======================================
| # 118.60 [+0.00] [ 1016.066610] gre: GRE over IPv4 demultiplexor driver
| # 118.60 [+0.00] [ 1016.089643] ip_gre: GRE over IPv4 tunneling driver
| # 118.60 [+0.00] [ 1221.597441] Mirror/redirect action on
| # 118.60 [+0.00] [ 1265.368204] irq 4: nobody cared (try booting with the "irqpoll" option)
# 118.61 [+0.00] [ 1265.368859] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
# 118.61 [+0.00] [ 1265.369211] Call Trace:
# 118.61 [+0.00] [ 1265.369336]  <IRQ>
# 118.61 [+0.00] [ 1265.369423] dump_stack_lvl (lib/dump_stack.c:123) 
# 118.61 [+0.00] [ 1265.369664] __report_bad_irq (kernel/irq/spurious.c:214) 
# 118.62 [+0.00] [ 1265.369826] note_interrupt (kernel/irq/spurious.c:423) 
# 118.62 [+0.00] [ 1265.369990] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 118.62 [+0.00] [ 1265.370149] handle_edge_irq (kernel/irq/chip.c:833) 
# 118.62 [+0.00] [ 1265.370326] __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) 
# 118.62 [+0.00] [ 1265.370494] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 118.62 [+0.00] [ 1265.370655]  </IRQ>
# 118.62 [+0.00] [ 1265.370745]  <TASK>
# 118.62 [+0.00] [ 1265.370833] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 118.62 [+0.00] [ 1265.370990] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 118.63 [+0.00] [ 1265.371193] Code: 10 e8 31 89 87 fd 48 89 ef e8 49 fa 87 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 c5 f6 1a 4c <74> 0e 5b 5d c3 cc cc cc cc e8 ff cb ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	31 89 87 fd 48 89    	xor    %ecx,-0x76b70279(%rcx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 49 fa 87 fd       	call   0xfffffffffd87fa57
   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 c5 f6 1a 4c 	decl   %gs:0x4c1af6c5(%rip)        # 0x4c1af6ef
  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 ff cb ac fd       	call   0xfffffffffdaccc37
  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 ff cb ac fd       	call   0xfffffffffdaccc0d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 118.63 [+0.01] [ 1265.371737] RSP: 0018:ffffc90000fdfaa0 EFLAGS: 00000286
# 118.63 [+0.00] [ 1265.371940] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6e3e8d8
# 118.64 [+0.00] [ 1265.372181] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3e8d211
# 118.64 [+0.00] [ 1265.372424] RBP: ffffffffb7ab83e0 R08: 0000000000000001 R09: fffffbfff6e399d0
# 118.64 [+0.00] [ 1265.372656] R10: ffffffffb71cce87 R11: 0000000000000000 R12: 00000000ffffffff
# 118.64 [+0.00] [ 1265.372894] R13: 0000000000000001 R14: ffffffffb7ab84e8 R15: 00000000ffffffff
# 118.65 [+0.00] [ 1265.373146] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 118.65 [+0.00] [ 1265.373350] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 118.65 [+0.00] [ 1265.373488] process_output_block (drivers/tty/n_tty.c:574) 
# 118.65 [+0.00] [ 1265.373651] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 118.65 [+0.00] [ 1265.373863] n_tty_write (drivers/tty/n_tty.c:2390) 
# 118.65 [+0.00] [ 1265.374029] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 118.65 [+0.00] [ 1265.374188] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 118.66 [+0.00] [ 1265.374348] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 118.66 [+0.00] [ 1265.374506] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 118.66 [+0.00] [ 1265.374662] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 118.66 [+0.00] [ 1265.374819] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 118.66 [+0.00] [ 1265.374985] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 118.66 [+0.00] [ 1265.375144] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 118.66 [+0.00] [ 1265.375309] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 118.67 [+0.00] [ 1265.375477] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
# 118.67 [+0.00] [ 1265.375608] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
# 118.67 [+0.00] [ 1265.375766] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 118.67 [+0.00] [ 1265.375922] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
# 118.67 [+0.00] [ 1265.376079] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 118.67 [+0.00] [ 1265.376246] ? __pfx_vfs_write (fs/read_write.c:664) 
# 118.67 [+0.00] [ 1265.376407] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
# 118.67 [+0.00] [ 1265.376570] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 118.68 [+0.00] [ 1265.376769] ksys_write (fs/read_write.c:736) 
# 118.68 [+0.00] [ 1265.376892] ? __pfx_ksys_write (fs/read_write.c:726) 
# 118.68 [+0.00] [ 1265.377064] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 118.68 [+0.00] [ 1265.377228] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 118.68 [+0.00] [ 1265.377423] RIP: 0033:0x7f3a833e7957
# 118.68 [+0.00] [ 1265.377590] 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
# 118.69 [+0.01] [ 1265.378150] RSP: 002b:00007fff45fa0878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 118.69 [+0.00] [ 1265.378396] RAX: ffffffffffffffda RBX: 0000562a6cdd43f0 RCX: 00007f3a833e7957
# 118.69 [+0.00] [ 1265.378634] RDX: 0000000000000001 RSI: 0000562a6cdd43f0 RDI: 0000000000000001
# 118.70 [+0.00] [ 1265.378867] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 118.70 [+0.00] [ 1265.379099] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562a6cdbf5e0
# 118.70 [+0.00] [ 1265.379335] R13: 0000562a6cda02a0 R14: 0000000000000001 R15: 0000562a6cdbf5e0
| xx__-> echo $?
