======================================
| # 76.61 [+0.00] [  843.376805] 8021q: 802.1Q VLAN Support v1.8
| # 76.61 [+0.00] [  916.103447] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1129639226 wd_nsec: 1129638723
| # 76.61 [+0.00] [ 1133.580619] Mirror/redirect action on
| # 76.61 [+0.00] [ 1255.317507] irq 51: nobody cared (try booting with the "irqpoll" option)
# 76.62 [+0.00] [ 1255.318137] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 76.62 [+0.00] [ 1255.318140] Call Trace:
# 76.62 [+0.00] [ 1255.318142]  <IRQ>
# 76.62 [+0.00] [ 1255.318145] dump_stack_lvl (lib/dump_stack.c:123) 
# 76.62 [+0.00] [ 1255.318156] __report_bad_irq (kernel/irq/spurious.c:214) 
# 76.62 [+0.00] [ 1255.318165] note_interrupt (kernel/irq/spurious.c:423) 
# 76.62 [+0.00] [ 1255.318173] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 76.62 [+0.00] [ 1255.318179] handle_edge_irq (kernel/irq/chip.c:833) 
# 76.62 [+0.00] [ 1255.318190] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
# 76.63 [+0.00] [ 1255.318197] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 76.63 [+0.00] [ 1255.318203]  </IRQ>
# 76.63 [+0.00] [ 1255.318205]  <TASK>
# 76.63 [+0.00] [ 1255.318208] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 76.63 [+0.00] [ 1255.318212] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 76.63 [+0.00] [ 1255.318217] Code: 74 24 10 e8 c1 ed 80 fd 48 89 ef e8 39 40 81 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> fa 47 75 fd 65 8b 05 63 c8 96 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 ed 80             	shr    $0x80,%ebp
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 39 40 81 fd       	call   0xfffffffffd814049
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  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 fa 47 75 fd       	call   0xfffffffffd754829		<-- trapping instruction
  2f:	65 8b 05 63 c8 96 02 	mov    %gs:0x296c863(%rip),%eax        # 0x296c899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fa 47 75 fd       	call   0xfffffffffd7547ff
   5:	65 8b 05 63 c8 96 02 	mov    %gs:0x296c863(%rip),%eax        # 0x296c86f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
# 76.63 [+0.00] [ 1255.318220] RSP: 0018:ffffc900010f7aa0 EFLAGS: 00000206
# 76.64 [+0.00] [ 1255.318224] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 76.64 [+0.00] [ 1255.318226] RDX: 0000000000000000 RSI: ffffffff88c96727 RDI: 0000000000000001
# 76.64 [+0.00] [ 1255.318228] RBP: ffffffff8bb8dd60 R08: 0000000000000001 R09: 0000000000000001
# 76.64 [+0.00] [ 1255.318230] R10: ffffffff89bee097 R11: ffff888006290970 R12: 00000000ffffffff
# 76.64 [+0.00] [ 1255.318232] R13: 0000000000000001 R14: ffffffff8bb8de68 R15: 00000000ffffffff
# 76.64 [+0.00] [ 1255.318248] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 76.65 [+0.00] [ 1255.318260] process_output_block (drivers/tty/n_tty.c:561) 
# 76.65 [+0.00] [ 1255.318265] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 76.65 [+0.00] [ 1255.318272] n_tty_write (drivers/tty/n_tty.c:2378) 
# 76.65 [+0.00] [ 1255.318283] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 76.65 [+0.00] [ 1255.318289] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 76.65 [+0.00] [ 1255.318297] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
# 76.65 [+0.00] [ 1255.318301] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 76.66 [+0.00] [ 1255.318312] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 76.66 [+0.00] [ 1255.318319] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 76.66 [+0.00] [ 1255.318327] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 76.66 [+0.00] [ 1255.318335] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
# 76.66 [+0.00] [ 1255.318343] ? find_held_lock (kernel/locking/lockdep.c:5348) 
# 76.66 [+0.00] [ 1255.318348] ? __pfx_vfs_write (fs/read_write.c:665) 
# 76.66 [+0.00] [ 1255.318356] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 76.67 [+0.00] [ 1255.318368] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
# 76.67 [+0.00] [ 1255.318376] ksys_write (fs/read_write.c:736) 
# 76.67 [+0.00] [ 1255.318381] ? __pfx_ksys_write (fs/read_write.c:726) 
# 76.67 [+0.00] [ 1255.318393] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 76.67 [+0.00] [ 1255.318399] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 76.67 [+0.00] [ 1255.318402] RIP: 0033:0x7fef61946b77
# 76.67 [+0.00] [ 1255.318406] 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
# 76.68 [+0.01] [ 1255.318408] RSP: 002b:00007ffdd9097838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 76.68 [+0.00] [ 1255.318411] RAX: ffffffffffffffda RBX: 000055f4943722b0 RCX: 00007fef61946b77
# 76.69 [+0.00] [ 1255.318413] RDX: 0000000000000001 RSI: 000055f4943722b0 RDI: 0000000000000001
# 76.69 [+0.00] [ 1255.318415] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 76.69 [+0.00] [ 1255.318416] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f49435d5e0
# 76.69 [+0.00] [ 1255.318418] R13: 000055f49433e2a0 R14: 0000000000000001 R15: 000055f49435d5e0
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [ 1255.317507][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1255.318137][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1255.318140][    C0] Call Trace:
