======================================
| # 86.26 [+0.00] [  822.539007] veth1: left allmulticast mode
| # 86.26 [+0.00] [  822.539324] veth1: left promiscuous mode
| # 86.26 [+0.00] [  822.540203] br1: port 1(veth1) entered disabled state
| # 86.26 [+0.00] [  861.127889] irq 51: nobody cared (try booting with the "irqpoll" option)
# 86.27 [+0.00] [  861.128584] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 86.27 [+0.00] [  861.128834] Call Trace:
# 86.27 [+0.00] [  861.128987]  <IRQ>
# 86.27 [+0.00] [  861.129102] dump_stack_lvl (lib/dump_stack.c:123) 
# 86.27 [+0.00] [  861.129313] __report_bad_irq (kernel/irq/spurious.c:214) 
# 86.27 [+0.00] [  861.129517] note_interrupt (kernel/irq/spurious.c:423) 
# 86.27 [+0.00] [  861.129713] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 86.27 [+0.00] [  861.129909] handle_edge_irq (kernel/irq/chip.c:833) 
# 86.28 [+0.00] [  861.130107] __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) 
# 86.28 [+0.00] [  861.130299] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 86.28 [+0.00] [  861.130492]  </IRQ>
# 86.28 [+0.00] [  861.130594]  <TASK>
# 86.28 [+0.00] [  861.130693] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 86.28 [+0.00] [  861.130895] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 86.28 [+0.00] [ 861.131147] Code: 10 e8 41 af 85 fd 48 89 ef e8 a9 21 86 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 85 f8 98 74 <74> 0e 5b 5d c3 cc cc cc cc e8 0f 08 ab fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	41 af                	rex.B scas %es:(%rdi),%eax
   4:	85 fd                	test   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 a9 21 86 fd       	call   0xfffffffffd8621b7
   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 85 f8 98 74 	decl   %gs:0x7498f885(%rip)        # 0x7498f8af
  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 0f 08 ab fd       	call   0xfffffffffdab0847
  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 0f 08 ab fd       	call   0xfffffffffdab081d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 86.29 [+0.00] [  861.131794] RSP: 0018:ffffc900017a7aa0 EFLAGS: 00000286
# 86.29 [+0.00] [  861.132034] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1d416ca
# 86.29 [+0.00] [  861.132323] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8b6ace51
# 86.29 [+0.00] [  861.132608] RBP: ffffffff8f2d24a0 R08: 0000000000000001 R09: fffffbfff1d3cdcf
# 86.29 [+0.00] [  861.132891] R10: ffffffff8e9e6e7f R11: ffff888008680040 R12: 00000000ffffffff
# 86.30 [+0.00] [  861.133175] R13: 0000000000000001 R14: ffffffff8f2d25a8 R15: 00000000ffffffff
# 86.30 [+0.00] [  861.133473] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 86.30 [+0.00] [  861.133725] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 86.30 [+0.00] [  861.133879] process_output_block (drivers/tty/n_tty.c:574) 
# 86.30 [+0.00] [  861.134068] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 86.30 [+0.00] [  861.134309] n_tty_write (drivers/tty/n_tty.c:2390) 
# 86.31 [+0.01] [  861.134505] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 86.32 [+0.01] [  861.134692] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 86.32 [+0.00] [  861.134886] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 86.32 [+0.00] [  861.135075] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 86.32 [+0.00] [  861.135274] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 86.32 [+0.00] [  861.135462] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 86.32 [+0.00] [  861.135678] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 86.32 [+0.00] [  861.135876] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 86.33 [+0.00] [  861.136074] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 86.33 [+0.00] [  861.136265] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
# 86.33 [+0.00] [  861.136411] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
# 86.33 [+0.00] [  861.136595] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 86.33 [+0.00] [  861.136784] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
# 86.33 [+0.00] [  861.136984] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 86.33 [+0.00] [  861.137173] ? __pfx_vfs_write (fs/read_write.c:664) 
# 86.33 [+0.00] [  861.137365] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) 
# 86.33 [+0.00] [  861.137562] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
# 86.34 [+0.00] [  861.137802] ksys_write (fs/read_write.c:736) 
# 86.34 [+0.00] [  861.137946] ? __pfx_ksys_write (fs/read_write.c:726) 
# 86.34 [+0.00] [  861.138146] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 86.34 [+0.00] [  861.138338] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 86.34 [+0.00] [  861.138577] RIP: 0033:0x7f01e25b0957
# 86.34 [+0.00] [ 861.138771] 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
# 86.35 [+0.00] [  861.139423] RSP: 002b:00007ffeacf12bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 86.35 [+0.00] [  861.139711] RAX: ffffffffffffffda RBX: 000055cb5c8ae3f0 RCX: 00007f01e25b0957
# 86.35 [+0.00] [  861.139995] RDX: 0000000000000001 RSI: 000055cb5c8ae3f0 RDI: 0000000000000001
# 86.35 [+0.00] [  861.140265] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 86.35 [+0.00] [  861.140539] R10: 0000000000000001 R11: 0000000000000246 R12: 000055cb5c8995e0
# 86.36 [+0.00] [  861.140817] R13: 000055cb5c87a2a0 R14: 0000000000000001 R15: 000055cb5c8995e0
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  861.127889][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  861.128584][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  861.128834][    C0] Call Trace:
