======================================
| # 97.15 [+0.00] [ 1538.725719] vx10: left promiscuous mode
| # 97.15 [+0.00] [ 1538.726548] br1: port 1(vx10) entered disabled state
| # 97.15 [+0.00] [ 1563.527173] Mirror/redirect action on
| # 97.15 [+0.00] [ 1635.408380] irq 51: nobody cared (try booting with the "irqpoll" option)
# 97.16 [+0.00] [ 1635.409001] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 97.16 [+0.00] [ 1635.409006] Call Trace:
# 97.16 [+0.00] [ 1635.409008]  <IRQ>
# 97.16 [+0.00] [ 1635.409011] dump_stack_lvl (lib/dump_stack.c:123) 
# 97.16 [+0.00] [ 1635.409034] __report_bad_irq (kernel/irq/spurious.c:205) 
# 97.16 [+0.00] [ 1635.409045] note_interrupt (kernel/irq/spurious.c:407) 
# 97.16 [+0.00] [ 1635.409054] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 97.16 [+0.00] [ 1635.409060] handle_edge_irq (kernel/irq/chip.c:799) 
# 97.17 [+0.00] [ 1635.409071] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
# 97.17 [+0.00] [ 1635.409082] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 97.17 [+0.00] [ 1635.409088]  </IRQ>
# 97.17 [+0.00] [ 1635.409090]  <TASK>
# 97.17 [+0.00] [ 1635.409094] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 97.17 [+0.00] [ 1635.409099] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 97.17 [+0.00] [ 1635.409107] Code: 74 24 10 e8 31 48 7c fd 48 89 ef e8 e9 9a 7c fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> aa 58 70 fd 65 8b 05 e3 fa b3 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	31 48 7c             	xor    %ecx,0x7c(%rax)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 e9 9a 7c fd       	call   0xfffffffffd7c9af9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 aa 58 70 fd       	call   0xfffffffffd7058d9		<-- trapping instruction
  2f:	65 8b 05 e3 fa b3 02 	mov    %gs:0x2b3fae3(%rip),%eax        # 0x2b3fb19
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 aa 58 70 fd       	call   0xfffffffffd7058af
   5:	65 8b 05 e3 fa b3 02 	mov    %gs:0x2b3fae3(%rip),%eax        # 0x2b3faef
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
# 97.18 [+0.00] [ 1635.409110] RSP: 0018:ffffc90002d2faa0 EFLAGS: 00000206
# 97.18 [+0.00] [ 1635.409115] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
# 97.18 [+0.00] [ 1635.409117] RDX: 0000000000000000 RSI: ffffffffad0b150e RDI: 0000000000000001
# 97.18 [+0.00] [ 1635.409119] RBP: ffffffffaffba200 R08: 0000000000000001 R09: 0000000000000001
# 97.18 [+0.00] [ 1635.409121] R10: ffffffffae0017d7 R11: ffff888006348970 R12: 00000000ffffffff
# 97.18 [+0.00] [ 1635.409123] R13: 0000000000000001 R14: ffffffffaffba308 R15: 00000000ffffffff
# 97.19 [+0.00] [ 1635.409140] 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) 
# 97.19 [+0.00] [ 1635.409155] process_output_block (drivers/tty/n_tty.c:561) 
# 97.19 [+0.00] [ 1635.409164] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 97.19 [+0.00] [ 1635.409172] n_tty_write (drivers/tty/n_tty.c:2378) 
# 97.19 [+0.00] [ 1635.409184] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 97.19 [+0.00] [ 1635.409190] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 97.19 [+0.00] [ 1635.409198] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
# 97.19 [+0.00] [ 1635.409203] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 97.19 [+0.00] [ 1635.409217] iterate_tty_write (drivers/tty/tty_io.c:1006) 
# 97.19 [+0.00] [ 1635.409236] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 97.20 [+0.00] [ 1635.409245] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 97.20 [+0.00] [ 1635.409254] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
# 97.20 [+0.00] [ 1635.409263] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# 97.20 [+0.00] [ 1635.409270] ? __pfx_vfs_write (fs/read_write.c:667) 
# 97.20 [+0.00] [ 1635.409278] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 97.20 [+0.00] [ 1635.409291] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# 97.20 [+0.00] [ 1635.409301] ksys_write (fs/read_write.c:738) 
# 97.20 [+0.00] [ 1635.409306] ? __pfx_ksys_write (fs/read_write.c:728) 
# 97.20 [+0.00] [ 1635.409317] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 97.20 [+0.00] [ 1635.409323] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 97.21 [+0.00] [ 1635.409326] RIP: 0033:0x7fb4bcdfc337
# 97.21 [+0.00] [ 1635.409332] 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
# 97.21 [+0.00] [ 1635.409334] RSP: 002b:00007ffc4fa7b988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 97.21 [+0.00] [ 1635.409337] RAX: ffffffffffffffda RBX: 0000562db43613f0 RCX: 00007fb4bcdfc337
# 97.21 [+0.00] [ 1635.409339] RDX: 0000000000000001 RSI: 0000562db43613f0 RDI: 0000000000000001
# 97.22 [+0.00] [ 1635.409341] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 97.22 [+0.00] [ 1635.409343] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562db434c5e0
# 97.22 [+0.00] [ 1635.409345] R13: 0000562db432d2a0 R14: 0000000000000001 R15: 0000562db434c5e0
| xx__-> echo $?
