======================================
| # 91.51 [+0.00] [  945.979801] vx10: left promiscuous mode
| # 91.51 [+0.00] [  945.980130] br1: port 1(vx10) entered disabled state
| # 91.51 [+0.00] [  966.717448] Mirror/redirect action on
| # 91.51 [+0.00] [ 1006.635880] irq 51: nobody cared (try booting with the "irqpoll" option)
# 91.52 [+0.00] [ 1006.636674] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 91.52 [+0.01] [ 1006.636885] Call Trace:
# 91.53 [+0.00] [ 1006.637029]  <IRQ>
# 91.53 [+0.00] [ 1006.637122] dump_stack_lvl (lib/dump_stack.c:123) 
# 91.53 [+0.00] [ 1006.637303] __report_bad_irq (kernel/irq/spurious.c:214) 
# 91.53 [+0.00] [ 1006.637479] note_interrupt (kernel/irq/spurious.c:423) 
# 91.53 [+0.00] [ 1006.637655] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 91.53 [+0.00] [ 1006.637828] handle_edge_irq (kernel/irq/chip.c:833) 
# 91.53 [+0.00] [ 1006.638011] __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) 
# 91.53 [+0.00] [ 1006.638183] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 91.54 [+0.00] [ 1006.638354]  </IRQ>
# 91.54 [+0.00] [ 1006.638442]  <TASK>
# 91.54 [+0.00] [ 1006.638531] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 91.54 [+0.00] [ 1006.638702] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 91.54 [+0.00] [ 1006.638923] Code: 10 e8 e1 be 85 fd 48 89 ef e8 49 31 86 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 25 08 d9 5f <74> 0e 5b 5d c3 cc cc cc cc e8 af 17 ab fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	e1 be                	loope  0xffffffffffffffc2
   4:	85 fd                	test   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 49 31 86 fd       	call   0xfffffffffd863157
   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 25 08 d9 5f 	decl   %gs:0x5fd90825(%rip)        # 0x5fd9084f
  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 af 17 ab fd       	call   0xfffffffffdab17e7
  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 af 17 ab fd       	call   0xfffffffffdab17bd
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 91.54 [+0.00] [ 1006.639518] RSP: 0018:ffffc900019d7aa0 EFLAGS: 00000286
# 91.55 [+0.00] [ 1006.639739] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff46c16ca
# 91.55 [+0.00] [ 1006.639991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa02abeb1
# 91.55 [+0.00] [ 1006.640247] RBP: ffffffffa3ed24a0 R08: 0000000000000001 R09: fffffbfff46bcdcf
# 91.55 [+0.00] [ 1006.640509] R10: ffffffffa35e6e7f R11: ffff88800fb72300 R12: 00000000ffffffff
# 91.55 [+0.00] [ 1006.640772] R13: 0000000000000001 R14: ffffffffa3ed25a8 R15: 00000000ffffffff
# 91.56 [+0.00] [ 1006.641034] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 91.56 [+0.00] [ 1006.641255] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 91.56 [+0.00] [ 1006.641390] process_output_block (drivers/tty/n_tty.c:574) 
# 91.56 [+0.00] [ 1006.641559] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 91.56 [+0.00] [ 1006.641775] n_tty_write (drivers/tty/n_tty.c:2390) 
# 91.56 [+0.00] [ 1006.641960] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 91.56 [+0.00] [ 1006.642131] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 91.56 [+0.00] [ 1006.642301] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 91.56 [+0.00] [ 1006.642468] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 91.57 [+0.00] [ 1006.642637] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 91.57 [+0.00] [ 1006.642807] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 91.57 [+0.00] [ 1006.642983] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 91.57 [+0.00] [ 1006.643152] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 91.57 [+0.00] [ 1006.643325] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 91.57 [+0.00] [ 1006.643504] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
# 91.57 [+0.00] [ 1006.643635] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
# 91.57 [+0.00] [ 1006.643798] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 91.58 [+0.00] [ 1006.643961] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
# 91.58 [+0.00] [ 1006.644128] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 91.58 [+0.00] [ 1006.644298] ? __pfx_vfs_write (fs/read_write.c:664) 
# 91.58 [+0.00] [ 1006.644468] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) 
# 91.58 [+0.00] [ 1006.644640] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
# 91.58 [+0.00] [ 1006.644867] ksys_write (fs/read_write.c:736) 
# 91.58 [+0.00] [ 1006.644997] ? __pfx_ksys_write (fs/read_write.c:726) 
# 91.58 [+0.00] [ 1006.645178] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 91.58 [+0.00] [ 1006.645351] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 91.59 [+0.00] [ 1006.645560] RIP: 0033:0x7f7b199ad957
# 91.59 [+0.00] [ 1006.645742] 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
# 91.59 [+0.00] [ 1006.646328] RSP: 002b:00007ffd17347298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 91.59 [+0.00] [ 1006.646578] RAX: ffffffffffffffda RBX: 000055d3ebf012b0 RCX: 00007f7b199ad957
# 91.60 [+0.00] [ 1006.646822] RDX: 0000000000000001 RSI: 000055d3ebf012b0 RDI: 0000000000000001
# 91.60 [+0.00] [ 1006.647082] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 91.60 [+0.00] [ 1006.647324] R10: 0000000000000001 R11: 0000000000000246 R12: 000055d3ebeec5e0
# 91.60 [+0.00] [ 1006.647575] R13: 000055d3ebecd2a0 R14: 0000000000000001 R15: 000055d3ebeec5e0
| xx__-> echo $?
