======================================
| # 96.87 [+0.00] [ 1114.340059] vx10: left promiscuous mode
| # 96.87 [+0.00] [ 1114.340533] br1: port 1(vx10) entered disabled state
| # 96.87 [+0.00] [ 1139.142275] Mirror/redirect action on
| # 96.87 [+0.00] [ 1210.068380] irq 51: nobody cared (try booting with the "irqpoll" option)
# 96.88 [+0.00] [ 1210.069064] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 96.88 [+0.00] [ 1210.069067] Call Trace:
# 96.88 [+0.00] [ 1210.069069]  <IRQ>
# 96.88 [+0.00] [ 1210.069072] dump_stack_lvl (lib/dump_stack.c:123) 
# 96.88 [+0.00] [ 1210.069086] __report_bad_irq (kernel/irq/spurious.c:214) 
# 96.88 [+0.00] [ 1210.069097] note_interrupt (kernel/irq/spurious.c:423) 
# 96.88 [+0.00] [ 1210.069105] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 96.88 [+0.00] [ 1210.069111] handle_edge_irq (kernel/irq/chip.c:833) 
# 96.89 [+0.00] [ 1210.069122] __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) 
# 96.89 [+0.00] [ 1210.069130] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 96.89 [+0.00] [ 1210.069136]  </IRQ>
# 96.89 [+0.00] [ 1210.069137]  <TASK>
# 96.89 [+0.00] [ 1210.069141] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 96.89 [+0.00] [ 1210.069146] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 96.89 [+0.00] [ 1210.069154] Code: 74 24 10 e8 c1 2c 80 fd 48 89 ef e8 39 7f 80 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> 5a 87 74 fd 65 8b 05 63 58 96 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 2c 80 fd          	shrl   $0xfd,(%rax,%rax,4)
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 39 7f 80 fd       	call   0xfffffffffd807f49
  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 5a 87 74 fd       	call   0xfffffffffd748789		<-- trapping instruction
  2f:	65 8b 05 63 58 96 02 	mov    %gs:0x2965863(%rip),%eax        # 0x2965899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 5a 87 74 fd       	call   0xfffffffffd74875f
   5:	65 8b 05 63 58 96 02 	mov    %gs:0x2965863(%rip),%eax        # 0x296586f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
# 96.89 [+0.00] [ 1210.069157] RSP: 0018:ffffc9000b7b7aa0 EFLAGS: 00000206
# 96.90 [+0.00] [ 1210.069161] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 96.90 [+0.00] [ 1210.069163] RDX: 0000000000000000 RSI: ffffffffbcc97b67 RDI: 0000000000000001
# 96.90 [+0.00] [ 1210.069165] RBP: ffffffffbfb92ce0 R08: 0000000000000001 R09: 0000000000000001
# 96.90 [+0.00] [ 1210.069167] R10: ffffffffbdbf0f97 R11: ffff888005918970 R12: 00000000ffffffff
# 96.90 [+0.00] [ 1210.069169] R13: 0000000000000001 R14: ffffffffbfb92de8 R15: 00000000ffffffff
# 96.90 [+0.00] [ 1210.069185] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 96.91 [+0.00] [ 1210.069198] process_output_block (drivers/tty/n_tty.c:561) 
# 96.91 [+0.00] [ 1210.069204] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 96.91 [+0.00] [ 1210.069212] n_tty_write (drivers/tty/n_tty.c:2378) 
# 96.91 [+0.00] [ 1210.069222] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 96.91 [+0.00] [ 1210.069228] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 96.91 [+0.00] [ 1210.069237] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
# 96.91 [+0.00] [ 1210.069241] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 96.91 [+0.00] [ 1210.069253] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 96.91 [+0.00] [ 1210.069260] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 96.91 [+0.00] [ 1210.069268] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 96.92 [+0.00] [ 1210.069276] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
# 96.92 [+0.00] [ 1210.069287] ? __pfx_vfs_write (fs/read_write.c:665) 
# 96.92 [+0.00] [ 1210.069294] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
# 96.92 [+0.00] [ 1210.069300] ? rseq_update_cpu_node_id (kernel/rseq.c:189 (discriminator 10)) 
# 96.92 [+0.00] [ 1210.069306] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
# 96.92 [+0.00] [ 1210.069317] ksys_write (fs/read_write.c:736) 
# 96.92 [+0.00] [ 1210.069322] ? __pfx_ksys_write (fs/read_write.c:726) 
# 96.92 [+0.00] [ 1210.069334] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 96.92 [+0.00] [ 1210.069341] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 96.92 [+0.00] [ 1210.069343] RIP: 0033:0x7fb98787bb77
# 96.93 [+0.00] [ 1210.069349] 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
# 96.93 [+0.00] [ 1210.069351] RSP: 002b:00007fffd0e20688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 96.93 [+0.00] [ 1210.069354] RAX: ffffffffffffffda RBX: 000056481475a3f0 RCX: 00007fb98787bb77
# 96.93 [+0.00] [ 1210.069356] RDX: 0000000000000001 RSI: 000056481475a3f0 RDI: 0000000000000001
# 96.94 [+0.00] [ 1210.069357] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 96.94 [+0.00] [ 1210.069359] R10: 0000000000000001 R11: 0000000000000246 R12: 00005648147455e0
# 96.94 [+0.00] [ 1210.069360] R13: 00005648147262a0 R14: 0000000000000001 R15: 00005648147455e0
| xx__-> echo $?
