======================================
| # 79.01 [+0.00] [ 1882.387170] vx10: left allmulticast mode
| # 79.01 [+0.00] [ 1882.387555] vx10: left promiscuous mode
| # 79.01 [+0.00] [ 1882.388050] br1: port 1(vx10) entered disabled state
| # 79.02 [+0.00] [ 1930.094815] irq 51: nobody cared (try booting with the "irqpoll" option)
# 79.02 [+0.00] [ 1930.095369] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 79.02 [+0.00] [ 1930.095371] Call Trace:
# 79.02 [+0.00] [ 1930.095373]  <IRQ>
# 79.02 [+0.00] [ 1930.095376] dump_stack_lvl (lib/dump_stack.c:123) 
# 79.02 [+0.00] [ 1930.095389] __report_bad_irq (kernel/irq/spurious.c:170) 
# 79.02 [+0.00] [ 1930.095399] note_interrupt (kernel/irq/spurious.c:372) 
# 79.03 [+0.00] [ 1930.095407] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 79.03 [+0.00] [ 1930.095412] handle_edge_irq (kernel/irq/chip.c:857) 
# 79.03 [+0.00] [ 1930.095422] __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) 
# 79.03 [+0.00] [ 1930.095432] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14)) 
# 79.03 [+0.00] [ 1930.095438]  </IRQ>
# 79.03 [+0.00] [ 1930.095439]  <TASK>
# 79.03 [+0.00] [ 1930.095442] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 79.03 [+0.00] [ 1930.095447] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 79.03 [+0.00] [ 1930.095456] Code: 74 24 10 e8 11 9f 02 fe 48 89 ef e8 39 ee 02 fe 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 21 f7 fd 65 8b 05 e3 8f 0a 02 85 c0 74 0a 5b 5d c3 e8 97 a2
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	11 9f 02 fe 48 89    	adc    %ebx,-0x76b701fe(%rdi)
   a:	ef                   	out    %eax,(%dx)
   b:	e8 39 ee 02 fe       	call   0xfffffffffe02ee49
  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 21 f7 fd       	call   0xfffffffffdf721c9		<-- trapping instruction
  2f:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a9019
  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:	a2                   	.byte 0xa2

Code starting with the faulting instruction
===========================================
   0:	e8 9a 21 f7 fd       	call   0xfffffffffdf7219f
   5:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a8fef
   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:	a2                   	.byte 0xa2
# 79.04 [+0.00] [ 1930.095458] RSP: 0018:ffffc90001907a98 EFLAGS: 00000206
# 79.04 [+0.00] [ 1930.095462] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 79.04 [+0.00] [ 1930.095464] RDX: 0000000000000000 RSI: ffffffffb49c6862 RDI: 0000000000000001
# 79.04 [+0.00] [ 1930.095466] RBP: ffffffffb724c380 R08: 0000000000000001 R09: 0000000000000001
# 79.04 [+0.00] [ 1930.095468] R10: ffffffffb5814117 R11: ffff888005e70970 R12: 00000000ffffffff
# 79.04 [+0.00] [ 1930.095470] R13: 0000000000000001 R14: ffffffffb724c488 R15: 00000000ffffffff
# 79.05 [+0.00] [ 1930.095486] 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:637) 
# 79.05 [+0.00] [ 1930.095498] process_output_block (drivers/tty/n_tty.c:561) 
# 79.05 [+0.00] [ 1930.095505] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 79.05 [+0.00] [ 1930.095512] n_tty_write (drivers/tty/n_tty.c:2378) 
# 79.05 [+0.00] [ 1930.095515] ? _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) 
# 79.05 [+0.00] [ 1930.095528] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348) 
# 79.05 [+0.00] [ 1930.095533] ? __init_waitqueue_head (kernel/sched/wait.c:458) 
# 79.05 [+0.00] [ 1930.095543] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
# 79.06 [+0.00] [ 1930.095547] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 79.06 [+0.00] [ 1930.095560] iterate_tty_write (drivers/tty/tty_io.c:1007) 
# 79.06 [+0.00] [ 1930.095567] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 79.06 [+0.00] [ 1930.095574] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 79.06 [+0.00] [ 1930.095582] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
# 79.06 [+0.00] [ 1930.095590] ? find_held_lock (kernel/locking/lockdep.c:5350) 
# 79.06 [+0.00] [ 1930.095595] ? kernel_write (fs/read_write.c:667) 
# 79.06 [+0.00] [ 1930.095602] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 79.06 [+0.00] [ 1930.095614] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) 
# 79.06 [+0.00] [ 1930.095621] ksys_write (fs/read_write.c:738) 
# 79.07 [+0.00] [ 1930.095625] ? __ia32_sys_read (fs/read_write.c:728) 
# 79.07 [+0.00] [ 1930.095636] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 79.07 [+0.00] [ 1930.095642] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 79.07 [+0.00] [ 1930.095644] RIP: 0033:0x7f74d3c83337
# 79.07 [+0.00] [ 1930.095648] 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
# 79.07 [+0.00] [ 1930.095651] RSP: 002b:00007ffc602985e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 79.08 [+0.00] [ 1930.095654] RAX: ffffffffffffffda RBX: 000055f589e28420 RCX: 00007f74d3c83337
# 79.08 [+0.00] [ 1930.095655] RDX: 0000000000000001 RSI: 000055f589e28420 RDI: 0000000000000001
# 79.08 [+0.00] [ 1930.095657] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 79.08 [+0.00] [ 1930.095658] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f589e13600
# 79.08 [+0.00] [ 1930.095660] R13: 000055f589df42a0 R14: 0000000000000001 R15: 000055f589e13600
| make: Leaving directory '/home/virtme/testing/wt-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [ 1930.094815][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1930.095369][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1930.095371][    C0] Call Trace:
[ 1930.095373][    C0]  <IRQ>
[ 1930.095376][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1930.095389][ C0] __report_bad_irq (kernel/irq/spurious.c:170) 
[ 1930.095399][ C0] note_interrupt (kernel/irq/spurious.c:372) 
[ 1930.095407][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1930.095412][ C0] handle_edge_irq (kernel/irq/chip.c:857) 
[ 1930.095422][ C0] __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) 
[ 1930.095432][ C0] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14)) 
[ 1930.095438][    C0]  </IRQ>
[ 1930.095439][    C0]  <TASK>
[ 1930.095442][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1930.095447][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1930.095456][ C0] Code: 74 24 10 e8 11 9f 02 fe 48 89 ef e8 39 ee 02 fe 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 21 f7 fd 65 8b 05 e3 8f 0a 02 85 c0 74 0a 5b 5d c3 e8 97 a2
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	11 9f 02 fe 48 89    	adc    %ebx,-0x76b701fe(%rdi)
   a:	ef                   	out    %eax,(%dx)
   b:	e8 39 ee 02 fe       	call   0xfffffffffe02ee49
  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 21 f7 fd       	call   0xfffffffffdf721c9		<-- trapping instruction
  2f:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a9019
  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:	a2                   	.byte 0xa2

