======================================
| # 94.21 [+0.00] [ 1448.896543] vx10: left promiscuous mode
| # 94.22 [+0.00] [ 1448.897047] br1: port 1(vx10) entered disabled state
| # 94.22 [+0.00] [ 1473.443286] Mirror/redirect action on
| # 94.22 [+0.00] [ 1545.335304] irq 51: nobody cared (try booting with the "irqpoll" option)
# 94.22 [+0.00] [ 1545.335902] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 94.22 [+0.00] [ 1545.335905] Call Trace:
# 94.22 [+0.00] [ 1545.335909]  <IRQ>
# 94.22 [+0.00] [ 1545.335912] dump_stack_lvl (lib/dump_stack.c:123) 
# 94.22 [+0.00] [ 1545.335941] __report_bad_irq (kernel/irq/spurious.c:205) 
# 94.23 [+0.00] [ 1545.335961] note_interrupt (kernel/irq/spurious.c:407) 
# 94.23 [+0.00] [ 1545.335970] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 94.23 [+0.00] [ 1545.335975] handle_edge_irq (kernel/irq/chip.c:791) 
# 94.23 [+0.00] [ 1545.335986] __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) 
# 94.23 [+0.00] [ 1545.336003] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 94.23 [+0.00] [ 1545.336011]  </IRQ>
# 94.23 [+0.00] [ 1545.336012]  <TASK>
# 94.23 [+0.00] [ 1545.336016] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 94.23 [+0.00] [ 1545.336025] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 94.23 [+0.00] [ 1545.336033] Code: 74 24 10 e8 a1 58 7c fd 48 89 ef e8 59 ab 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> 1a 69 70 fd 65 8b 05 b3 0b b4 02 85 c0 74 0e 5b 5d e9 98 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	a1 58 7c fd 48 89 ef 	movabs 0x59e8ef8948fd7c58,%eax
   b:	e8 59 
   d:	ab                   	stos   %eax,%es:(%rdi)
   e:	7c fd                	jl     0xd
  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 1a 69 70 fd       	call   0xfffffffffd706949		<-- trapping instruction
  2f:	65 8b 05 b3 0b b4 02 	mov    %gs:0x2b40bb3(%rip),%eax        # 0x2b40be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	98                   	cwtl
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 1a 69 70 fd       	call   0xfffffffffd70691f
   5:	65 8b 05 b3 0b b4 02 	mov    %gs:0x2b40bb3(%rip),%eax        # 0x2b40bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	98                   	cwtl
  14:	34 00                	xor    $0x0,%al
# 94.24 [+0.00] [ 1545.336036] RSP: 0018:ffffc90002c7faa0 EFLAGS: 00000206
# 94.24 [+0.00] [ 1545.336042] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
# 94.24 [+0.00] [ 1545.336044] RDX: 0000000000000000 RSI: ffffffff9b8af3c8 RDI: 0000000000000001
# 94.24 [+0.00] [ 1545.336046] RBP: ffffffff9e7ba240 R08: 0000000000000001 R09: 0000000000000001
# 94.25 [+0.00] [ 1545.336048] R10: ffffffff9c8001d7 R11: ffff888006110970 R12: 00000000ffffffff
# 94.25 [+0.00] [ 1545.336050] R13: 0000000000000001 R14: ffffffff9e7ba348 R15: 00000000ffffffff
# 94.25 [+0.00] [ 1545.336066] 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) 
# 94.25 [+0.00] [ 1545.336084] process_output_block (drivers/tty/n_tty.c:561) 
# 94.25 [+0.00] [ 1545.336091] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 94.25 [+0.00] [ 1545.336100] n_tty_write (drivers/tty/n_tty.c:2378) 
# 94.25 [+0.00] [ 1545.336113] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 94.25 [+0.00] [ 1545.336119] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 94.25 [+0.00] [ 1545.336129] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
# 94.26 [+0.00] [ 1545.336135] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 94.26 [+0.00] [ 1545.336149] iterate_tty_write (drivers/tty/tty_io.c:1006) 
# 94.27 [+0.01] [ 1545.336156] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 94.27 [+0.00] [ 1545.336164] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 94.27 [+0.00] [ 1545.336172] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
# 94.27 [+0.00] [ 1545.336183] ? find_held_lock (kernel/locking/lockdep.c:5353) 
# 94.27 [+0.00] [ 1545.336190] ? __pfx_vfs_write (fs/read_write.c:667) 
# 94.27 [+0.00] [ 1545.336198] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 94.27 [+0.00] [ 1545.336214] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) 
# 94.27 [+0.00] [ 1545.336222] ksys_write (fs/read_write.c:738) 
# 94.27 [+0.00] [ 1545.336226] ? __pfx_ksys_write (fs/read_write.c:728) 
# 94.27 [+0.00] [ 1545.336238] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 94.28 [+0.00] [ 1545.336243] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 94.28 [+0.00] [ 1545.336246] RIP: 0033:0x7fe0a045b337
# 94.28 [+0.00] [ 1545.336251] 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
# 94.28 [+0.00] [ 1545.336253] RSP: 002b:00007ffc1f0d67d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 94.28 [+0.00] [ 1545.336256] RAX: ffffffffffffffda RBX: 00005617b80152b0 RCX: 00007fe0a045b337
# 94.29 [+0.00] [ 1545.336257] RDX: 0000000000000001 RSI: 00005617b80152b0 RDI: 0000000000000001
# 94.29 [+0.00] [ 1545.336259] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 94.29 [+0.00] [ 1545.336260] R10: 0000000000000001 R11: 0000000000000246 R12: 00005617b80005e0
# 94.29 [+0.00] [ 1545.336262] R13: 00005617b7fe12a0 R14: 0000000000000001 R15: 00005617b80005e0
| xx__-> echo $?
