======================================
| # 128.88 [+0.00] [  943.673254] 8021q: 802.1Q VLAN Support v1.8
| # 128.88 [+0.00] [ 1192.501016] Mirror/redirect action on
| # 128.88 [+0.00] [ 1321.060949] tc (6410) used greatest stack depth: 23272 bytes left
| # 128.89 [+0.00] [ 1399.245737] irq 4: nobody cared (try booting with the "irqpoll" option)
# 128.89 [+0.00] [ 1399.246454] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
# 128.89 [+0.00] [ 1399.246838] Call Trace:
# 128.89 [+0.00] [ 1399.246981]  <IRQ>
# 128.90 [+0.00] [ 1399.247073] dump_stack_lvl (lib/dump_stack.c:123) 
# 128.90 [+0.00] [ 1399.247275] __report_bad_irq (kernel/irq/spurious.c:214) 
# 128.90 [+0.00] [ 1399.247455] note_interrupt (kernel/irq/spurious.c:423) 
# 128.90 [+0.00] [ 1399.247640] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 128.90 [+0.00] [ 1399.247820] handle_edge_irq (kernel/irq/chip.c:833) 
# 128.90 [+0.00] [ 1399.248000] __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) 
# 128.90 [+0.00] [ 1399.248179] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 128.90 [+0.00] [ 1399.248355]  </IRQ>
# 128.91 [+0.00] [ 1399.248471]  <TASK>
# 128.91 [+0.00] [ 1399.248561] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 128.91 [+0.00] [ 1399.248740] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 128.91 [+0.00] [ 1399.248964] Code: 10 e8 01 22 87 fd 48 89 ef e8 19 93 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 15 88 7a 44 <74> 0e 5b 5d c3 cc cc cc cc e8 9f 65 ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	01 22                	add    %esp,(%rdx)
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 19 93 87 fd       	call   0xfffffffffd879327
   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 15 88 7a 44 	decl   %gs:0x447a8815(%rip)        # 0x447a883f
  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 9f 65 ac fd       	call   0xfffffffffdac65d7
  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 9f 65 ac fd       	call   0xfffffffffdac65ad
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 128.92 [+0.01] [ 1399.249562] RSP: 0018:ffffc90000fdfaa0 EFLAGS: 00000286
# 128.92 [+0.00] [ 1399.249800] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff7d7ea8d
# 128.92 [+0.00] [ 1399.250066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbb893ec1
# 128.92 [+0.00] [ 1399.250342] RBP: ffffffffbf4b9460 R08: 0000000000000001 R09: fffffbfff7d79bd0
# 128.92 [+0.00] [ 1399.250600] R10: ffffffffbebcde87 R11: 0000000000000000 R12: 00000000ffffffff
# 128.93 [+0.00] [ 1399.250859] R13: 0000000000000001 R14: ffffffffbf4b9568 R15: 00000000ffffffff
# 128.93 [+0.00] [ 1399.251157] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 128.93 [+0.00] [ 1399.251389] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 128.93 [+0.00] [ 1399.251531] process_output_block (drivers/tty/n_tty.c:574) 
# 128.93 [+0.00] [ 1399.251715] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 128.94 [+0.00] [ 1399.251936] n_tty_write (drivers/tty/n_tty.c:2390) 
# 128.94 [+0.00] [ 1399.252118] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 128.94 [+0.00] [ 1399.252298] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 128.94 [+0.00] [ 1399.252480] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 128.94 [+0.00] [ 1399.252662] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 128.94 [+0.00] [ 1399.252837] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 128.95 [+0.00] [ 1399.253011] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 128.95 [+0.00] [ 1399.253202] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 128.95 [+0.00] [ 1399.253380] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 128.95 [+0.00] [ 1399.253563] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 128.95 [+0.00] [ 1399.253755] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
# 128.95 [+0.00] [ 1399.253898] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
# 128.95 [+0.00] [ 1399.254082] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 128.96 [+0.00] [ 1399.254275] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
# 128.96 [+0.00] [ 1399.254453] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 128.96 [+0.00] [ 1399.254626] ? __pfx_vfs_write (fs/read_write.c:664) 
# 128.96 [+0.00] [ 1399.254848] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) 
# 128.96 [+0.00] [ 1399.255030] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
# 128.96 [+0.00] [ 1399.255257] ksys_write (fs/read_write.c:736) 
# 128.96 [+0.00] [ 1399.255393] ? __pfx_ksys_write (fs/read_write.c:726) 
# 128.96 [+0.00] [ 1399.255580] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 128.97 [+0.00] [ 1399.255756] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 128.97 [+0.00] [ 1399.255973] RIP: 0033:0x7f38f19ae957
# 128.97 [+0.00] [ 1399.256167] 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
# 128.98 [+0.01] [ 1399.256784] RSP: 002b:00007fff2854c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 128.98 [+0.00] [ 1399.257056] RAX: ffffffffffffffda RBX: 000055e511aff3f0 RCX: 00007f38f19ae957
# 128.98 [+0.00] [ 1399.257320] RDX: 0000000000000001 RSI: 000055e511aff3f0 RDI: 0000000000000001
# 128.98 [+0.00] [ 1399.257582] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 128.98 [+0.00] [ 1399.257839] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e511aea5e0
# 128.99 [+0.00] [ 1399.258096] R13: 000055e511acb2a0 R14: 0000000000000001 R15: 000055e511aea5e0
| xx__-> echo $?
