======================================
| # 84.81 [+0.00] [  899.953910] veth1: left allmulticast mode
| # 84.81 [+0.00] [  899.954173] veth1: left promiscuous mode
| # 84.81 [+0.00] [  899.954562] br1: port 1(veth1) entered disabled state
| # 84.81 [+0.00] [  938.312709] irq 51: nobody cared (try booting with the "irqpoll" option)
# 84.81 [+0.00] [  938.313395] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 84.81 [+0.00] [  938.313636] Call Trace:
# 84.81 [+0.00] [  938.313778]  <IRQ>
# 84.82 [+0.00] [  938.313877] dump_stack_lvl (lib/dump_stack.c:123) 
# 84.82 [+0.00] [  938.314073] __report_bad_irq (kernel/irq/spurious.c:214) 
# 84.82 [+0.00] [  938.314257] note_interrupt (kernel/irq/spurious.c:423) 
# 84.82 [+0.00] [  938.314441] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 84.82 [+0.00] [  938.314625] handle_edge_irq (kernel/irq/chip.c:833) 
# 84.82 [+0.00] [  938.314810] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
# 84.82 [+0.00] [  938.314991] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 84.82 [+0.00] [  938.315197]  </IRQ>
# 84.82 [+0.00] [  938.315307]  <TASK>
# 84.82 [+0.00] [  938.315400] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 84.82 [+0.00] [  938.315581] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 84.83 [+0.00] [ 938.315816] Code: 10 e8 11 9a 83 fd 48 89 ef e8 c9 0e 84 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d e5 93 56 6b <74> 0e 5b 5d c3 cc cc cc cc e8 ff f6 a8 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	11 9a 83 fd 48 89    	adc    %ebx,-0x76b7027d(%rdx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 c9 0e 84 fd       	call   0xfffffffffd840ed7
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d e5 93 56 6b 	decl   %gs:0x6b5693e5(%rip)        # 0x6b56940f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 ff f6 a8 fd       	call   0xfffffffffda8f737
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 ff f6 a8 fd       	call   0xfffffffffda8f70d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 84.83 [+0.00] [  938.316473] RSP: 0018:ffffc900012d7aa0 EFLAGS: 00000286
# 84.83 [+0.00] [  938.316705] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2fc40da
# 84.83 [+0.00] [  938.316984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff94ad3371
# 84.84 [+0.00] [  938.317252] RBP: ffffffff986e78a0 R08: 0000000000000001 R09: fffffbfff2fbf7df
# 84.84 [+0.00] [  938.317518] R10: ffffffff97dfbeff R11: ffff88800fc90040 R12: 00000000ffffffff
# 84.84 [+0.00] [  938.317791] R13: 0000000000000001 R14: ffffffff986e79a8 R15: 00000000ffffffff
# 84.84 [+0.00] [  938.318094] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 84.84 [+0.00] [  938.318328] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 84.84 [+0.00] [  938.318473] process_output_block (drivers/tty/n_tty.c:574) 
# 84.85 [+0.00] [  938.318653] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 84.85 [+0.00] [  938.318896] n_tty_write (drivers/tty/n_tty.c:2390) 
# 84.85 [+0.00] [  938.319082] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 84.85 [+0.00] [  938.319259] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 84.85 [+0.00] [  938.319438] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 84.85 [+0.00] [  938.319627] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 84.85 [+0.00] [  938.319809] ? lock_acquire (kernel/locking/lockdep.c:5822) 
# 84.85 [+0.00] [  938.319995] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 84.85 [+0.00] [  938.320178] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 84.86 [+0.00] [  938.320358] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 84.86 [+0.00] [  938.320555] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 84.86 [+0.00] [  938.320737] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 84.86 [+0.00] [  938.320873] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) 
# 84.86 [+0.00] [  938.321073] ? __pfx_vfs_write (fs/read_write.c:660) 
# 84.86 [+0.00] [  938.321259] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 84.86 [+0.00] [  938.321448] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
# 84.86 [+0.00] [  938.321686] ksys_write (fs/read_write.c:731) 
# 84.86 [+0.00] [  938.321821] ? __pfx_ksys_write (fs/read_write.c:721) 
# 84.87 [+0.00] [  938.322015] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 84.87 [+0.00] [  938.322209] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 84.87 [+0.00] [  938.322427] RIP: 0033:0x7f0c716d4957
# 84.87 [+0.00] [ 938.322620] 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
# 84.87 [+0.00] [  938.323238] RSP: 002b:00007ffd3d118c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 84.88 [+0.00] [  938.323512] RAX: ffffffffffffffda RBX: 000055bd2d2cb3f0 RCX: 00007f0c716d4957
# 84.88 [+0.00] [  938.323776] RDX: 0000000000000001 RSI: 000055bd2d2cb3f0 RDI: 0000000000000001
# 84.88 [+0.00] [  938.324044] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 84.88 [+0.00] [  938.324308] R10: 0000000000000001 R11: 0000000000000246 R12: 000055bd2d2b65e0
# 84.88 [+0.00] [  938.324569] R13: 000055bd2d2972a0 R14: 0000000000000001 R15: 000055bd2d2b65e0
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  938.312709][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  938.313395][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  938.313636][    C0] Call Trace:
