======================================
| # 43.90 [+0.00] [  868.368626] vx10: left promiscuous mode
| # 43.90 [+0.00] [  868.368670] br1: port 1(vx10) entered disabled state
| # 43.91 [+0.00] [  877.381821] Mirror/redirect action on
| # 43.91 [+0.00] [  887.907876] irq 51: nobody cared (try booting with the "irqpoll" option)
# 43.91 [+0.00] [  887.908042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 43.91 [+0.00] [  887.908047] Call Trace:
# 43.91 [+0.00] [  887.908068]  <IRQ>
# 43.91 [+0.00] [  887.908077] dump_stack_lvl (lib/dump_stack.c:123) 
# 43.91 [+0.00] [  887.908113] __report_bad_irq (kernel/irq/spurious.c:205) 
# 43.91 [+0.00] [  887.908142] note_interrupt (kernel/irq/spurious.c:407) 
# 43.91 [+0.00] [  887.908146] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 43.91 [+0.00] [  887.908159] handle_edge_irq (kernel/irq/chip.c:799) 
# 43.91 [+0.00] [  887.908163] __common_interrupt (./include/asm-generic/irq_regs.h:29 arch/x86/kernel/irq.c:295) 
# 43.91 [+0.00] [  887.908178] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 43.91 [+0.00] [  887.908193]  </IRQ>
# 43.91 [+0.00] [  887.908194]  <TASK>
# 43.91 [+0.00] [  887.908195] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 43.91 [+0.00] [  887.908209] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 43.92 [+0.00] [ 887.908217] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d e4 39 46 01 <74> 05 e9 4d 1e 00 00 0f 1f 44 00 00 e9 43 1e 00 00 0f 1f 00 90 90
All code
========
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	f3 0f 1e fa          	endbr64
  12:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  17:	c6 07 00             	movb   $0x0,(%rdi)
  1a:	f7 c6 00 02 00 00    	test   $0x200,%esi
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d e4 39 46 01 	decl   %gs:0x14639e4(%rip)        # 0x1463a0e
  2a:*	74 05                	je     0x31		<-- trapping instruction
  2c:	e9 4d 1e 00 00       	jmp    0x1e7e
  31:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  36:	e9 43 1e 00 00       	jmp    0x1e7e
  3b:	0f 1f 00             	nopl   (%rax)
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	74 05                	je     0x7
   2:	e9 4d 1e 00 00       	jmp    0x1e54
   7:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   c:	e9 43 1e 00 00       	jmp    0x1e54
  11:	0f 1f 00             	nopl   (%rax)
  14:	90                   	nop
  15:	90                   	nop
# 43.92 [+0.00] [  887.908219] RSP: 0018:ffffb9b70ac0bd58 EFLAGS: 00000286
# 43.92 [+0.00] [  887.908226] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
# 43.92 [+0.00] [  887.908228] RDX: ffffffff8a5f4138 RSI: 0000000000000282 RDI: ffffffff8bf47880
# 43.92 [+0.00] [  887.908230] RBP: ffff8ba702294000 R08: 000000ced78cb61d R09: 0000000000000001
# 43.92 [+0.00] [  887.908231] R10: ffff8ba702241df8 R11: 0000000000000000 R12: 0000000000000001
# 43.92 [+0.00] [  887.908233] R13: ffffffff8bf47880 R14: 0000000000000282 R15: ffff8ba702241cc0
# 43.92 [+0.00] [  887.908235] ? rpm_suspend (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/rpm.h:84 drivers/base/power/runtime.c:729) 
# 43.93 [+0.00] [  887.908260] 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:637) 
# 43.93 [+0.00] [  887.908281] n_tty_write (drivers/tty/n_tty.c:561 drivers/tty/n_tty.c:2377) 
# 43.93 [+0.00] [  887.908294] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 43.93 [+0.00] [  887.908305] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1006 drivers/tty/tty_io.c:1081) 
# 43.93 [+0.00] [  887.908313] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
# 43.93 [+0.00] [  887.908337] ksys_write (fs/read_write.c:738) 
# 43.93 [+0.00] [  887.908339] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 43.93 [+0.00] [  887.908342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 43.93 [+0.00] [  887.908348] RIP: 0033:0x7f0bd084c337
# 43.93 [+0.00] [ 887.908351] Code: 0f 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:	0f 00                	(bad)
   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
# 43.93 [+0.00] [  887.908353] RSP: 002b:00007ffc9dcf0ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 43.93 [+0.00] [  887.908355] RAX: ffffffffffffffda RBX: 0000560931b551f0 RCX: 00007f0bd084c337
# 43.94 [+0.00] [  887.908357] RDX: 0000000000000001 RSI: 0000560931b551f0 RDI: 0000000000000001
# 43.94 [+0.00] [  887.908358] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 43.94 [+0.00] [  887.908360] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560931b41580
# 43.94 [+0.00] [  887.908361] R13: 0000560931b222a0 R14: 0000000000000001 R15: 0000560931b41580
| xx__-> echo $?