[  861.128987][    C0]  <IRQ>
[ 861.129102][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 861.129313][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 861.129517][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 861.129713][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 861.129909][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 861.130107][ 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) 
[ 861.130299][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  861.130492][    C0]  </IRQ>
[  861.130594][    C0]  <TASK>
[ 861.130693][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 861.130895][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 861.131147][ C0] Code: 10 e8 41 af 85 fd 48 89 ef e8 a9 21 86 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 85 f8 98 74 <74> 0e 5b 5d c3 cc cc cc cc e8 0f 08 ab fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	41 af                	rex.B scas %es:(%rdi),%eax
   4:	85 fd                	test   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 a9 21 86 fd       	call   0xfffffffffd8621b7
   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 85 f8 98 74 	decl   %gs:0x7498f885(%rip)        # 0x7498f8af
  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 0f 08 ab fd       	call   0xfffffffffdab0847
  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 0f 08 ab fd       	call   0xfffffffffdab081d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  861.131794][    C0] RSP: 0018:ffffc900017a7aa0 EFLAGS: 00000286
[  861.132034][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1d416ca
[  861.132323][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8b6ace51
[  861.132608][    C0] RBP: ffffffff8f2d24a0 R08: 0000000000000001 R09: fffffbfff1d3cdcf
[  861.132891][    C0] R10: ffffffff8e9e6e7f R11: ffff888008680040 R12: 00000000ffffffff
[  861.133175][    C0] R13: 0000000000000001 R14: ffffffff8f2d25a8 R15: 00000000ffffffff
[ 861.133473][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 861.133725][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 861.133879][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 861.134068][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 861.134309][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 861.134505][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 861.134692][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 861.134886][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 861.135075][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 861.135274][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 861.135462][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 861.135678][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 861.135876][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 861.136074][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 861.136265][ C0] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 861.136411][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 861.136595][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 861.136784][ C0] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
[ 861.136984][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 861.137173][ C0] ? __pfx_vfs_write (fs/read_write.c:664) 
[ 861.137365][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) 
[ 861.137562][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
[ 861.137802][ C0] ksys_write (fs/read_write.c:736) 
[ 861.137946][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 861.138146][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 861.138338][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  861.138577][    C0] RIP: 0033:0x7f01e25b0957
[ 861.138771][ 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
[  861.139423][    C0] RSP: 002b:00007ffeacf12bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  861.139711][    C0] RAX: ffffffffffffffda RBX: 000055cb5c8ae3f0 RCX: 00007f01e25b0957
[  861.139995][    C0] RDX: 0000000000000001 RSI: 000055cb5c8ae3f0 RDI: 0000000000000001
[  861.140265][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  861.140539][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055cb5c8995e0


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