| 0
| xx__-> [ 1139.142275][T12348] Mirror/redirect action on
| [ 1210.068380][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1210.069064][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1210.069067][    C0] Call Trace:
[ 1210.069069][    C0]  <IRQ>
[ 1210.069072][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1210.069086][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1210.069097][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 1210.069105][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1210.069111][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1210.069122][ 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) 
[ 1210.069130][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1210.069136][    C0]  </IRQ>
[ 1210.069137][    C0]  <TASK>
[ 1210.069141][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1210.069146][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1210.069154][ C0] Code: 74 24 10 e8 c1 2c 80 fd 48 89 ef e8 39 7f 80 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> 5a 87 74 fd 65 8b 05 63 58 96 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 2c 80 fd          	shrl   $0xfd,(%rax,%rax,4)
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 39 7f 80 fd       	call   0xfffffffffd807f49
  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 5a 87 74 fd       	call   0xfffffffffd748789		<-- trapping instruction
  2f:	65 8b 05 63 58 96 02 	mov    %gs:0x2965863(%rip),%eax        # 0x2965899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 5a 87 74 fd       	call   0xfffffffffd74875f
   5:	65 8b 05 63 58 96 02 	mov    %gs:0x2965863(%rip),%eax        # 0x296586f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[ 1210.069157][    C0] RSP: 0018:ffffc9000b7b7aa0 EFLAGS: 00000206
[ 1210.069161][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1210.069163][    C0] RDX: 0000000000000000 RSI: ffffffffbcc97b67 RDI: 0000000000000001
[ 1210.069165][    C0] RBP: ffffffffbfb92ce0 R08: 0000000000000001 R09: 0000000000000001
[ 1210.069167][    C0] R10: ffffffffbdbf0f97 R11: ffff888005918970 R12: 00000000ffffffff
[ 1210.069169][    C0] R13: 0000000000000001 R14: ffffffffbfb92de8 R15: 00000000ffffffff
[ 1210.069185][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1210.069198][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1210.069204][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1210.069212][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1210.069222][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1210.069228][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1210.069237][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1210.069241][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1210.069253][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1210.069260][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1210.069268][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1210.069276][ C0] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
[ 1210.069287][ C0] ? __pfx_vfs_write (fs/read_write.c:665) 
[ 1210.069294][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 1210.069300][ C0] ? rseq_update_cpu_node_id (kernel/rseq.c:189 (discriminator 10)) 
[ 1210.069306][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 1210.069317][ C0] ksys_write (fs/read_write.c:736) 
[ 1210.069322][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1210.069334][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1210.069341][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1210.069343][    C0] RIP: 0033:0x7fb98787bb77
[ 1210.069349][ 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
[ 1210.069351][    C0] RSP: 002b:00007fffd0e20688 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1210.069354][    C0] RAX: ffffffffffffffda RBX: 000056481475a3f0 RCX: 00007fb98787bb77
[ 1210.069356][    C0] RDX: 0000000000000001 RSI: 000056481475a3f0 RDI: 0000000000000001
[ 1210.069357][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1210.069359][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005648147455e0


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