| 0
| xx__-> [ 1221.597441][ T6285] Mirror/redirect action on
| [ 1265.368204][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1265.368859][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1265.369211][    C3] Call Trace:
[ 1265.369336][    C3]  <IRQ>
[ 1265.369423][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1265.369664][ C3] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1265.369826][ C3] note_interrupt (kernel/irq/spurious.c:423) 
[ 1265.369990][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1265.370149][ C3] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1265.370326][ 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) 
[ 1265.370494][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[ 1265.370655][    C3]  </IRQ>
[ 1265.370745][    C3]  <TASK>
[ 1265.370833][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1265.370990][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1265.371193][ C3] Code: 10 e8 31 89 87 fd 48 89 ef e8 49 fa 87 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 c5 f6 1a 4c <74> 0e 5b 5d c3 cc cc cc cc e8 ff cb ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	31 89 87 fd 48 89    	xor    %ecx,-0x76b70279(%rcx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 49 fa 87 fd       	call   0xfffffffffd87fa57
   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 c5 f6 1a 4c 	decl   %gs:0x4c1af6c5(%rip)        # 0x4c1af6ef
  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 ff cb ac fd       	call   0xfffffffffdaccc37
  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 ff cb ac fd       	call   0xfffffffffdaccc0d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 1265.371737][    C3] RSP: 0018:ffffc90000fdfaa0 EFLAGS: 00000286
[ 1265.371940][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6e3e8d8
[ 1265.372181][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3e8d211
[ 1265.372424][    C3] RBP: ffffffffb7ab83e0 R08: 0000000000000001 R09: fffffbfff6e399d0
[ 1265.372656][    C3] R10: ffffffffb71cce87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1265.372894][    C3] R13: 0000000000000001 R14: ffffffffb7ab84e8 R15: 00000000ffffffff
[ 1265.373146][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1265.373350][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1265.373488][ C3] process_output_block (drivers/tty/n_tty.c:574) 
[ 1265.373651][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1265.373863][ C3] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 1265.374029][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 1265.374188][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1265.374348][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1265.374506][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1265.374662][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1265.374819][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1265.374985][ C3] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1265.375144][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1265.375309][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1265.375477][ C3] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 1265.375608][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 1265.375766][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1265.375922][ C3] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 1265.376079][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1265.376246][ C3] ? __pfx_vfs_write (fs/read_write.c:664) 
[ 1265.376407][ C3] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 1265.376570][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1265.376769][ C3] ksys_write (fs/read_write.c:736) 
[ 1265.376892][ C3] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1265.377064][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1265.377228][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1265.377423][    C3] RIP: 0033:0x7f3a833e7957
[ 1265.377590][ 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
[ 1265.378150][    C3] RSP: 002b:00007fff45fa0878 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1265.378396][    C3] RAX: ffffffffffffffda RBX: 0000562a6cdd43f0 RCX: 00007f3a833e7957
[ 1265.378634][    C3] RDX: 0000000000000001 RSI: 0000562a6cdd43f0 RDI: 0000000000000001
[ 1265.378867][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1265.379099][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 0000562a6cdbf5e0


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