 3))
[   25.974576][  T236]  ? process_one_work (kernel/workqueue.c:3363 (discriminator 2))
[   25.974579][  T236]  process_one_work (kernel/workqueue.c:3387)
[   25.974581][  T236]  ? __queue_delayed_work (kernel/workqueue.c:2622)
[   25.974584][  T236]  ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[   25.974586][  T236]  worker_thread (kernel/workqueue.c:3470 kernel/workqueue.c:3551)
[   25.974589][  T236]  ? rescuer_thread (./include/linux/list.h:419 (discriminator 3))
[   25.974591][  T236]  kthread (kernel/kthread.c:436)
[   25.974594][  T236]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.974596][  T236]  ? kthread_affine_preferred (kernel/kthread.c:857)
[   25.974598][  T236]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.974601][  T236]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/vdso/vma.c:80 (discriminator 1))
[   25.974603][  T236]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.974605][  T236]  ? 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