======================================
| # 127.41 [+0.00] [  265.495077] veth1: left allmulticast mode
| # 127.41 [+0.00] [  265.495514] veth2: left allmulticast mode
| # 127.41 [+0.00] [  265.495936] veth3: left allmulticast mode
| # 127.41 [+0.00] [  390.342734] irq 51: nobody cared (try booting with the "irqpoll" option)
# 127.42 [+0.00] [  390.343319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 127.42 [+0.00] [  390.343324] Call Trace:
# 127.43 [+0.01] [  390.343326]  <IRQ>
# 127.43 [+0.00] [  390.343329]  dump_stack_lvl (lib/dump_stack.c:123)
# 127.43 [+0.00] [  390.343354]  __report_bad_irq (kernel/irq/spurious.c:170)
# 127.43 [+0.00] [  390.343365]  note_interrupt (kernel/irq/spurious.c:372)
# 127.43 [+0.00] [  390.343372]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
# 127.44 [+0.00] [  390.343381]  handle_edge_irq (kernel/irq/chip.c:857)
# 127.44 [+0.00] [  390.343390]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
# 127.44 [+0.00] [  390.343404]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
# 127.44 [+0.00] [  390.343411]  </IRQ>
# 127.44 [+0.00] [  390.343412]  <TASK>
# 127.44 [+0.00] [  390.343415]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 127.44 [+0.00] [  390.343422] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 127.45 [+0.00] [  390.343433] Code: 74 24 10 e8 e1 d8 fe fd 48 89 ef e8 09 28 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 9a 60 f3 fd 65 8b 05 b3 6b 07 02 85 c0 74 0a 5b 5d c3 e8 97 eb
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	e1 d8                	loope  0xffffffffffffffde
   6:	fe                   	(bad)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 09 28 ff fd       	call   0xfffffffffdff2819
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  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 9a 60 f3 fd       	call   0xfffffffffdf360c9		<-- trapping instruction
  2f:	65 8b 05 b3 6b 07 02 	mov    %gs:0x2076bb3(%rip),%eax        # 0x2076be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	97                   	xchg   %eax,%edi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	e8 9a 60 f3 fd       	call   0xfffffffffdf3609f
   5:	65 8b 05 b3 6b 07 02 	mov    %gs:0x2076bb3(%rip),%eax        # 0x2076bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	97                   	xchg   %eax,%edi
  15:	eb                   	.byte 0xeb
# 127.45 [+0.01] [  390.343436] RSP: 0018:ffffc9000319fa88 EFLAGS: 00000206
# 127.46 [+0.00] [  390.343444] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
# 127.46 [+0.00] [  390.343446] RDX: 0000000000000000 RSI: ffffffffbb786bc5 RDI: 0000000000000001
# 127.46 [+0.00] [  390.343448] RBP: ffffffffbe06f560 R08: 0000000000000001 R09: 0000000000000001
# 127.46 [+0.00] [  390.343450] R10: ffffffffbc624557 R11: ffff888005878970 R12: 00000000ffffffff
# 127.47 [+0.00] [  390.343452] R13: 0000000000000001 R14: ffffffffbe06f668 R15: 00000000ffffffff
# 127.47 [+0.00] [  390.343469]  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:634)
# 127.47 [+0.00] [  390.343485]  process_output_block (drivers/tty/n_tty.c:561)
# 127.47 [+0.00] [  390.343497]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
# 127.48 [+0.00] [  390.343504]  n_tty_write (drivers/tty/n_tty.c:2378)
# 127.48 [+0.00] [  390.343507]  ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260)
# 127.48 [+0.00] [  390.343525]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
# 127.48 [+0.00] [  390.343531]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 127.48 [+0.00] [  390.343541]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
# 127.48 [+0.00] [  390.343545]  ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958)
# 127.49 [+0.00] [  390.343555]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 127.49 [+0.00] [  390.343562]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 127.49 [+0.00] [  390.343570]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081)
# 127.49 [+0.00] [  390.343577]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
# 127.49 [+0.00] [  390.343585]  ? irqentry_exit (kernel/entry/common.c:215)
# 127.49 [+0.00] [  390.343589]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
# 127.50 [+0.00] [  390.343593]  ? kernel_write (fs/read_write.c:667)
# 127.50 [+0.00] [  390.343606]  ? kasan_check_range (mm/kasan/generic.c:201)
# 127.50 [+0.00] [  390.343619]  ksys_write (fs/read_write.c:738)
# 127.50 [+0.00] [  390.343624]  ? __ia32_sys_read (fs/read_write.c:728)
# 127.50 [+0.00] [  390.343635]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
# 127.50 [+0.00] [  390.343640]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
# 127.51 [+0.00] [  390.343643] RIP: 0033:0x7faed65a0257
# 127.51 [+0.00] [  390.343648] 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
# 127.51 [+0.01] [  390.343651] RSP: 002b:00007ffca0853d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 127.52 [+0.00] [  390.343654] RAX: ffffffffffffffda RBX: 0000564acf1782e0 RCX: 00007faed65a0257
# 127.52 [+0.00] [  390.343656] RDX: 0000000000000001 RSI: 0000564acf1782e0 RDI: 0000000000000001
# 127.52 [+0.00] [  390.343658] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 127.53 [+0.00] [  390.343659] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564acf163600
# 127.53 [+0.00] [  390.343661] R13: 0000564acf1442a0 R14: 0000000000000001 R15: 0000564acf163600
| make: Leaving directory '/home/virtme/testing/wt-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [  390.342734][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  390.343319][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.343324][    C0] Call Trace:
