======================================
| # 85.36 [+0.00] [  908.997656] gre: GRE over IPv4 demultiplexer driver
| # 85.36 [+0.00] [  909.030442] ip_gre: GRE over IPv4 tunneling driver
| # 85.36 [+0.00] [ 1182.866539] Mirror/redirect action on
| # 85.37 [+0.00] [ 1335.448354] irq 51: nobody cared (try booting with the "irqpoll" option)
# 85.37 [+0.00] [ 1335.448894] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 85.37 [+0.00] [ 1335.448896] Call Trace:
# 85.37 [+0.00] [ 1335.448898]  <IRQ>
# 85.37 [+0.00] [ 1335.448901] dump_stack_lvl (lib/dump_stack.c:123) 
# 85.37 [+0.00] [ 1335.448914] __report_bad_irq (kernel/irq/spurious.c:170) 
# 85.37 [+0.00] [ 1335.448923] note_interrupt (kernel/irq/spurious.c:372) 
# 85.37 [+0.00] [ 1335.448931] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 85.38 [+0.00] [ 1335.448938] handle_edge_irq (kernel/irq/chip.c:851) 
# 85.38 [+0.00] [ 1335.448948] __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) 
# 85.38 [+0.00] [ 1335.448959] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 85.38 [+0.00] [ 1335.448965]  </IRQ>
# 85.38 [+0.00] [ 1335.448966]  <TASK>
# 85.38 [+0.00] [ 1335.448970] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 85.38 [+0.00] [ 1335.448975] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 85.38 [+0.00] [ 1335.448980] Code: 74 24 10 e8 11 65 f6 fd 48 89 ef e8 c9 b7 f6 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> 7a 99 ea fd 65 8b 05 53 19 50 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:	11 65 f6             	adc    %esp,-0xa(%rbp)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 c9 b7 f6 fd       	call   0xfffffffffdf6b7d9
  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 7a 99 ea fd       	call   0xfffffffffdea99a9		<-- trapping instruction
  2f:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x2501989
  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 7a 99 ea fd       	call   0xfffffffffdea997f
   5:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x250195f
   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
# 85.39 [+0.00] [ 1335.448983] RSP: 0018:ffffc90001517aa0 EFLAGS: 00000206
# 85.39 [+0.00] [ 1335.448987] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 85.39 [+0.00] [ 1335.448989] RDX: 0000000000000000 RSI: ffffffff9d8e6dbc RDI: 0000000000000001
# 85.39 [+0.00] [ 1335.448991] RBP: ffffffffa03b0240 R08: 0000000000000001 R09: 0000000000000001
# 85.39 [+0.00] [ 1335.448992] R10: ffffffff9e618ed7 R11: ffff888005a58970 R12: 00000000ffffffff
# 85.40 [+0.00] [ 1335.448994] R13: 0000000000000001 R14: ffffffffa03b0348 R15: 00000000ffffffff
# 85.40 [+0.00] [ 1335.449011] 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) 
# 85.40 [+0.00] [ 1335.449023] process_output_block (drivers/tty/n_tty.c:561) 
# 85.40 [+0.00] [ 1335.449029] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 85.40 [+0.00] [ 1335.449036] n_tty_write (drivers/tty/n_tty.c:2378) 
# 85.40 [+0.00] [ 1335.449048] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 85.40 [+0.00] [ 1335.449054] ? __pfx_woken_wake_function (kernel/sched/wait.c:440) 
# 85.40 [+0.00] [ 1335.449061] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
# 85.40 [+0.00] [ 1335.449066] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 85.41 [+0.00] [ 1335.449076] iterate_tty_write (drivers/tty/tty_io.c:1007) 
# 85.41 [+0.00] [ 1335.449083] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 85.41 [+0.00] [ 1335.449091] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 85.41 [+0.00] [ 1335.449098] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
# 85.41 [+0.00] [ 1335.449107] ? find_held_lock (kernel/locking/lockdep.c:5350) 
# 85.41 [+0.00] [ 1335.449112] ? __pfx_vfs_write (fs/read_write.c:667) 
# 85.41 [+0.00] [ 1335.449121] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 85.41 [+0.00] [ 1335.449134] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
# 85.41 [+0.00] [ 1335.449142] ksys_write (fs/read_write.c:738) 
# 85.41 [+0.00] [ 1335.449148] ? __pfx_ksys_write (fs/read_write.c:728) 
# 85.42 [+0.00] [ 1335.449160] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 85.42 [+0.00] [ 1335.449166] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 85.42 [+0.00] [ 1335.449169] RIP: 0033:0x7f8104e37337
# 85.42 [+0.00] [ 1335.449174] 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
# 85.42 [+0.00] [ 1335.449176] RSP: 002b:00007ffd09c4e9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 85.43 [+0.00] [ 1335.449179] RAX: ffffffffffffffda RBX: 000055ba7d9f43f0 RCX: 00007f8104e37337
# 85.43 [+0.00] [ 1335.449181] RDX: 0000000000000001 RSI: 000055ba7d9f43f0 RDI: 0000000000000001
# 85.43 [+0.00] [ 1335.449182] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 85.43 [+0.00] [ 1335.449184] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ba7d9df5e0
# 85.43 [+0.00] [ 1335.449185] R13: 000055ba7d9c02a0 R14: 0000000000000001 R15: 000055ba7d9df5e0
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [ 1335.448354][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1335.448894][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1335.448896][    C0] Call Trace:
