======================================
| # 101.68 [+0.00] [  832.689258] veth1: left promiscuous mode
| # 101.68 [+0.00] [  832.689577] br1: port 1(veth1) entered disabled state
| # 101.69 [+0.00] [  850.420050] ip (2874) used greatest stack depth: 23504 bytes left
| # 101.69 [+0.00] [ 1231.681166] irq 4: nobody cared (try booting with the "irqpoll" option)
# 101.69 [+0.00] [ 1231.681781] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
# 101.70 [+0.00] [ 1231.682130] Call Trace:
# 101.70 [+0.00] [ 1231.682256]  <IRQ>
# 101.70 [+0.00] [ 1231.682360] dump_stack_lvl (lib/dump_stack.c:122) 
# 101.70 [+0.00] [ 1231.682546] __report_bad_irq (kernel/irq/spurious.c:214) 
# 101.70 [+0.00] [ 1231.682703] note_interrupt (kernel/irq/spurious.c:423) 
# 101.70 [+0.00] [ 1231.682868] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 101.70 [+0.00] [ 1231.683028] handle_edge_irq (kernel/irq/chip.c:833) 
# 101.70 [+0.00] [ 1231.683191] __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) 
# 101.70 [+0.00] [ 1231.683352] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 101.71 [+0.00] [ 1231.683525]  </IRQ>
# 101.71 [+0.00] [ 1231.683612]  <TASK>
# 101.71 [+0.00] [ 1231.683695] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 101.71 [+0.00] [ 1231.683849] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 101.71 [+0.00] [ 1231.684052] Code: 10 e8 01 ea 8c fd 48 89 ef e8 a9 5a 8d 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 25 16 41 5a <74> 0e 5b 5d c3 cc cc cc cc e8 7f 13 b1 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	01 ea                	add    %ebp,%edx
   4:	8c fd                	mov    %?,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 a9 5a 8d fd       	call   0xfffffffffd8d5ab7
   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 25 16 41 5a 	decl   %gs:0x5a411625(%rip)        # 0x5a41164f
  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 7f 13 b1 fd       	call   0xfffffffffdb113b7
  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 7f 13 b1 fd       	call   0xfffffffffdb1138d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 101.72 [+0.01] [ 1231.684601] RSP: 0018:ffffc9000116fab8 EFLAGS: 00000286
# 101.72 [+0.00] [ 1231.684807] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff51f8239
# 101.72 [+0.00] [ 1231.685061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa5c2b071
# 101.72 [+0.00] [ 1231.685298] RBP: ffffffffa98822a0 R08: 0000000000000001 R09: fffffbfff51f3318
# 101.72 [+0.00] [ 1231.685529] R10: ffffffffa8f998c7 R11: 0000000000000000 R12: ffffffffa98823a8
# 101.73 [+0.00] [ 1231.685762] R13: ffff8880060fc000 R14: ffffffffa98822a0 R15: 0000000000000286
# 101.73 [+0.00] [ 1231.686004] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 101.73 [+0.00] [ 1231.686238] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:634) 
# 101.73 [+0.00] [ 1231.686365] process_output_block (drivers/tty/n_tty.c:574) 
# 101.73 [+0.00] [ 1231.686522] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
# 101.73 [+0.00] [ 1231.686716] n_tty_write (drivers/tty/n_tty.c:2390) 
# 101.74 [+0.00] [ 1231.686884] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 101.74 [+0.00] [ 1231.687044] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 101.74 [+0.00] [ 1231.687203] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 101.74 [+0.00] [ 1231.687362] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) 
# 101.74 [+0.00] [ 1231.687519] ? lock_acquire (kernel/locking/lockdep.c:5732) 
# 101.74 [+0.00] [ 1231.687671] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) 
# 101.74 [+0.00] [ 1231.687836] iterate_tty_write (drivers/tty/tty_io.c:1021) 
# 101.75 [+0.00] [ 1231.688005] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 101.75 [+0.00] [ 1231.688169] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096) 
# 101.75 [+0.00] [ 1231.688325] vfs_write (fs/read_write.c:497 fs/read_write.c:590) 
# 101.75 [+0.00] [ 1231.688450] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
# 101.75 [+0.00] [ 1231.688643] ? __pfx_vfs_write (fs/read_write.c:571) 
# 101.75 [+0.00] [ 1231.688809] ? __fget_light (fs/file.c:1143) 
# 101.75 [+0.00] [ 1231.688963] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1141) 
# 101.76 [+0.00] [ 1231.689116] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
# 101.76 [+0.00] [ 1231.689319] ksys_write (fs/read_write.c:643) 
# 101.76 [+0.00] [ 1231.689438] ? __pfx_ksys_write (fs/read_write.c:633) 
# 101.76 [+0.00] [ 1231.689607] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 101.76 [+0.00] [ 1231.689767] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 101.76 [+0.00] [ 1231.689961] RIP: 0033:0x7f40c1ad9957
# 101.76 [+0.00] [ 1231.690122] 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
# 101.77 [+0.01] [ 1231.690658] RSP: 002b:00007ffcaaf24468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 101.77 [+0.00] [ 1231.690898] RAX: ffffffffffffffda RBX: 00005563177f62b0 RCX: 00007f40c1ad9957
# 101.77 [+0.00] [ 1231.691128] RDX: 0000000000000001 RSI: 00005563177f62b0 RDI: 0000000000000001
# 101.78 [+0.00] [ 1231.691357] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 101.78 [+0.00] [ 1231.691592] R10: 0000000000000001 R11: 0000000000000246 R12: 00005563177e15e0
# 101.78 [+0.00] [ 1231.691817] R13: 00005563177c22a0 R14: 0000000000000001 R15: 00005563177e15e0
| make: Leaving directory '/home/virtme/testing-4/tools/testing/selftests'
| xx__-> echo $?
