======================================
| # 116.62 [+0.00] [  786.764636] [T13383] br1: port 1(vx1) entered disabled state
| # 116.62 [+0.00] [  804.215923] [T13712] Mirror/redirect action on
| # 116.62 [+0.00] [  804.234929] [T13711] tc (13711) used greatest stack depth: 23592 bytes left
| # 116.63 [+0.00] [  823.756234] [    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
# 116.64 [+0.01] [  823.756598] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 116.64 [+0.00] [  823.756600] [    C0] Call Trace:
# 116.64 [+0.00] [  823.756601] [    C0]  <IRQ>
# 116.64 [+0.00] [  823.756604] [    C0]  dump_stack_lvl (lib/dump_stack.c:122)
# 116.65 [+0.00] [  823.756613] [    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
# 116.65 [+0.00] [  823.756618] [    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
# 116.65 [+0.00] [  823.756620] [    C0]  ? trace_irq_handler_exit (./include/trace/events/irq.h:83 (discriminator 33))
# 116.65 [+0.00] [  823.756625] [    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
# 116.66 [+0.00] [  823.756629] [    C0]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
# 116.66 [+0.00] [  823.756632] [    C0]  handle_edge_irq (kernel/irq/chip.c:857)
# 116.66 [+0.00] [  823.756636] [    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
# 116.67 [+0.00] [  823.756640] [    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1061 (discriminator 6))
# 116.67 [+0.00] [  823.756643] [    C0]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 49))
# 116.67 [+0.00] [  823.756647] [    C0]  </IRQ>
# 116.67 [+0.00] [  823.756648] [    C0]  <TASK>
# 116.68 [+0.00] [  823.756650] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 116.68 [+0.00] [  823.756652] [    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 116.68 [+0.00] [  823.756656] [    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 a1 e2 e4 fd 48 89 df e8 e9 2d e5 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 c5 d8 fd 65 8b 05 a9 87 0b 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 a1 e2 e4 fd       	call   0xfffffffffde4e2b4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 e9 2d e5 fd       	call   0xfffffffffde52e04
  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 70 c5 d8 fd       	call   0xfffffffffdd8c5a4
  34:	65 8b 05 a9 87 0b 02 	mov    %gs:0x20b87a9(%rip),%eax        # 0x20b87e4
  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 70 c5 d8 fd       	call   0xfffffffffdd8c57a
   a:	65 8b 05 a9 87 0b 02 	mov    %gs:0x20b87a9(%rip),%eax        # 0x20b87ba
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
# 116.69 [+0.01] [  823.756658] [    C0] RSP: 0018:ffa0000004507a70 EFLAGS: 00000246
# 116.70 [+0.00] [  823.756661] [    C0] RAX: 0000000000000082 RBX: ffffffff8f57d560 RCX: ffffffff8c484893
# 116.70 [+0.00] [  823.756662] [    C0] RDX: ff1100000fde44c0 RSI: ffffffff8cd990d3 RDI: ffffffff8c85d0c0
# 116.71 [+0.00] [  823.756663] [    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
# 116.71 [+0.00] [  823.756664] [    C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8f57d668
# 116.71 [+0.00] [  823.756665] [    C0] R13: 0000000000000001 R14: ffffffff8f57d6a0 R15: ff110000093dcc00
# 116.72 [+0.00] [  823.756668] [    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)
# 116.72 [+0.00] [  823.756673] [    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)
# 116.73 [+0.00] [  823.756679] [    C0]  process_output_block (drivers/tty/n_tty.c:561)
# 116.73 [+0.00] [  823.756684] [    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
# 116.73 [+0.00] [  823.756689] [    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
# 116.73 [+0.00] [  823.756691] [    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
# 116.74 [+0.00] [  823.756693] [    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 116.74 [+0.00] [  823.756697] [    C0]  ? lock_acquire (kernel/locking/lockdep.c:5833)
# 116.74 [+0.00] [  823.756699] [    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
# 116.75 [+0.00] [  823.756703] [    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 116.75 [+0.00] [  823.756706] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 116.75 [+0.00] [  823.756710] [    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
# 116.75 [+0.00] [  823.756712] [    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
# 116.76 [+0.00] [  823.756714] [    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
# 116.76 [+0.00] [  823.756717] [    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
# 116.76 [+0.00] [  823.756721] [    C0]  ? new_sync_read (fs/read_write.c:584)
# 116.77 [+0.00] [  823.756722] [    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
# 116.77 [+0.00] [  823.756730] [    C0]  vfs_write (fs/read_write.c:686)
# 116.77 [+0.00] [  823.756732] [    C0]  ? vfs_read (fs/read_write.c:572)
# 116.77 [+0.00] [  823.756736] [    C0]  ksys_write (fs/read_write.c:739)
# 116.78 [+0.00] [  823.756739] [    C0]  ? __ia32_sys_read (fs/read_write.c:728)
# 116.78 [+0.00] [  823.756741] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 116.78 [+0.00] [  823.756744] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 116.78 [+0.00] [  823.756747] [    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
# 116.79 [+0.00] [  823.756750] [    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
# 116.79 [+0.00] [  823.756751] [    C0] RIP: 0033:0x7f47c0782c5e
# 116.79 [+0.00] [  823.756755] [    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
# 116.80 [+0.01] [  823.756756] [    C0] RSP: 002b:00007ffe696ec060 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
# 116.81 [+0.00] [  823.756757] [    C0] RAX: ffffffffffffffda RBX: 0000557ea33c2390 RCX: 00007f47c0782c5e
# 116.81 [+0.00] [  823.756758] [    C0] RDX: 0000000000000001 RSI: 0000557ea33c2390 RDI: 0000000000000001
# 116.82 [+0.00] [  823.756759] [    C0] RBP: 00007ffe696ec070 R08: 0000000000000000 R09: 0000000000000000
# 116.82 [+0.00] [  823.756760] [    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
# 116.83 [+0.00] [  823.756760] [    C0] R13: 0000557ea3383010 R14: 0000000000000001 R15: 0000557ea33c2390
| 0