| 0
| xx__-> [ 1321.060949][ T6410] tc (6410) used greatest stack depth: 23272 bytes left
| [ 1399.245737][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1399.246454][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1399.246838][    C3] Call Trace:
[ 1399.246981][    C3]  <IRQ>
[ 1399.247073][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1399.247275][ C3] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1399.247455][ C3] note_interrupt (kernel/irq/spurious.c:423) 
[ 1399.247640][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1399.247820][ C3] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1399.248000][ 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) 
[ 1399.248179][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[ 1399.248355][    C3]  </IRQ>
[ 1399.248471][    C3]  <TASK>
[ 1399.248561][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1399.248740][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1399.248964][ C3] Code: 10 e8 01 22 87 fd 48 89 ef e8 19 93 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 15 88 7a 44 <74> 0e 5b 5d c3 cc cc cc cc e8 9f 65 ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	01 22                	add    %esp,(%rdx)
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 19 93 87 fd       	call   0xfffffffffd879327
   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 15 88 7a 44 	decl   %gs:0x447a8815(%rip)        # 0x447a883f
  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 9f 65 ac fd       	call   0xfffffffffdac65d7
  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 9f 65 ac fd       	call   0xfffffffffdac65ad
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 1399.249562][    C3] RSP: 0018:ffffc90000fdfaa0 EFLAGS: 00000286
[ 1399.249800][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff7d7ea8d
[ 1399.250066][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffbb893ec1
[ 1399.250342][    C3] RBP: ffffffffbf4b9460 R08: 0000000000000001 R09: fffffbfff7d79bd0
[ 1399.250600][    C3] R10: ffffffffbebcde87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1399.250859][    C3] R13: 0000000000000001 R14: ffffffffbf4b9568 R15: 00000000ffffffff
[ 1399.251157][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1399.251389][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1399.251531][ C3] process_output_block (drivers/tty/n_tty.c:574) 
[ 1399.251715][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1399.251936][ C3] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 1399.252118][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 1399.252298][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1399.252480][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1399.252662][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1399.252837][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1399.253011][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1399.253202][ C3] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1399.253380][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1399.253563][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1399.253755][ C3] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 1399.253898][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 1399.254082][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1399.254275][ C3] ? __might_fault (mm/memory.c:6716 mm/memory.c:6709) 
[ 1399.254453][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1399.254626][ C3] ? __pfx_vfs_write (fs/read_write.c:664) 
[ 1399.254848][ C3] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 52)) 
[ 1399.255030][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:333) 
[ 1399.255257][ C3] ksys_write (fs/read_write.c:736) 
[ 1399.255393][ C3] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1399.255580][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1399.255756][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1399.255973][    C3] RIP: 0033:0x7f38f19ae957
[ 1399.256167][ 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
[ 1399.256784][    C3] RSP: 002b:00007fff2854c738 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1399.257056][    C3] RAX: ffffffffffffffda RBX: 000055e511aff3f0 RCX: 00007f38f19ae957
[ 1399.257320][    C3] RDX: 0000000000000001 RSI: 000055e511aff3f0 RDI: 0000000000000001
[ 1399.257582][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1399.257839][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000055e511aea5e0


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