[  390.343326][    C0]  <IRQ>
[  390.343329][    C0]  dump_stack_lvl (lib/dump_stack.c:123)
[  390.343354][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[  390.343365][    C0]  note_interrupt (kernel/irq/spurious.c:372)
[  390.343372][    C0]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
[  390.343381][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[  390.343390][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
[  390.343404][    C0]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
[  390.343411][    C0]  </IRQ>
[  390.343412][    C0]  <TASK>
[  390.343415][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  390.343422][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  390.343433][    C0] Code: 74 24 10 e8 e1 d8 fe fd 48 89 ef e8 09 28 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 9a 60 f3 fd 65 8b 05 b3 6b 07 02 85 c0 74 0a 5b 5d c3 e8 97 eb
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	e1 d8                	loope  0xffffffffffffffde
   6:	fe                   	(bad)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 09 28 ff fd       	call   0xfffffffffdff2819
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  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 9a 60 f3 fd       	call   0xfffffffffdf360c9		<-- trapping instruction
  2f:	65 8b 05 b3 6b 07 02 	mov    %gs:0x2076bb3(%rip),%eax        # 0x2076be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	97                   	xchg   %eax,%edi
  3f:	eb                   	.byte 0xeb

Code starting with the faulting instruction
===========================================
   0:	e8 9a 60 f3 fd       	call   0xfffffffffdf3609f
   5:	65 8b 05 b3 6b 07 02 	mov    %gs:0x2076bb3(%rip),%eax        # 0x2076bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	97                   	xchg   %eax,%edi
  15:	eb                   	.byte 0xeb
[  390.343436][    C0] RSP: 0018:ffffc9000319fa88 EFLAGS: 00000206
[  390.343444][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 0000000000000040
[  390.343446][    C0] RDX: 0000000000000000 RSI: ffffffffbb786bc5 RDI: 0000000000000001
[  390.343448][    C0] RBP: ffffffffbe06f560 R08: 0000000000000001 R09: 0000000000000001
[  390.343450][    C0] R10: ffffffffbc624557 R11: ffff888005878970 R12: 00000000ffffffff
[  390.343452][    C0] R13: 0000000000000001 R14: ffffffffbe06f668 R15: 00000000ffffffff
[  390.343469][    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:634)
[  390.343485][    C0]  process_output_block (drivers/tty/n_tty.c:561)
[  390.343497][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[  390.343504][    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
[  390.343507][    C0]  ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260)
[  390.343525][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
[  390.343531][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[  390.343541][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[  390.343545][    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958)
[  390.343555][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[  390.343562][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  390.343570][    C0]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081)
[  390.343577][    C0]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[  390.343585][    C0]  ? irqentry_exit (kernel/entry/common.c:215)
[  390.343589][    C0]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[  390.343593][    C0]  ? kernel_write (fs/read_write.c:667)
[  390.343606][    C0]  ? kasan_check_range (mm/kasan/generic.c:201)
[  390.343619][    C0]  ksys_write (fs/read_write.c:738)
[  390.343624][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[  390.343635][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[  390.343640][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[  390.343643][    C0] RIP: 0033:0x7faed65a0257
[  390.343648][    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
[  390.343651][    C0] RSP: 002b:00007ffca0853d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  390.343654][    C0] RAX: ffffffffffffffda RBX: 0000564acf1782e0 RCX: 00007faed65a0257
[  390.343656][    C0] RDX: 0000000000000001 RSI: 0000564acf1782e0 RDI: 0000000000000001
[  390.343658][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  390.343659][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564acf163600


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