[ 1255.318142][    C0]  <IRQ>
[ 1255.318145][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1255.318156][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1255.318165][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 1255.318173][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1255.318179][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1255.318190][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
[ 1255.318197][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1255.318203][    C0]  </IRQ>
[ 1255.318205][    C0]  <TASK>
[ 1255.318208][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1255.318212][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1255.318217][ C0] Code: 74 24 10 e8 c1 ed 80 fd 48 89 ef e8 39 40 81 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> fa 47 75 fd 65 8b 05 63 c8 96 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	c1 ed 80             	shr    $0x80,%ebp
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 39 40 81 fd       	call   0xfffffffffd814049
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  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 fa 47 75 fd       	call   0xfffffffffd754829		<-- trapping instruction
  2f:	65 8b 05 63 c8 96 02 	mov    %gs:0x296c863(%rip),%eax        # 0x296c899
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 fa 47 75 fd       	call   0xfffffffffd7547ff
   5:	65 8b 05 63 c8 96 02 	mov    %gs:0x296c863(%rip),%eax        # 0x296c86f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[ 1255.318220][    C0] RSP: 0018:ffffc900010f7aa0 EFLAGS: 00000206
[ 1255.318224][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1255.318226][    C0] RDX: 0000000000000000 RSI: ffffffff88c96727 RDI: 0000000000000001
[ 1255.318228][    C0] RBP: ffffffff8bb8dd60 R08: 0000000000000001 R09: 0000000000000001
[ 1255.318230][    C0] R10: ffffffff89bee097 R11: ffff888006290970 R12: 00000000ffffffff
[ 1255.318232][    C0] R13: 0000000000000001 R14: ffffffff8bb8de68 R15: 00000000ffffffff
[ 1255.318248][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1255.318260][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1255.318265][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1255.318272][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1255.318283][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1255.318289][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1255.318297][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5829) 
[ 1255.318301][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1255.318312][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1255.318319][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1255.318327][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1255.318335][ C0] vfs_write (fs/read_write.c:591 fs/read_write.c:684) 
[ 1255.318343][ C0] ? find_held_lock (kernel/locking/lockdep.c:5348) 
[ 1255.318348][ C0] ? __pfx_vfs_write (fs/read_write.c:665) 
[ 1255.318356][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1255.318368][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:736) 
[ 1255.318376][ C0] ksys_write (fs/read_write.c:736) 
[ 1255.318381][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1255.318393][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1255.318399][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1255.318402][    C0] RIP: 0033:0x7fef61946b77
[ 1255.318406][ 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
[ 1255.318408][    C0] RSP: 002b:00007ffdd9097838 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1255.318411][    C0] RAX: ffffffffffffffda RBX: 000055f4943722b0 RCX: 00007fef61946b77
[ 1255.318413][    C0] RDX: 0000000000000001 RSI: 000055f4943722b0 RDI: 0000000000000001
[ 1255.318415][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1255.318416][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055f49435d5e0


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