======================================
| # 100.63 [+0.00] [  895.803252] vx10: left promiscuous mode
| # 100.63 [+0.00] [  895.803609] br1: port 1(vx10) entered disabled state
| # 100.63 [+0.00] [  916.759723] Mirror/redirect action on
| # 100.64 [+0.00] [  989.155884] irq 51: nobody cared (try booting with the "irqpoll" option)
# 100.64 [+0.00] [  989.156634] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 100.64 [+0.00] [  989.156912] Call Trace:
# 100.64 [+0.00] [  989.157071]  <IRQ>
# 100.64 [+0.00] [  989.157176] dump_stack_lvl (lib/dump_stack.c:123) 
# 100.64 [+0.00] [  989.157399] __report_bad_irq (kernel/irq/spurious.c:214) 
# 100.65 [+0.00] [  989.157595] note_interrupt (kernel/irq/spurious.c:423) 
# 100.65 [+0.00] [  989.157790] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 100.65 [+0.00] [  989.157993] handle_edge_irq (kernel/irq/chip.c:833) 
# 100.65 [+0.00] [  989.158185] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
# 100.65 [+0.00] [  989.158374] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 100.65 [+0.00] [  989.158561]  </IRQ>
# 100.65 [+0.00] [  989.158658]  <TASK>
# 100.65 [+0.00] [  989.158755] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 100.65 [+0.00] [  989.159033] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 100.66 [+0.00] [ 989.159275] Code: 10 e8 51 9c 8b fd 48 89 ef e8 19 11 8c fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 95 83 13 5b <74> 0e 5b 5d c3 cc cc cc cc e8 8f 55 b1 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	51                   	push   %rcx
   3:	9c                   	pushf
   4:	8b fd                	mov    %ebp,%edi
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 19 11 8c fd       	call   0xfffffffffd8c1127
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d 95 83 13 5b 	decl   %gs:0x5b138395(%rip)        # 0x5b1383bf
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 8f 55 b1 fd       	call   0xfffffffffdb155c7
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 8f 55 b1 fd       	call   0xfffffffffdb1559d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 100.66 [+0.01] [  989.159914] RSP: 0018:ffffc9000ad77aa0 EFLAGS: 00000286
# 100.66 [+0.00] [  989.160171] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff5044f80
# 100.67 [+0.00] [  989.160484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa4f04141
# 100.67 [+0.01] [  989.160760] RBP: ffffffffa8aee800 R08: 0000000000000001 R09: fffffbfff50405ef
# 100.68 [+0.00] [  989.161035] R10: ffffffffa8202f7f R11: ffff888009e12300 R12: 00000000ffffffff
# 100.68 [+0.00] [  989.161312] R13: 0000000000000001 R14: ffffffffa8aee908 R15: 00000000ffffffff
# 100.68 [+0.00] [  989.161604] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 100.68 [+0.00] [  989.161849] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 100.68 [+0.00] [  989.162000] process_output_block (drivers/tty/n_tty.c:574) 
# 100.69 [+0.00] [  989.162186] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 100.69 [+0.00] [  989.162419] n_tty_write (drivers/tty/n_tty.c:2390) 
# 100.69 [+0.00] [  989.162609] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 100.69 [+0.00] [  989.162798] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
# 100.69 [+0.00] [  989.162987] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 100.69 [+0.00] [  989.163172] ? lock_acquire (kernel/locking/lockdep.c:5822) 
# 100.69 [+0.00] [  989.163357] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 100.69 [+0.00] [  989.163549] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 100.70 [+0.00] [  989.163735] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 100.70 [+0.00] [  989.163921] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 100.70 [+0.00] [  989.164120] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 100.70 [+0.00] [  989.164278] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) 
# 100.70 [+0.00] [  989.164461] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
# 100.70 [+0.00] [  989.164644] ? lock_acquire (kernel/locking/lockdep.c:5822) 
# 100.70 [+0.00] [  989.164831] ? __pfx_vfs_write (fs/read_write.c:660) 
# 100.70 [+0.00] [  989.165027] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 37)) 
# 100.71 [+0.00] [  989.165216] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
# 100.71 [+0.00] [  989.165451] ksys_write (fs/read_write.c:731) 
# 100.71 [+0.00] [  989.165599] ? __pfx_ksys_write (fs/read_write.c:721) 
# 100.71 [+0.00] [  989.165793] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 100.71 [+0.00] [  989.165987] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 100.71 [+0.00] [  989.166235] RIP: 0033:0x7f4c83738b77
# 100.71 [+0.00] [ 989.166426] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
# 100.72 [+0.01] [  989.167117] RSP: 002b:00007ffc7394a838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 100.72 [+0.00] [  989.167435] RAX: ffffffffffffffda RBX: 000055c52360f3f0 RCX: 00007f4c83738b77
# 100.72 [+0.00] [  989.167725] RDX: 0000000000000001 RSI: 000055c52360f3f0 RDI: 0000000000000001
# 100.72 [+0.00] [  989.168003] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 100.73 [+0.00] [  989.168303] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c5235fa5e0
# 100.73 [+0.00] [  989.168576] R13: 000055c5235db2a0 R14: 0000000000000001 R15: 000055c5235fa5e0
| xx__-> echo $?