| 0
| xx__-> [ 1473.443286][T11826] Mirror/redirect action on
| [ 1545.335304][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1545.335902][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1545.335905][    C0] Call Trace:
[ 1545.335909][    C0]  <IRQ>
[ 1545.335912][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1545.335941][ C0] __report_bad_irq (kernel/irq/spurious.c:205) 
[ 1545.335961][ C0] note_interrupt (kernel/irq/spurious.c:407) 
[ 1545.335970][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1545.335975][ C0] handle_edge_irq (kernel/irq/chip.c:791) 
[ 1545.335986][ 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) 
[ 1545.336003][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1545.336011][    C0]  </IRQ>
[ 1545.336012][    C0]  <TASK>
[ 1545.336016][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1545.336025][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1545.336033][ C0] Code: 74 24 10 e8 a1 58 7c fd 48 89 ef e8 59 ab 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> 1a 69 70 fd 65 8b 05 b3 0b b4 02 85 c0 74 0e 5b 5d e9 98 34 00
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	a1 58 7c fd 48 89 ef 	movabs 0x59e8ef8948fd7c58,%eax
   b:	e8 59 
   d:	ab                   	stos   %eax,%es:(%rdi)
   e:	7c fd                	jl     0xd
  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 1a 69 70 fd       	call   0xfffffffffd706949		<-- trapping instruction
  2f:	65 8b 05 b3 0b b4 02 	mov    %gs:0x2b40bb3(%rip),%eax        # 0x2b40be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	e9                   	.byte 0xe9
  3d:	98                   	cwtl
  3e:	34 00                	xor    $0x0,%al

Code starting with the faulting instruction
===========================================
   0:	e8 1a 69 70 fd       	call   0xfffffffffd70691f
   5:	65 8b 05 b3 0b b4 02 	mov    %gs:0x2b40bb3(%rip),%eax        # 0x2b40bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	e9                   	.byte 0xe9
  13:	98                   	cwtl
  14:	34 00                	xor    $0x0,%al
[ 1545.336036][    C0] RSP: 0018:ffffc90002c7faa0 EFLAGS: 00000206
[ 1545.336042][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[ 1545.336044][    C0] RDX: 0000000000000000 RSI: ffffffff9b8af3c8 RDI: 0000000000000001
[ 1545.336046][    C0] RBP: ffffffff9e7ba240 R08: 0000000000000001 R09: 0000000000000001
[ 1545.336048][    C0] R10: ffffffff9c8001d7 R11: ffff888006110970 R12: 00000000ffffffff
[ 1545.336050][    C0] R13: 0000000000000001 R14: ffffffff9e7ba348 R15: 00000000ffffffff
[ 1545.336066][ 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) 
[ 1545.336084][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1545.336091][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1545.336100][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1545.336113][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1545.336119][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1545.336129][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5834) 
[ 1545.336135][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1545.336149][ C0] iterate_tty_write (drivers/tty/tty_io.c:1006) 
[ 1545.336156][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1545.336164][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1545.336172][ C0] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
[ 1545.336183][ C0] ? find_held_lock (kernel/locking/lockdep.c:5353) 
[ 1545.336190][ C0] ? __pfx_vfs_write (fs/read_write.c:667) 
[ 1545.336198][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1545.336214][ C0] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) 
[ 1545.336222][ C0] ksys_write (fs/read_write.c:738) 
[ 1545.336226][ C0] ? __pfx_ksys_write (fs/read_write.c:728) 
[ 1545.336238][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1545.336243][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1545.336246][    C0] RIP: 0033:0x7fe0a045b337
[ 1545.336251][ 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
[ 1545.336253][    C0] RSP: 002b:00007ffc1f0d67d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1545.336256][    C0] RAX: ffffffffffffffda RBX: 00005617b80152b0 RCX: 00007fe0a045b337
[ 1545.336257][    C0] RDX: 0000000000000001 RSI: 00005617b80152b0 RDI: 0000000000000001
[ 1545.336259][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1545.336260][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005617b80005e0


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