| xx__-> [  804.215923][T13712] Mirror/redirect action on
| [  804.234929][T13711] tc (13711) used greatest stack depth: 23592 bytes left
| [  823.756234][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  823.756598][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  823.756600][    C0] Call Trace:
[  823.756601][    C0]  <IRQ>
[  823.756604][    C0]  dump_stack_lvl (lib/dump_stack.c:122)
[  823.756613][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[  823.756618][    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
[  823.756620][    C0]  ? trace_irq_handler_exit (./include/trace/events/irq.h:83 (discriminator 33))
[  823.756625][    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
[  823.756629][    C0]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
[  823.756632][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[  823.756636][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
[  823.756640][    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1061 (discriminator 6))
[  823.756643][    C0]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 49))
[  823.756647][    C0]  </IRQ>
[  823.756648][    C0]  <TASK>
[  823.756650][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  823.756652][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  823.756656][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 a1 e2 e4 fd 48 89 df e8 e9 2d e5 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 c5 d8 fd 65 8b 05 a9 87 0b 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 a1 e2 e4 fd       	call   0xfffffffffde4e2b4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 e9 2d e5 fd       	call   0xfffffffffde52e04
  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 70 c5 d8 fd       	call   0xfffffffffdd8c5a4
  34:	65 8b 05 a9 87 0b 02 	mov    %gs:0x20b87a9(%rip),%eax        # 0x20b87e4
  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 70 c5 d8 fd       	call   0xfffffffffdd8c57a
   a:	65 8b 05 a9 87 0b 02 	mov    %gs:0x20b87a9(%rip),%eax        # 0x20b87ba
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  823.756658][    C0] RSP: 0018:ffa0000004507a70 EFLAGS: 00000246
[  823.756661][    C0] RAX: 0000000000000082 RBX: ffffffff8f57d560 RCX: ffffffff8c484893
[  823.756662][    C0] RDX: ff1100000fde44c0 RSI: ffffffff8cd990d3 RDI: ffffffff8c85d0c0
[  823.756663][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
[  823.756664][    C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8f57d668
[  823.756665][    C0] R13: 0000000000000001 R14: ffffffff8f57d6a0 R15: ff110000093dcc00
[  823.756668][    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)
[  823.756673][    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)
[  823.756679][    C0]  process_output_block (drivers/tty/n_tty.c:561)
[  823.756684][    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
[  823.756689][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
[  823.756691][    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
[  823.756693][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[  823.756697][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5833)
[  823.756699][    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
[  823.756703][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[  823.756706][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  823.756710][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
[  823.756712][    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
[  823.756714][    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
[  823.756717][    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
[  823.756721][    C0]  ? new_sync_read (fs/read_write.c:584)
[  823.756722][    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
[  823.756730][    C0]  vfs_write (fs/read_write.c:686)
[  823.756732][    C0]  ? vfs_read (fs/read_write.c:572)
[  823.756736][    C0]  ksys_write (fs/read_write.c:739)
[  823.756739][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[  823.756741][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  823.756744][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  823.756747][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  823.756750][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  823.756751][    C0] RIP: 0033:0x7f47c0782c5e
[  823.756755][    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
[  823.756756][    C0] RSP: 002b:00007ffe696ec060 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  823.756757][    C0] RAX: ffffffffffffffda RBX: 0000557ea33c2390 RCX: 00007f47c0782c5e
[  823.756758][    C0] RDX: 0000000000000001 RSI: 0000557ea33c2390 RDI: 0000000000000001
[  823.756759][    C0] RBP: 00007ffe696ec070 R08: 0000000000000000 R09: 0000000000000000
[  823.756760][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


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