[ 1335.448898][    C0]  <IRQ>
[ 1335.448901][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1335.448914][ C0] __report_bad_irq (kernel/irq/spurious.c:170) 
[ 1335.448923][ C0] note_interrupt (kernel/irq/spurious.c:372) 
[ 1335.448931][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1335.448938][ C0] handle_edge_irq (kernel/irq/chip.c:851) 
[ 1335.448948][ 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) 
[ 1335.448959][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1335.448965][    C0]  </IRQ>
[ 1335.448966][    C0]  <TASK>
[ 1335.448970][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1335.448975][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1335.448980][ C0] Code: 74 24 10 e8 11 65 f6 fd 48 89 ef e8 c9 b7 f6 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> 7a 99 ea fd 65 8b 05 53 19 50 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:	11 65 f6             	adc    %esp,-0xa(%rbp)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 c9 b7 f6 fd       	call   0xfffffffffdf6b7d9
  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 7a 99 ea fd       	call   0xfffffffffdea99a9		<-- trapping instruction
  2f:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x2501989
  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 7a 99 ea fd       	call   0xfffffffffdea997f
   5:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x250195f
   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
[ 1335.448983][    C0] RSP: 0018:ffffc90001517aa0 EFLAGS: 00000206
[ 1335.448987][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1335.448989][    C0] RDX: 0000000000000000 RSI: ffffffff9d8e6dbc RDI: 0000000000000001
[ 1335.448991][    C0] RBP: ffffffffa03b0240 R08: 0000000000000001 R09: 0000000000000001
[ 1335.448992][    C0] R10: ffffffff9e618ed7 R11: ffff888005a58970 R12: 00000000ffffffff
[ 1335.448994][    C0] R13: 0000000000000001 R14: ffffffffa03b0348 R15: 00000000ffffffff
[ 1335.449011][ 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) 
[ 1335.449023][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1335.449029][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1335.449036][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1335.449048][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1335.449054][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:440) 
[ 1335.449061][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 1335.449066][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1335.449076][ C0] iterate_tty_write (drivers/tty/tty_io.c:1007) 
[ 1335.449083][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1335.449091][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1335.449098][ C0] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
[ 1335.449107][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) 
[ 1335.449112][ C0] ? __pfx_vfs_write (fs/read_write.c:667) 
[ 1335.449121][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1335.449134][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1335.449142][ C0] ksys_write (fs/read_write.c:738) 
[ 1335.449148][ C0] ? __pfx_ksys_write (fs/read_write.c:728) 
[ 1335.449160][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1335.449166][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1335.449169][    C0] RIP: 0033:0x7f8104e37337
[ 1335.449174][ 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
[ 1335.449176][    C0] RSP: 002b:00007ffd09c4e9b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1335.449179][    C0] RAX: ffffffffffffffda RBX: 000055ba7d9f43f0 RCX: 00007f8104e37337
[ 1335.449181][    C0] RDX: 0000000000000001 RSI: 000055ba7d9f43f0 RDI: 0000000000000001
[ 1335.449182][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1335.449184][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055ba7d9df5e0


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