======================================
| # 94.16 [+0.00] [  888.248388] vx10: left promiscuous mode
| # 94.16 [+0.00] [  888.248738] br1: port 1(vx10) entered disabled state
| # 94.16 [+0.00] [  909.912839] Mirror/redirect action on
| # 94.16 [+0.00] [  980.817701] irq 51: nobody cared (try booting with the "irqpoll" option)
# 94.17 [+0.00] [  980.818222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 94.17 [+0.00] [  980.818225] Call Trace:
# 94.17 [+0.00] [  980.818231]  <IRQ>
# 94.17 [+0.00] [  980.818234] dump_stack_lvl (lib/dump_stack.c:123) 
# 94.17 [+0.00] [  980.818253] __report_bad_irq (kernel/irq/spurious.c:214) 
# 94.17 [+0.00] [  980.818266] note_interrupt (kernel/irq/spurious.c:423) 
# 94.17 [+0.00] [  980.818275] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 94.18 [+0.00] [  980.818281] handle_edge_irq (kernel/irq/chip.c:833) 
# 94.18 [+0.00] [  980.818291] __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) 
# 94.18 [+0.00] [  980.818301] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 94.18 [+0.00] [  980.818307]  </IRQ>
# 94.18 [+0.00] [  980.818309]  <TASK>
# 94.18 [+0.00] [  980.818312] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 94.18 [+0.00] [  980.818321] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 94.18 [+0.00] [ 980.818329] Code: 10 e8 91 aa 87 fd 48 89 ef e8 d9 1a 88 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 b5 ad 0f 74 <74> 0e 5b 5d c3 cc cc cc cc e8 5f 4a ad fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	91                   	xchg   %eax,%ecx
   3:	aa                   	stos   %al,%es:(%rdi)
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 d9 1a 88 fd       	call   0xfffffffffd881ae7
   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 b5 ad 0f 74 	decl   %gs:0x740fadb5(%rip)        # 0x740faddf
  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 5f 4a ad fd       	call   0xfffffffffdad4a97
  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 5f 4a ad fd       	call   0xfffffffffdad4a6d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 94.19 [+0.00] [  980.818332] RSP: 0018:ffffc9000b627aa0 EFLAGS: 00000286
# 94.19 [+0.00] [  980.818338] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1e09bf9
# 94.19 [+0.00] [  980.818340] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8bf41761
# 94.19 [+0.00] [  980.818342] RBP: ffffffff8f914ae0 R08: 0000000000000001 R09: fffffbfff1e051eb
# 94.20 [+0.01] [  980.818344] R10: ffffffff8f028f5f R11: ffff8880120dc5c0 R12: 00000000ffffffff
# 94.20 [+0.00] [  980.818346] R13: 0000000000000001 R14: ffffffff8f914be8 R15: 00000000ffffffff
# 94.21 [+0.00] [  980.818357] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 94.21 [+0.00] [  980.818365] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 94.21 [+0.00] [  980.818385] process_output_block (drivers/tty/n_tty.c:574) 
# 94.21 [+0.00] [  980.818393] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
# 94.21 [+0.00] [  980.818404] n_tty_write (drivers/tty/n_tty.c:2390) 
# 94.21 [+0.00] [  980.818414] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 94.21 [+0.00] [  980.818418] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
# 94.21 [+0.00] [  980.818422] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 94.21 [+0.00] [  980.818429] ? lock_acquire (kernel/locking/lockdep.c:5824) 
# 94.22 [+0.00] [  980.818432] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 94.22 [+0.00] [  980.818443] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 94.22 [+0.00] [  980.818450] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 94.22 [+0.00] [  980.818458] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 94.22 [+0.00] [  980.818465] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 94.22 [+0.00] [  980.818474] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
# 94.22 [+0.00] [  980.818478] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
# 94.22 [+0.00] [  980.818480] ? lock_acquire (kernel/locking/lockdep.c:5824) 
# 94.22 [+0.00] [  980.818484] ? __pfx_vfs_write (fs/read_write.c:660) 
# 94.23 [+0.00] [  980.818491] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
# 94.23 [+0.00] [  980.818500] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
# 94.23 [+0.00] [  980.818511] ksys_write (fs/read_write.c:731) 
# 94.23 [+0.00] [  980.818516] ? __pfx_ksys_write (fs/read_write.c:721) 
# 94.23 [+0.00] [  980.818527] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 94.23 [+0.00] [  980.818533] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 94.23 [+0.00] [  980.818536] RIP: 0033:0x7f107f227b77
# 94.23 [+0.00] [ 980.818541] 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
# 94.24 [+0.00] [  980.818543] RSP: 002b:00007ffe1feb6d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 94.24 [+0.00] [  980.818546] RAX: ffffffffffffffda RBX: 000055f2b55d13f0 RCX: 00007f107f227b77
# 94.24 [+0.00] [  980.818548] RDX: 0000000000000001 RSI: 000055f2b55d13f0 RDI: 0000000000000001
# 94.24 [+0.00] [  980.818549] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 94.25 [+0.00] [  980.818551] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f2b55bc5e0
# 94.25 [+0.00] [  980.818552] R13: 000055f2b559d2a0 R14: 0000000000000001 R15: 000055f2b55bc5e0
| xx__-> echo $?
