======================================
| # 85.77 [+0.00] [  897.910311] vx10: left promiscuous mode
| # 85.77 [+0.00] [  897.910674] br1: port 1(vx10) entered disabled state
| # 85.77 [+0.00] [  918.195089] Mirror/redirect action on
| # 85.78 [+0.00] [  937.071272] irq 51: nobody cared (try booting with the "irqpoll" option)
# 85.78 [+0.00] [  937.071996] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 85.78 [+0.00] [  937.072244] Call Trace:
# 85.78 [+0.00] [  937.072394]  <IRQ>
# 85.78 [+0.00] [  937.072496] dump_stack_lvl (lib/dump_stack.c:123) 
# 85.78 [+0.00] [  937.072707] __report_bad_irq (kernel/irq/spurious.c:214) 
# 85.78 [+0.00] [  937.072899] note_interrupt (kernel/irq/spurious.c:423) 
# 85.79 [+0.00] [  937.073091] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 85.79 [+0.00] [  937.073277] handle_edge_irq (kernel/irq/chip.c:833) 
# 85.79 [+0.00] [  937.073465] __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) 
# 85.79 [+0.00] [  937.073653] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 85.79 [+0.00] [  937.073842]  </IRQ>
# 85.79 [+0.00] [  937.073954]  <TASK>
# 85.79 [+0.00] [  937.074066] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 85.79 [+0.00] [  937.074252] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 85.80 [+0.00] [ 937.074489] Code: 10 e8 51 ac 8b fd 48 89 ef e8 19 21 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 93 73 68 <74> 0e 5b 5d c3 cc cc cc cc e8 8f 65 b1 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	51                   	push   %rcx
   3:	ac                   	lods   %ds:(%rsi),%al
   4:	8b fd                	mov    %ebp,%edi
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 19 21 8c fd       	call   0xfffffffffd8c2127
   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 93 73 68 	decl   %gs:0x68739395(%rip)        # 0x687393bf
  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 65 b1 fd       	call   0xfffffffffdb165c7
  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 65 b1 fd       	call   0xfffffffffdb1659d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 85.80 [+0.00] [  937.075118] RSP: 0018:ffffc90001817aa0 EFLAGS: 00000286
# 85.80 [+0.00] [  937.075360] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff3584f67
# 85.80 [+0.00] [  937.075635] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97903141
# 85.81 [+0.00] [  937.075910] RBP: ffffffff9b4ee800 R08: 0000000000000001 R09: fffffbfff35805ef
# 85.81 [+0.00] [  937.076185] R10: ffffffff9ac02f7f R11: ffff88800f030040 R12: 00000000ffffffff
# 85.81 [+0.00] [  937.076464] R13: 0000000000000001 R14: ffffffff9b4ee908 R15: 00000000ffffffff
# 85.81 [+0.00] [  937.076748] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 85.81 [+0.00] [  937.076986] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 85.81 [+0.00] [  937.077133] process_output_block (drivers/tty/n_tty.c:574) 
# 85.82 [+0.00] [  937.077317] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 85.82 [+0.00] [  937.077553] n_tty_write (drivers/tty/n_tty.c:2390) 
# 85.82 [+0.00] [  937.077744] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 85.82 [+0.00] [  937.077934] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
# 85.82 [+0.00] [  937.078117] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 85.82 [+0.00] [  937.078302] ? lock_acquire (kernel/locking/lockdep.c:5822) 
# 85.82 [+0.00] [  937.078483] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 85.83 [+0.00] [  937.078714] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 85.84 [+0.01] [  937.078902] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 85.84 [+0.00] [  937.079112] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 85.85 [+0.01] [  937.079387] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 85.85 [+0.00] [  937.079538] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) 
# 85.85 [+0.00] [  937.079722] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
# 85.85 [+0.00] [  937.079904] ? lock_acquire (kernel/locking/lockdep.c:5822) 
# 85.85 [+0.00] [  937.080088] ? __pfx_vfs_write (fs/read_write.c:660) 
# 85.85 [+0.00] [  937.080274] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 37)) 
# 85.85 [+0.00] [  937.080466] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
# 85.85 [+0.00] [  937.080776] ksys_write (fs/read_write.c:731) 
# 85.86 [+0.00] [  937.080992] ? __pfx_ksys_write (fs/read_write.c:721) 
# 85.86 [+0.00] [  937.081270] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 85.86 [+0.00] [  937.081551] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 85.86 [+0.00] [  937.081907] RIP: 0033:0x7f4a867fcb77
# 85.86 [+0.00] [ 937.082207] 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
# 85.87 [+0.01] [  937.083209] RSP: 002b:00007ffc305f0158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 85.87 [+0.00] [  937.083633] RAX: ffffffffffffffda RBX: 00005612a75602b0 RCX: 00007f4a867fcb77
# 85.87 [+0.00] [  937.084012] RDX: 0000000000000001 RSI: 00005612a75602b0 RDI: 0000000000000001
# 85.87 [+0.00] [  937.084432] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 85.87 [+0.00] [  937.084857] R10: 0000000000000001 R11: 0000000000000246 R12: 00005612a754b5e0
# 85.88 [+0.00] [  937.085277] R13: 00005612a752c2a0 R14: 0000000000000001 R15: 00005612a754b5e0
| xx__-> echo $?
