======================================
| 0
| xx__-> [  347.528830][ T3502] Mirror/redirect action on
| [  501.857172][    C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 3476024669 wd_nsec: 3476023421
| [  514.549116][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  514.549655][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  514.549657][    C0] Call Trace:
[  514.549659][    C0]  <IRQ>
[  514.549660][    C0]  dump_stack_lvl (lib/dump_stack.c:122)
[  514.549669][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[  514.549674][    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
[  514.549676][    C0]  ? serial8250_get_port (drivers/tty/serial/8250/8250_core.c:74)
[  514.549680][    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
[  514.549687][    C0]  handle_irq_event (kernel/irq/handle.c:253 kernel/irq/handle.c:265)
[  514.549690][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[  514.549694][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:329)
[  514.549698][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  514.549703][    C0]  </IRQ>
[  514.549704][    C0]  <TASK>
[  514.549705][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  514.549708][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  514.549712][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 27 df fd 48 89 df e8 f9 78 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 cf d2 fd 65 8b 05 c9 d1 05 02 85 c0 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 91 27 df fd       	call   0xfffffffffddf27a4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 f9 78 df fd       	call   0xfffffffffddf7914
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 30 cf d2 fd       	call   0xfffffffffdd2cf64
  34:	65 8b 05 c9 d1 05 02 	mov    %gs:0x205d1c9(%rip),%eax        # 0x205d204
  3b:	85 c0                	test   %eax,%eax
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 30 cf d2 fd       	call   0xfffffffffdd2cf3a
   a:	65 8b 05 c9 d1 05 02 	mov    %gs:0x205d1c9(%rip),%eax        # 0x205d1da
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  514.549714][    C0] RSP: 0018:ffa000000265fa70 EFLAGS: 00000246
[  514.549717][    C0] RAX: 0000000000000082 RBX: ffffffff9af8f520 RCX: ffffffff97ef0e73
[  514.549718][    C0] RDX: ff11000009a74540 RSI: ffffffff987b530d RDI: ffffffff9826ae80
[  514.549719][    C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[  514.549720][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff9af8f628
[  514.549721][    C0] R13: 0000000000000001 R14: ffffffff9af8f660 R15: ff11000004cf7000
[  514.549724][    C0]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[  514.549729][    C0]  uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:634)
[  514.549733][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[  514.549739][    C0]  n_tty_write (drivers/tty/n_tty.c:2367)
[  514.549741][    C0]  ? _copy_from_iter (./arch/x86/include/asm/smap.h:47 ./arch/x86/include/asm/uaccess_64.h:121 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:67 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[  514.549747][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2337)
[  514.549749][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1126 (discriminator 1))
[  514.549752][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[  514.549756][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  514.549759][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  514.549763][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[  514.549767][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  514.549770][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
[  514.549772][    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
[  514.549774][    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
[  514.549778][    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
[  514.549781][    C0]  ? new_sync_read (fs/read_write.c:584)
[  514.549783][    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
[  514.549791][    C0]  vfs_write (fs/read_write.c:686)
[  514.549794][    C0]  ? vfs_read (fs/read_write.c:572)
[  514.549797][    C0]  ksys_write (fs/read_write.c:739)
[  514.549800][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[  514.549803][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  514.549807][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  514.549810][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[  514.549812][    C0] RIP: 0033:0x7f471437bc5e
[  514.549815][    C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 14 bd 00 00       	call   0xbd1c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 13 ff ff ff       	call   0xffffffffffffff4c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[  514.549816][    C0] RSP: 002b:00007ffd9f182420 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  514.549818][    C0] RAX: ffffffffffffffda RBX: 00005632e9d884f0 RCX: 00007f471437bc5e
[  514.549819][    C0] RDX: 0000000000000001 RSI: 00005632e9d884f0 RDI: 0000000000000001
[  514.549819][    C0] RBP: 00007ffd9f182430 R08: 0000000000000000 R09: 0000000000000000
[  514.549820][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


Finger prints:
__report_bad_irq:handle_irq_event:handle_edge_irq:__common_interrupt:common_interrupt