Code starting with the faulting instruction
===========================================
   0:	e8 9a 21 f7 fd       	call   0xfffffffffdf7219f
   5:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a8fef
   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:	a2                   	.byte 0xa2
[ 1930.095458][    C0] RSP: 0018:ffffc90001907a98 EFLAGS: 00000206
[ 1930.095462][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1930.095464][    C0] RDX: 0000000000000000 RSI: ffffffffb49c6862 RDI: 0000000000000001
[ 1930.095466][    C0] RBP: ffffffffb724c380 R08: 0000000000000001 R09: 0000000000000001
[ 1930.095468][    C0] R10: ffffffffb5814117 R11: ffff888005e70970 R12: 00000000ffffffff
[ 1930.095470][    C0] R13: 0000000000000001 R14: ffffffffb724c488 R15: 00000000ffffffff
[ 1930.095486][ 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:637) 
[ 1930.095498][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1930.095505][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1930.095512][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1930.095515][ 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) 
[ 1930.095528][ C0] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348) 
[ 1930.095533][ C0] ? __init_waitqueue_head (kernel/sched/wait.c:458) 
[ 1930.095543][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 1930.095547][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1930.095560][ C0] iterate_tty_write (drivers/tty/tty_io.c:1007) 
[ 1930.095567][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1930.095574][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1930.095582][ C0] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
[ 1930.095590][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) 
[ 1930.095595][ C0] ? kernel_write (fs/read_write.c:667) 
[ 1930.095602][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1930.095614][ C0] ? clockevents_program_event (kernel/time/clockevents.c:336 (discriminator 3)) 
[ 1930.095621][ C0] ksys_write (fs/read_write.c:738) 
[ 1930.095625][ C0] ? __ia32_sys_read (fs/read_write.c:728) 
[ 1930.095636][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1930.095642][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1930.095644][    C0] RIP: 0033:0x7f74d3c83337
[ 1930.095648][ 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
[ 1930.095651][    C0] RSP: 002b:00007ffc602985e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1930.095654][    C0] RAX: ffffffffffffffda RBX: 000055f589e28420 RCX: 00007f74d3c83337
[ 1930.095655][    C0] RDX: 0000000000000001 RSI: 000055f589e28420 RDI: 0000000000000001
[ 1930.095657][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1930.095658][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f589e13600


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