| 0
| xx__-> [  918.195089][T10786] Mirror/redirect action on
| [  937.071272][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  937.071996][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  937.072244][    C0] Call Trace:
[  937.072394][    C0]  <IRQ>
[ 937.072496][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 937.072707][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 937.072899][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 937.073091][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 937.073277][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 937.073465][ 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) 
[ 937.073653][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  937.073842][    C0]  </IRQ>
[  937.073954][    C0]  <TASK>
[ 937.074066][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 937.074252][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 937.074489][ C0] Code: 10 e8 51 ac 8b fd 48 89 ef e8 19 21 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 93 73 68 <74> 0e 5b 5d c3 cc cc cc cc e8 8f 65 b1 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	51                   	push   %rcx
   3:	ac                   	lods   %ds:(%rsi),%al
   4:	8b fd                	mov    %ebp,%edi
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 19 21 8c fd       	call   0xfffffffffd8c2127
   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 93 73 68 	decl   %gs:0x68739395(%rip)        # 0x687393bf
  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 65 b1 fd       	call   0xfffffffffdb165c7
  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 65 b1 fd       	call   0xfffffffffdb1659d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  937.075118][    C0] RSP: 0018:ffffc90001817aa0 EFLAGS: 00000286
[  937.075360][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff3584f67
[  937.075635][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff97903141
[  937.075910][    C0] RBP: ffffffff9b4ee800 R08: 0000000000000001 R09: fffffbfff35805ef
[  937.076185][    C0] R10: ffffffff9ac02f7f R11: ffff88800f030040 R12: 00000000ffffffff
[  937.076464][    C0] R13: 0000000000000001 R14: ffffffff9b4ee908 R15: 00000000ffffffff
[ 937.076748][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 937.076986][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 937.077133][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 937.077317][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 937.077553][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 937.077744][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 937.077934][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
[ 937.078117][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 937.078302][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822) 
[ 937.078483][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 937.078714][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 937.078902][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 937.079112][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 937.079387][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 937.079538][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5501) 
[ 937.079722][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 37)) 
[ 937.079904][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822) 
[ 937.080088][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 937.080274][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 37)) 
[ 937.080466][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
[ 937.080776][ C0] ksys_write (fs/read_write.c:731) 
[ 937.080992][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 937.081270][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 937.081551][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  937.081907][    C0] RIP: 0033:0x7f4a867fcb77
[ 937.082207][ 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
[  937.083209][    C0] RSP: 002b:00007ffc305f0158 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  937.083633][    C0] RAX: ffffffffffffffda RBX: 00005612a75602b0 RCX: 00007f4a867fcb77
[  937.084012][    C0] RDX: 0000000000000001 RSI: 00005612a75602b0 RDI: 0000000000000001
[  937.084432][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  937.084857][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005612a754b5e0


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