======================================
| # 75.49 [+0.00] [  982.721359] vx10: left allmulticast mode
| # 75.50 [+0.00] [  982.721638] vx10: left promiscuous mode
| # 75.50 [+0.00] [  982.722065] br1: port 1(vx10) entered disabled state
| # 75.50 [+0.00] [ 1021.252160] irq 51: nobody cared (try booting with the "irqpoll" option)
# 75.50 [+0.00] [ 1021.252692] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 75.50 [+0.00] [ 1021.252698] Call Trace:
# 75.50 [+0.00] [ 1021.252701]  <IRQ>
# 75.51 [+0.00] [ 1021.252704] dump_stack_lvl (lib/dump_stack.c:123) 
# 75.51 [+0.00] [ 1021.252734] __report_bad_irq (kernel/irq/spurious.c:214) 
# 75.51 [+0.00] [ 1021.252751] note_interrupt (kernel/irq/spurious.c:423) 
# 75.51 [+0.00] [ 1021.252762] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 75.51 [+0.00] [ 1021.252774] handle_edge_irq (kernel/irq/chip.c:833) 
# 75.51 [+0.00] [ 1021.252791] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:249 arch/x86/kernel/irq.c:261 arch/x86/kernel/irq.c:287) 
# 75.51 [+0.00] [ 1021.252813] common_interrupt (arch/x86/kernel/irq.c:280 (discriminator 14)) 
# 75.51 [+0.00] [ 1021.252823]  </IRQ>
# 75.51 [+0.00] [ 1021.252827]  <TASK>
# 75.51 [+0.00] [ 1021.252832] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 75.51 [+0.00] [ 1021.252843] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 75.52 [+0.00] [ 1021.252850] Code: 10 e8 71 2d 87 fd 48 89 ef e8 b9 9d 87 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 35 fd 6e 58 <74> 0e 5b 5d c3 cc cc cc cc e8 5f cf ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	71 2d                	jno    0x31
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 b9 9d 87 fd       	call   0xfffffffffd879dc7
   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 35 fd 6e 58 	decl   %gs:0x586efd35(%rip)        # 0x586efd5f
  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 5f cf ac fd       	call   0xfffffffffdaccf97
  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 5f cf ac fd       	call   0xfffffffffdaccf6d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 75.52 [+0.00] [ 1021.252853] RSP: 0018:ffffc90001b47aa0 EFLAGS: 00000286
# 75.52 [+0.00] [ 1021.252860] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff554a82b
# 75.52 [+0.00] [ 1021.252862] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa794c7e1
# 75.53 [+0.00] [ 1021.252863] RBP: ffffffffab31ab60 R08: 0000000000000001 R09: fffffbfff5545deb
# 75.53 [+0.00] [ 1021.252865] R10: ffffffffaaa2ef5f R11: ffff88800f7c8040 R12: 00000000ffffffff
# 75.53 [+0.00] [ 1021.252867] R13: 0000000000000001 R14: ffffffffab31ac68 R15: 00000000ffffffff
# 75.53 [+0.00] [ 1021.252879] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 75.53 [+0.00] [ 1021.252886] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 75.54 [+0.00] [ 1021.252907] process_output_block (drivers/tty/n_tty.c:574) 
# 75.54 [+0.00] [ 1021.252915] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
# 75.54 [+0.00] [ 1021.252930] n_tty_write (drivers/tty/n_tty.c:2390) 
# 75.54 [+0.00] [ 1021.252940] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 75.54 [+0.00] [ 1021.252944] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
# 75.54 [+0.00] [ 1021.252948] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 75.54 [+0.00] [ 1021.252957] ? lock_acquire (kernel/locking/lockdep.c:5824) 
# 75.54 [+0.00] [ 1021.252960] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 75.55 [+0.00] [ 1021.252974] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 75.55 [+0.00] [ 1021.252981] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 75.55 [+0.00] [ 1021.252991] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 75.55 [+0.00] [ 1021.252999] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 75.55 [+0.00] [ 1021.253009] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
# 75.55 [+0.00] [ 1021.253016] ? __pfx_vfs_write (fs/read_write.c:660) 
# 75.55 [+0.00] [ 1021.253022] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 75.55 [+0.00] [ 1021.253046] ksys_write (fs/read_write.c:731) 
# 75.56 [+0.00] [ 1021.253050] ? __pfx_ksys_write (fs/read_write.c:721) 
# 75.56 [+0.00] [ 1021.253062] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 75.56 [+0.00] [ 1021.253072] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 75.56 [+0.00] [ 1021.253076] RIP: 0033:0x7f531b448b77
# 75.56 [+0.00] [ 1021.253080] 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
# 75.57 [+0.01] [ 1021.253083] RSP: 002b:00007ffc25160088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 75.57 [+0.00] [ 1021.253086] RAX: ffffffffffffffda RBX: 0000557451db22b0 RCX: 00007f531b448b77
# 75.57 [+0.00] [ 1021.253088] RDX: 0000000000000001 RSI: 0000557451db22b0 RDI: 0000000000000001
# 75.57 [+0.00] [ 1021.253089] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 75.57 [+0.00] [ 1021.253091] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557451d9d5e0
# 75.58 [+0.00] [ 1021.253092] R13: 0000557451d7e2a0 R14: 0000000000000001 R15: 0000557451d9d5e0
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [ 1021.252160][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1021.252692][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1021.252698][    C0] Call Trace:
