======================================
| # 73.57 [+0.00] [  571.849857] vx1: left promiscuous mode
| # 73.57 [+0.00] [  571.850086] br1: port 1(vx1) entered disabled state
| # 73.57 [+0.00] [  581.037702] Mirror/redirect action on
| # 73.58 [+0.00] [  598.174022] irq 51: nobody cared (try booting with the "irqpoll" option)
# 73.58 [+0.00] [  598.174156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 73.58 [+0.00] [  598.174158] Call Trace:
# 73.58 [+0.00] [  598.174160]  <IRQ>
# 73.58 [+0.00] [  598.174164]  dump_stack_lvl (lib/dump_stack.c:123)
# 73.58 [+0.00] [  598.174170]  __report_bad_irq (kernel/irq/spurious.c:170)
# 73.59 [+0.00] [  598.174174]  note_interrupt (kernel/irq/spurious.c:372)
# 73.59 [+0.00] [  598.174176]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
# 73.59 [+0.00] [  598.174179]  handle_edge_irq (kernel/irq/chip.c:857)
# 73.59 [+0.00] [  598.174181]  __common_interrupt (./include/asm-generic/irq_regs.h:29 arch/x86/kernel/irq.c:328)
# 73.59 [+0.00] [  598.174185]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
# 73.59 [+0.00] [  598.174190]  </IRQ>
# 73.59 [+0.00] [  598.174190]  <TASK>
# 73.59 [+0.00] [  598.174191]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 73.60 [+0.00] [  598.174194] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 73.60 [+0.00] [  598.174199] Code: f3 00 74 01 c3 0f 1f 44 00 00 c3 0f 1f 00 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d f4 e1 f3 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
All code
========
   0:	f3 00 74 01 c3       	repz add %dh,-0x3d(%rcx,%rax,1)
   5:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   a:	c3                   	ret
   b:	0f 1f 00             	nopl   (%rax)
   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 f4 e1 f3 00 	decl   %gs:0xf3e1f4(%rip)        # 0xf3e21e
  2a:*	74 01                	je     0x2d		<-- trapping instruction
  2c:	c3                   	ret
  2d:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  32:	c3                   	ret
  33:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  3a:	00 00 00 00 
  3e:	f3                   	repz
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	74 01                	je     0x3
   2:	c3                   	ret
   3:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   8:	c3                   	ret
   9:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  10:	00 00 00 00 
  14:	f3                   	repz
  15:	0f                   	.byte 0xf
# 73.60 [+0.01] [  598.174200] RSP: 0018:ffffafe683663d40 EFLAGS: 00000286
# 73.60 [+0.00] [  598.174202] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
# 73.61 [+0.00] [  598.174203] RDX: ffffffff95768178 RSI: 0000000000000282 RDI: ffffffff96af3380
# 73.61 [+0.00] [  598.174204] RBP: ffff917dc1f74000 R08: 0000008b5d6d95da R09: 0000000000000001
# 73.61 [+0.00] [  598.174205] R10: ffff917dc1d399f8 R11: 0000000000000000 R12: 0000000000000001
# 73.61 [+0.00] [  598.174206] R13: ffffffff96af3380 R14: 0000000000000282 R15: ffffafe6804dd000
# 73.61 [+0.00] [  598.174208]  ? rpm_suspend (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/rpm.h:84 drivers/base/power/runtime.c:744)
# 73.62 [+0.00] [  598.174211]  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:634)
# 73.62 [+0.00] [  598.174217]  n_tty_write (drivers/tty/n_tty.c:561 drivers/tty/n_tty.c:2377)
# 73.62 [+0.00] [  598.174221]  ? swake_up_all (kernel/sched/wait.c:458)
# 73.62 [+0.00] [  598.174224]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1006 drivers/tty/tty_io.c:1081)
# 73.62 [+0.00] [  598.174227]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
# 73.62 [+0.00] [  598.174233]  ksys_write (fs/read_write.c:738)
# 73.62 [+0.00] [  598.174235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
# 73.62 [+0.00] [  598.174237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
# 73.63 [+0.00] [  598.174238] RIP: 0033:0x7f79742d0257
# 73.63 [+0.00] [  598.174240] 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
# 73.63 [+0.01] [  598.174242] RSP: 002b:00007ffc735091e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 73.64 [+0.00] [  598.174243] RAX: ffffffffffffffda RBX: 0000556d312c2220 RCX: 00007f79742d0257
# 73.64 [+0.00] [  598.174244] RDX: 0000000000000001 RSI: 0000556d312c2220 RDI: 0000000000000001
# 73.64 [+0.00] [  598.174245] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 73.64 [+0.00] [  598.174246] R10: 0000000000000001 R11: 0000000000000246 R12: 0000556d312ae5a0
# 73.64 [+0.00] [  598.174247] R13: 0000556d3128f2a0 R14: 0000000000000001 R15: 0000556d312ae5a0
| xx__-> echo $?