| 0
| xx__-> [  966.717448][ T5315] Mirror/redirect action on
| [ 1006.635880][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1006.636674][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1006.636885][    C0] Call Trace:
[ 1006.637029][    C0]  <IRQ>
[ 1006.637122][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1006.637303][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1006.637479][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 1006.637655][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1006.637828][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1006.638011][ 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) 
[ 1006.638183][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[ 1006.638354][    C0]  </IRQ>
[ 1006.638442][    C0]  <TASK>
[ 1006.638531][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1006.638702][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1006.638923][ C0] Code: 10 e8 e1 be 85 fd 48 89 ef e8 49 31 86 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 25 08 d9 5f <74> 0e 5b 5d c3 cc cc cc cc e8 af 17 ab fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	e1 be                	loope  0xffffffffffffffc2
   4:	85 fd                	test   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 49 31 86 fd       	call   0xfffffffffd863157
   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 25 08 d9 5f 	decl   %gs:0x5fd90825(%rip)        # 0x5fd9084f
  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 af 17 ab fd       	call   0xfffffffffdab17e7
  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 af 17 ab fd       	call   0xfffffffffdab17bd
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 1006.639518][    C0] RSP: 0018:ffffc900019d7aa0 EFLAGS: 00000286
[ 1006.639739][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff46c16ca
[ 1006.639991][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa02abeb1
[ 1006.640247][    C0] RBP: ffffffffa3ed24a0 R08: 0000000000000001 R09: fffffbfff46bcdcf
[ 1006.640509][    C0] R10: ffffffffa35e6e7f R11: ffff88800fb72300 R12: 00000000ffffffff
[ 1006.640772][    C0] R13: 0000000000000001 R14: ffffffffa3ed25a8 R15: 00000000ffffffff
[ 1006.641034][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1006.641255][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1006.641390][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 1006.641559][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1006.641775][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 1006.641960][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 1006.642131][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1006.642301][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1006.642468][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1006.642637][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1006.642807][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1006.642983][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1006.643152][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1006.643325][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1006.643504][ C0] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 1006.643635][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 1006.643798][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1006.643961][ C0] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
[ 1006.644128][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1006.644298][ C0] ? __pfx_vfs_write (fs/read_write.c:664) 
[ 1006.644468][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) 
[ 1006.644640][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
[ 1006.644867][ C0] ksys_write (fs/read_write.c:736) 
[ 1006.644997][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1006.645178][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1006.645351][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1006.645560][    C0] RIP: 0033:0x7f7b199ad957
[ 1006.645742][ 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
[ 1006.646328][    C0] RSP: 002b:00007ffd17347298 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1006.646578][    C0] RAX: ffffffffffffffda RBX: 000055d3ebf012b0 RCX: 00007f7b199ad957
[ 1006.646822][    C0] RDX: 0000000000000001 RSI: 000055d3ebf012b0 RDI: 0000000000000001
[ 1006.647082][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1006.647324][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055d3ebeec5e0


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