| 0
| xx__-> [  916.759723][T10784] Mirror/redirect action on
| [  989.155884][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  989.156634][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  989.156912][    C0] Call Trace:
[  989.157071][    C0]  <IRQ>
[ 989.157176][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 989.157399][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 989.157595][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 989.157790][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 989.157993][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 989.158185][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
[ 989.158374][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  989.158561][    C0]  </IRQ>
[  989.158658][    C0]  <TASK>
[ 989.158755][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 989.159033][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 989.159275][ C0] Code: 10 e8 51 9c 8b fd 48 89 ef e8 19 11 8c fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 95 83 13 5b <74> 0e 5b 5d c3 cc cc cc cc e8 8f 55 b1 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	51                   	push   %rcx
   3:	9c                   	pushf
   4:	8b fd                	mov    %ebp,%edi
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 19 11 8c fd       	call   0xfffffffffd8c1127
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d 95 83 13 5b 	decl   %gs:0x5b138395(%rip)        # 0x5b1383bf
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 8f 55 b1 fd       	call   0xfffffffffdb155c7
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 8f 55 b1 fd       	call   0xfffffffffdb1559d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  989.159914][    C0] RSP: 0018:ffffc9000ad77aa0 EFLAGS: 00000286
[  989.160171][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff5044f80
[  989.160484][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa4f04141
[  989.160760][    C0] RBP: ffffffffa8aee800 R08: 0000000000000001 R09: fffffbfff50405ef
[  989.161035][    C0] R10: ffffffffa8202f7f R11: ffff888009e12300 R12: 00000000ffffffff
[  989.161312][    C0] R13: 0000000000000001 R14: ffffffffa8aee908 R15: 00000000ffffffff
[ 989.161604][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 989.161849][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 989.162000][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 989.162186][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 989.162419][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 989.162609][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 989.162798][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
[ 989.162987][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 989.163172][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822) 
[ 989.163357][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 989.163549][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 989.163735][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 989.163921][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 989.164120][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 989.164278][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) 
[ 989.164461][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
[ 989.164644][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822) 
[ 989.164831][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 989.165027][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 37)) 
[ 989.165216][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
[ 989.165451][ C0] ksys_write (fs/read_write.c:731) 
[ 989.165599][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 989.165793][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 989.165987][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  989.166235][    C0] RIP: 0033:0x7f4c83738b77
[ 989.166426][ C0] Code: 0b 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 48 89 54 24 18 48 89 74 24
All code
========
   0:	0b 00                	or     (%rax),%eax
   2:	f7 d8                	neg    %eax
   4:	64 89 02             	mov    %eax,%fs:(%rdx)
   7:	48 c7 c0 ff ff ff ff 	mov    $0xffffffffffffffff,%rax
   e:	eb b7                	jmp    0xffffffffffffffc7
  10:	0f 1f 00             	nopl   (%rax)
  13:	f3 0f 1e fa          	endbr64
  17:	64 8b 04 25 18 00 00 	mov    %fs:0x18,%eax
  1e:	00 
  1f:	85 c0                	test   %eax,%eax
  21:	75 10                	jne    0x33
  23:	b8 01 00 00 00       	mov    $0x1,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax		<-- trapping instruction
  30:	77 51                	ja     0x83
  32:	c3                   	ret
  33:	48 83 ec 28          	sub    $0x28,%rsp
  37:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  3c:	48                   	rex.W
  3d:	89                   	.byte 0x89
  3e:	74 24                	je     0x64

Code starting with the faulting instruction
===========================================
   0:	48 3d 00 f0 ff ff    	cmp    $0xfffffffffffff000,%rax
   6:	77 51                	ja     0x59
   8:	c3                   	ret
   9:	48 83 ec 28          	sub    $0x28,%rsp
   d:	48 89 54 24 18       	mov    %rdx,0x18(%rsp)
  12:	48                   	rex.W
  13:	89                   	.byte 0x89
  14:	74 24                	je     0x3a
[  989.167117][    C0] RSP: 002b:00007ffc7394a838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  989.167435][    C0] RAX: ffffffffffffffda RBX: 000055c52360f3f0 RCX: 00007f4c83738b77
[  989.167725][    C0] RDX: 0000000000000001 RSI: 000055c52360f3f0 RDI: 0000000000000001
[  989.168003][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  989.168303][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c5235fa5e0


Finger prints:
__report_bad_irq:note_interrupt:handle_irq_event:handle_edge_irq:__common_interrupt