| 0
| xx__-> [ 1231.681166][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1231.681781][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1231.682130][    C3] Call Trace:
[ 1231.682256][    C3]  <IRQ>
[ 1231.682360][ C3] dump_stack_lvl (lib/dump_stack.c:122) 
[ 1231.682546][ C3] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1231.682703][ C3] note_interrupt (kernel/irq/spurious.c:423) 
[ 1231.682868][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1231.683028][ C3] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1231.683191][ C3] __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) 
[ 1231.683352][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[ 1231.683525][    C3]  </IRQ>
[ 1231.683612][    C3]  <TASK>
[ 1231.683695][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1231.683849][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1231.684052][ C3] Code: 10 e8 01 ea 8c fd 48 89 ef e8 a9 5a 8d 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 25 16 41 5a <74> 0e 5b 5d c3 cc cc cc cc e8 7f 13 b1 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	01 ea                	add    %ebp,%edx
   4:	8c fd                	mov    %?,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 a9 5a 8d fd       	call   0xfffffffffd8d5ab7
   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 25 16 41 5a 	decl   %gs:0x5a411625(%rip)        # 0x5a41164f
  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 7f 13 b1 fd       	call   0xfffffffffdb113b7
  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 7f 13 b1 fd       	call   0xfffffffffdb1138d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 1231.684601][    C3] RSP: 0018:ffffc9000116fab8 EFLAGS: 00000286
[ 1231.684807][    C3] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff51f8239
[ 1231.685061][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffa5c2b071
[ 1231.685298][    C3] RBP: ffffffffa98822a0 R08: 0000000000000001 R09: fffffbfff51f3318
[ 1231.685529][    C3] R10: ffffffffa8f998c7 R11: 0000000000000000 R12: ffffffffa98823a8
[ 1231.685762][    C3] R13: ffff8880060fc000 R14: ffffffffa98822a0 R15: 0000000000000286
[ 1231.686004][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1231.686238][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:634) 
[ 1231.686365][ C3] process_output_block (drivers/tty/n_tty.c:574) 
[ 1231.686522][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 1231.686716][ C3] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 1231.686884][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 1231.687044][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1231.687203][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1231.687362][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) 
[ 1231.687519][ C3] ? lock_acquire (kernel/locking/lockdep.c:5732) 
[ 1231.687671][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:954 drivers/tty/tty_io.c:973) 
[ 1231.687836][ C3] iterate_tty_write (drivers/tty/tty_io.c:1021) 
[ 1231.688005][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1231.688169][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1096) 
[ 1231.688325][ C3] vfs_write (fs/read_write.c:497 fs/read_write.c:590) 
[ 1231.688450][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4299 kernel/locking/lockdep.c:4358) 
[ 1231.688643][ C3] ? __pfx_vfs_write (fs/read_write.c:571) 
[ 1231.688809][ C3] ? __fget_light (fs/file.c:1143) 
[ 1231.688963][ C3] ? __fget_light (./include/linux/atomic/atomic-arch-fallback.h:479 ./include/linux/atomic/atomic-instrumented.h:50 fs/file.c:1141) 
[ 1231.689116][ C3] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1231.689319][ C3] ksys_write (fs/read_write.c:643) 
[ 1231.689438][ C3] ? __pfx_ksys_write (fs/read_write.c:633) 
[ 1231.689607][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1231.689767][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1231.689961][    C3] RIP: 0033:0x7f40c1ad9957
[ 1231.690122][ C3] 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
[ 1231.690658][    C3] RSP: 002b:00007ffcaaf24468 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1231.690898][    C3] RAX: ffffffffffffffda RBX: 00005563177f62b0 RCX: 00007f40c1ad9957
[ 1231.691128][    C3] RDX: 0000000000000001 RSI: 00005563177f62b0 RDI: 0000000000000001
[ 1231.691357][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1231.691592][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 00005563177e15e0


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