| 0
| xx__-> [ 1563.527173][T11825] Mirror/redirect action on
| [ 1635.408380][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1635.409001][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1635.409006][    C0] Call Trace:
[ 1635.409008][    C0]  <IRQ>
[ 1635.409011][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1635.409034][ C0] __report_bad_irq (kernel/irq/spurious.c:205) 
[ 1635.409045][ C0] note_interrupt (kernel/irq/spurious.c:407) 
[ 1635.409054][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1635.409060][ C0] handle_edge_irq (kernel/irq/chip.c:799) 
[ 1635.409071][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
[ 1635.409082][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1635.409088][    C0]  </IRQ>
[ 1635.409090][    C0]  <TASK>
[ 1635.409094][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1635.409099][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1635.409107][ C0] Code: 74 24 10 e8 31 48 7c fd 48 89 ef e8 e9 9a 7c fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> aa 58 70 fd 65 8b 05 e3 fa b3 02 85 c0 74 0e 5b 5d e9 c8 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	31 48 7c             	xor    %ecx,0x7c(%rax)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 e9 9a 7c fd       	call   0xfffffffffd7c9af9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 aa 58 70 fd       	call   0xfffffffffd7058d9		<-- trapping instruction
  2f:	65 8b 05 e3 fa b3 02 	mov    %gs:0x2b3fae3(%rip),%eax        # 0x2b3fb19
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	c8                   	.byte 0xc8
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 aa 58 70 fd       	call   0xfffffffffd7058af
   5:	65 8b 05 e3 fa b3 02 	mov    %gs:0x2b3fae3(%rip),%eax        # 0x2b3faef
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	c8                   	.byte 0xc8
  14:	34 00                	xor    $0x0,%al
[ 1635.409110][    C0] RSP: 0018:ffffc90002d2faa0 EFLAGS: 00000206
[ 1635.409115][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[ 1635.409117][    C0] RDX: 0000000000000000 RSI: ffffffffad0b150e RDI: 0000000000000001
[ 1635.409119][    C0] RBP: ffffffffaffba200 R08: 0000000000000001 R09: 0000000000000001
[ 1635.409121][    C0] R10: ffffffffae0017d7 R11: ffff888006348970 R12: 00000000ffffffff
[ 1635.409123][    C0] R13: 0000000000000001 R14: ffffffffaffba308 R15: 00000000ffffffff
[ 1635.409140][ C0] 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) 
[ 1635.409155][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1635.409164][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1635.409172][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1635.409184][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1635.409190][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1635.409198][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1635.409203][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1635.409217][ C0] iterate_tty_write (drivers/tty/tty_io.c:1006) 
[ 1635.409236][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1635.409245][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1635.409254][ C0] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
[ 1635.409263][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 1635.409270][ C0] ? __pfx_vfs_write (fs/read_write.c:667) 
[ 1635.409278][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1635.409291][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1635.409301][ C0] ksys_write (fs/read_write.c:738) 
[ 1635.409306][ C0] ? __pfx_ksys_write (fs/read_write.c:728) 
[ 1635.409317][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1635.409323][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1635.409326][    C0] RIP: 0033:0x7fb4bcdfc337
[ 1635.409332][ C0] 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
[ 1635.409334][    C0] RSP: 002b:00007ffc4fa7b988 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1635.409337][    C0] RAX: ffffffffffffffda RBX: 0000562db43613f0 RCX: 00007fb4bcdfc337
[ 1635.409339][    C0] RDX: 0000000000000001 RSI: 0000562db43613f0 RDI: 0000000000000001
[ 1635.409341][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1635.409343][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562db434c5e0


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