| 0
| xx__-> [  909.912839][T10778] Mirror/redirect action on
| [  980.817701][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  980.818222][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  980.818225][    C0] Call Trace:
[  980.818231][    C0]  <IRQ>
[ 980.818234][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 980.818253][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 980.818266][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 980.818275][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 980.818281][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 980.818291][ 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) 
[ 980.818301][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  980.818307][    C0]  </IRQ>
[  980.818309][    C0]  <TASK>
[ 980.818312][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 980.818321][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 980.818329][ C0] Code: 10 e8 91 aa 87 fd 48 89 ef e8 d9 1a 88 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 b5 ad 0f 74 <74> 0e 5b 5d c3 cc cc cc cc e8 5f 4a ad fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	91                   	xchg   %eax,%ecx
   3:	aa                   	stos   %al,%es:(%rdi)
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 d9 1a 88 fd       	call   0xfffffffffd881ae7
   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 b5 ad 0f 74 	decl   %gs:0x740fadb5(%rip)        # 0x740faddf
  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 5f 4a ad fd       	call   0xfffffffffdad4a97
  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 5f 4a ad fd       	call   0xfffffffffdad4a6d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  980.818332][    C0] RSP: 0018:ffffc9000b627aa0 EFLAGS: 00000286
[  980.818338][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1e09bf9
[  980.818340][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8bf41761
[  980.818342][    C0] RBP: ffffffff8f914ae0 R08: 0000000000000001 R09: fffffbfff1e051eb
[  980.818344][    C0] R10: ffffffff8f028f5f R11: ffff8880120dc5c0 R12: 00000000ffffffff
[  980.818346][    C0] R13: 0000000000000001 R14: ffffffff8f914be8 R15: 00000000ffffffff
[ 980.818357][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 980.818365][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 980.818385][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 980.818393][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 980.818404][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 980.818414][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 980.818418][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 980.818422][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 980.818429][ C0] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 980.818432][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 980.818443][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 980.818450][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 980.818458][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 980.818465][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 980.818474][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 980.818478][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 980.818480][ C0] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 980.818484][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 980.818491][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 980.818500][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 980.818511][ C0] ksys_write (fs/read_write.c:731) 
[ 980.818516][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 980.818527][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 980.818533][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  980.818536][    C0] RIP: 0033:0x7f107f227b77
[ 980.818541][ 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
[  980.818543][    C0] RSP: 002b:00007ffe1feb6d78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  980.818546][    C0] RAX: ffffffffffffffda RBX: 000055f2b55d13f0 RCX: 00007f107f227b77
[  980.818548][    C0] RDX: 0000000000000001 RSI: 000055f2b55d13f0 RDI: 0000000000000001
[  980.818549][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  980.818551][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f2b55bc5e0


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