| 0
| xx__-> [  581.037702] Mirror/redirect action on
| [  598.174022] irq 51: nobody cared (try booting with the "irqpoll" option)
[  598.174156] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  598.174158] Call Trace:
[  598.174160]  <IRQ>
[  598.174164]  dump_stack_lvl (lib/dump_stack.c:123)
[  598.174170]  __report_bad_irq (kernel/irq/spurious.c:170)
[  598.174174]  note_interrupt (kernel/irq/spurious.c:372)
[  598.174176]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
[  598.174179]  handle_edge_irq (kernel/irq/chip.c:857)
[  598.174181]  __common_interrupt (./include/asm-generic/irq_regs.h:29 arch/x86/kernel/irq.c:328)
[  598.174185]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
[  598.174190]  </IRQ>
[  598.174190]  <TASK>
[  598.174191]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  598.174194] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  598.174199] Code: f3 00 74 01 c3 0f 1f 44 00 00 c3 0f 1f 00 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d f4 e1 f3 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
All code
========
   0:	f3 00 74 01 c3       	repz add %dh,-0x3d(%rcx,%rax,1)
   5:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   a:	c3                   	ret
   b:	0f 1f 00             	nopl   (%rax)
   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 f4 e1 f3 00 	decl   %gs:0xf3e1f4(%rip)        # 0xf3e21e
  2a:*	74 01                	je     0x2d		<-- trapping instruction
  2c:	c3                   	ret
  2d:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  32:	c3                   	ret
  33:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  3a:	00 00 00 00 
  3e:	f3                   	repz
  3f:	0f                   	.byte 0xf

Code starting with the faulting instruction
===========================================
   0:	74 01                	je     0x3
   2:	c3                   	ret
   3:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   8:	c3                   	ret
   9:	66 66 2e 0f 1f 84 00 	data16 cs nopw 0x0(%rax,%rax,1)
  10:	00 00 00 00 
  14:	f3                   	repz
  15:	0f                   	.byte 0xf
[  598.174200] RSP: 0018:ffffafe683663d40 EFLAGS: 00000286
[  598.174202] RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 0000000000000017
[  598.174203] RDX: ffffffff95768178 RSI: 0000000000000282 RDI: ffffffff96af3380
[  598.174204] RBP: ffff917dc1f74000 R08: 0000008b5d6d95da R09: 0000000000000001
[  598.174205] R10: ffff917dc1d399f8 R11: 0000000000000000 R12: 0000000000000001
[  598.174206] R13: ffffffff96af3380 R14: 0000000000000282 R15: ffffafe6804dd000
[  598.174208]  ? rpm_suspend (./arch/x86/include/asm/jump_label.h:36 ./include/trace/events/rpm.h:84 drivers/base/power/runtime.c:744)
[  598.174211]  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:634)
[  598.174217]  n_tty_write (drivers/tty/n_tty.c:561 drivers/tty/n_tty.c:2377)
[  598.174221]  ? swake_up_all (kernel/sched/wait.c:458)
[  598.174224]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1006 drivers/tty/tty_io.c:1081)
[  598.174227]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[  598.174233]  ksys_write (fs/read_write.c:738)
[  598.174235]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  598.174237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  598.174238] RIP: 0033:0x7f79742d0257
[  598.174240] 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
[  598.174242] RSP: 002b:00007ffc735091e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  598.174243] RAX: ffffffffffffffda RBX: 0000556d312c2220 RCX: 00007f79742d0257
[  598.174244] RDX: 0000000000000001 RSI: 0000556d312c2220 RDI: 0000000000000001
[  598.174245] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  598.174246] R10: 0000000000000001 R11: 0000000000000246 R12: 0000556d312ae5a0


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