[  938.313778][    C0]  <IRQ>
[ 938.313877][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 938.314073][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 938.314257][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 938.314441][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 938.314625][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 938.314810][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
[ 938.314991][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  938.315197][    C0]  </IRQ>
[  938.315307][    C0]  <TASK>
[ 938.315400][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 938.315581][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 938.315816][ C0] Code: 10 e8 11 9a 83 fd 48 89 ef e8 c9 0e 84 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d e5 93 56 6b <74> 0e 5b 5d c3 cc cc cc cc e8 ff f6 a8 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	11 9a 83 fd 48 89    	adc    %ebx,-0x76b7027d(%rdx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 c9 0e 84 fd       	call   0xfffffffffd840ed7
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d e5 93 56 6b 	decl   %gs:0x6b5693e5(%rip)        # 0x6b56940f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 ff f6 a8 fd       	call   0xfffffffffda8f737
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 ff f6 a8 fd       	call   0xfffffffffda8f70d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  938.316473][    C0] RSP: 0018:ffffc900012d7aa0 EFLAGS: 00000286
[  938.316705][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff2fc40da
[  938.316984][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff94ad3371
[  938.317252][    C0] RBP: ffffffff986e78a0 R08: 0000000000000001 R09: fffffbfff2fbf7df
[  938.317518][    C0] R10: ffffffff97dfbeff R11: ffff88800fc90040 R12: 00000000ffffffff
[  938.317791][    C0] R13: 0000000000000001 R14: ffffffff986e79a8 R15: 00000000ffffffff
[ 938.318094][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 938.318328][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 938.318473][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 938.318653][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 938.318896][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 938.319082][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 938.319259][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 938.319438][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 938.319627][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 938.319809][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822) 
[ 938.319995][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 938.320178][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 938.320358][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 938.320555][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 938.320737][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 938.320873][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) 
[ 938.321073][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 938.321259][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 938.321448][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 938.321686][ C0] ksys_write (fs/read_write.c:731) 
[ 938.321821][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 938.322015][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 938.322209][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  938.322427][    C0] RIP: 0033:0x7f0c716d4957
[ 938.322620][ 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
[  938.323238][    C0] RSP: 002b:00007ffd3d118c58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  938.323512][    C0] RAX: ffffffffffffffda RBX: 000055bd2d2cb3f0 RCX: 00007f0c716d4957
[  938.323776][    C0] RDX: 0000000000000001 RSI: 000055bd2d2cb3f0 RDI: 0000000000000001
[  938.324044][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  938.324308][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055bd2d2b65e0


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