[ 1021.252701][    C0]  <IRQ>
[ 1021.252704][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1021.252734][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1021.252751][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 1021.252762][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1021.252774][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1021.252791][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:249 arch/x86/kernel/irq.c:261 arch/x86/kernel/irq.c:287) 
[ 1021.252813][ C0] common_interrupt (arch/x86/kernel/irq.c:280 (discriminator 14)) 
[ 1021.252823][    C0]  </IRQ>
[ 1021.252827][    C0]  <TASK>
[ 1021.252832][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1021.252843][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1021.252850][ C0] Code: 10 e8 71 2d 87 fd 48 89 ef e8 b9 9d 87 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 35 fd 6e 58 <74> 0e 5b 5d c3 cc cc cc cc e8 5f cf ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	71 2d                	jno    0x31
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 b9 9d 87 fd       	call   0xfffffffffd879dc7
   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 35 fd 6e 58 	decl   %gs:0x586efd35(%rip)        # 0x586efd5f
  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 5f cf ac fd       	call   0xfffffffffdaccf97
  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 5f cf ac fd       	call   0xfffffffffdaccf6d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 1021.252853][    C0] RSP: 0018:ffffc90001b47aa0 EFLAGS: 00000286
[ 1021.252860][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff554a82b
[ 1021.252862][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa794c7e1
[ 1021.252863][    C0] RBP: ffffffffab31ab60 R08: 0000000000000001 R09: fffffbfff5545deb
[ 1021.252865][    C0] R10: ffffffffaaa2ef5f R11: ffff88800f7c8040 R12: 00000000ffffffff
[ 1021.252867][    C0] R13: 0000000000000001 R14: ffffffffab31ac68 R15: 00000000ffffffff
[ 1021.252879][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1021.252886][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1021.252907][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 1021.252915][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 1021.252930][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 1021.252940][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 1021.252944][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 1021.252948][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1021.252957][ C0] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 1021.252960][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1021.252974][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1021.252981][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1021.252991][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1021.252999][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 1021.253009][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5816) 
[ 1021.253016][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 1021.253022][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1021.253046][ C0] ksys_write (fs/read_write.c:731) 
[ 1021.253050][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 1021.253062][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1021.253072][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1021.253076][    C0] RIP: 0033:0x7f531b448b77
[ 1021.253080][ 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
[ 1021.253083][    C0] RSP: 002b:00007ffc25160088 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1021.253086][    C0] RAX: ffffffffffffffda RBX: 0000557451db22b0 RCX: 00007f531b448b77
[ 1021.253088][    C0] RDX: 0000000000000001 RSI: 0000557451db22b0 RDI: 0000000000000001
[ 1021.253089][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1021.253091][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000557451d9d5e0


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