| 0
| xx__-> [  877.381821] Mirror/redirect action on
| [  887.907876] irq 51: nobody cared (try booting with the "irqpoll" option)
[  887.908042] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  887.908047] Call Trace:
[  887.908068]  <IRQ>
[  887.908077] dump_stack_lvl (lib/dump_stack.c:123) 
[  887.908113] __report_bad_irq (kernel/irq/spurious.c:205) 
[  887.908142] note_interrupt (kernel/irq/spurious.c:407) 
[  887.908146] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[  887.908159] handle_edge_irq (kernel/irq/chip.c:799) 
[  887.908163] __common_interrupt (./include/asm-generic/irq_regs.h:29 arch/x86/kernel/irq.c:295) 
[  887.908178] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[  887.908193]  </IRQ>
[  887.908194]  <TASK>
[  887.908195] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[  887.908209] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 887.908217] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d e4 39 46 01 <74> 05 e9 4d 1e 00 00 0f 1f 44 00 00 e9 43 1e 00 00 0f 1f 00 90 90
All code
========
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	f3 0f 1e fa          	endbr64
  12:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  17:	c6 07 00             	movb   $0x0,(%rdi)
  1a:	f7 c6 00 02 00 00    	test   $0x200,%esi
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d e4 39 46 01 	decl   %gs:0x14639e4(%rip)        # 0x1463a0e
  2a:*	74 05                	je     0x31		<-- trapping instruction
  2c:	e9 4d 1e 00 00       	jmp    0x1e7e
  31:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  36:	e9 43 1e 00 00       	jmp    0x1e7e
  3b:	0f 1f 00             	nopl   (%rax)
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	74 05                	je     0x7
   2:	e9 4d 1e 00 00       	jmp    0x1e54
   7:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   c:	e9 43 1e 00 00       	jmp    0x1e54
  11:	0f 1f 00             	nopl   (%rax)
  14:	90                   	nop
  15:	90                   	nop
[  887.908219] RSP: 0018:ffffb9b70ac0bd58 EFLAGS: 00000286
[  887.908226] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  887.908228] RDX: ffffffff8a5f4138 RSI: 0000000000000282 RDI: ffffffff8bf47880
[  887.908230] RBP: ffff8ba702294000 R08: 000000ced78cb61d R09: 0000000000000001
[  887.908231] R10: ffff8ba702241df8 R11: 0000000000000000 R12: 0000000000000001
[  887.908233] R13: ffffffff8bf47880 R14: 0000000000000282 R15: ffff8ba702241cc0
[  887.908235] ? rpm_suspend (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/rpm.h:84 drivers/base/power/runtime.c:729) 
[  887.908260] 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:637) 
[  887.908281] n_tty_write (drivers/tty/n_tty.c:561 drivers/tty/n_tty.c:2377) 
[  887.908294] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[  887.908305] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1006 drivers/tty/tty_io.c:1081) 
[  887.908313] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
[  887.908337] ksys_write (fs/read_write.c:738) 
[  887.908339] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[  887.908342] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  887.908348] RIP: 0033:0x7f0bd084c337
[ 887.908351] Code: 0f 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:	0f 00                	(bad)
   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
[  887.908353] RSP: 002b:00007ffc9dcf0ca8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  887.908355] RAX: ffffffffffffffda RBX: 0000560931b551f0 RCX: 00007f0bd084c337
[  887.908357] RDX: 0000000000000001 RSI: 0000560931b551f0 RDI: 0000000000000001
[  887.908358] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  887.908360] R10: 0000000000000001 R11: 0000000000000246 R12: 0000560931b41580


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