======================================
| # 103.88 [+0.00] [ 1267.954783] br1: port 1(vx10) entered disabled state
| # 103.89 [+0.00] [ 1300.127766] Mirror/redirect action on
| # 103.89 [+0.00] [ 1307.809912] tc (8484) used greatest stack depth: 23904 bytes left
| # 103.89 [+0.00] [ 1322.930529] irq 4: nobody cared (try booting with the "irqpoll" option)
# 103.89 [+0.00] [ 1322.931215] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
# 103.90 [+0.00] [ 1322.931612] Call Trace:
# 103.90 [+0.00] [ 1322.931749]  <IRQ>
# 103.90 [+0.00] [ 1322.931845] dump_stack_lvl (lib/dump_stack.c:123) 
# 103.90 [+0.00] [ 1322.932036] __report_bad_irq (kernel/irq/spurious.c:214) 
# 103.90 [+0.00] [ 1322.932215] note_interrupt (kernel/irq/spurious.c:423) 
# 103.90 [+0.00] [ 1322.932394] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 103.90 [+0.00] [ 1322.932570] handle_edge_irq (kernel/irq/chip.c:833) 
# 103.91 [+0.00] [ 1322.932750] __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) 
# 103.91 [+0.00] [ 1322.932926] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 103.91 [+0.00] [ 1322.933101]  </IRQ>
# 103.91 [+0.00] [ 1322.933196]  <TASK>
# 103.91 [+0.00] [ 1322.933288] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 103.91 [+0.00] [ 1322.933465] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 103.91 [+0.00] [ 1322.933693] Code: 10 e8 21 9d 87 fd 48 89 ef e8 39 0e 88 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 09 7b 72 <74> 0e 5b 5d c3 cc cc cc cc e8 bf dd ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	21 9d 87 fd 48 89    	and    %ebx,-0x76b70279(%rbp)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 39 0e 88 fd       	call   0xfffffffffd880e47
   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 09 7b 72 	decl   %gs:0x727b0915(%rip)        # 0x727b093f
  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 bf dd ac fd       	call   0xfffffffffdacddf7
  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 bf dd ac fd       	call   0xfffffffffdacddcd
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 103.92 [+0.01] [ 1322.934327] RSP: 0018:ffffc900091afaa0 EFLAGS: 00000286
# 103.92 [+0.00] [ 1322.934550] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff217e8bf
# 103.92 [+0.00] [ 1322.934827] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d88c001
# 103.93 [+0.00] [ 1322.935091] RBP: ffffffff914b83e0 R08: 0000000000000001 R09: fffffbfff21799d0
# 103.93 [+0.00] [ 1322.935354] R10: ffffffff90bcce87 R11: 0000000000000000 R12: 00000000ffffffff
# 103.93 [+0.00] [ 1322.935613] R13: 0000000000000001 R14: ffffffff914b84e8 R15: 00000000ffffffff
# 103.93 [+0.00] [ 1322.935891] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 103.94 [+0.00] [ 1322.936118] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 103.94 [+0.00] [ 1322.936258] process_output_block (drivers/tty/n_tty.c:574) 
# 103.94 [+0.00] [ 1322.936439] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 103.94 [+0.00] [ 1322.936652] n_tty_write (drivers/tty/n_tty.c:2390) 
# 103.94 [+0.00] [ 1322.936817] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 103.94 [+0.00] [ 1322.936983] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 103.94 [+0.00] [ 1322.937154] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 103.95 [+0.00] [ 1322.937318] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 103.95 [+0.00] [ 1322.937475] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 103.95 [+0.00] [ 1322.937646] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 103.95 [+0.00] [ 1322.937820] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 103.95 [+0.00] [ 1322.938005] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 103.95 [+0.00] [ 1322.938177] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 103.95 [+0.00] [ 1322.938350] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
# 103.96 [+0.00] [ 1322.938484] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
# 103.96 [+0.00] [ 1322.938661] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 103.96 [+0.00] [ 1322.938837] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
# 103.96 [+0.00] [ 1322.939014] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 103.96 [+0.00] [ 1322.939189] ? __pfx_vfs_write (fs/read_write.c:664) 
# 103.96 [+0.00] [ 1322.939367] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
# 103.96 [+0.00] [ 1322.939545] ? __rseq_handle_notify_resume (kernel/rseq.c:316) 
# 103.97 [+0.00] [ 1322.939766] ksys_write (fs/read_write.c:736) 
# 103.97 [+0.00] [ 1322.939906] ? __pfx_ksys_write (fs/read_write.c:726) 
# 103.97 [+0.00] [ 1322.940092] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 103.97 [+0.00] [ 1322.940274] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 103.97 [+0.00] [ 1322.940491] RIP: 0033:0x7f7f765dc957
# 103.97 [+0.00] [ 1322.940671] 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
# 103.98 [+0.01] [ 1322.941268] RSP: 002b:00007ffcd7740108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 103.98 [+0.00] [ 1322.941529] RAX: ffffffffffffffda RBX: 000056445b41c2b0 RCX: 00007f7f765dc957
# 103.98 [+0.00] [ 1322.941788] RDX: 0000000000000001 RSI: 000056445b41c2b0 RDI: 0000000000000001
# 103.98 [+0.00] [ 1322.942050] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 103.99 [+0.00] [ 1322.942313] R10: 0000000000000001 R11: 0000000000000246 R12: 000056445b4075e0
# 103.99 [+0.00] [ 1322.942569] R13: 000056445b3e82a0 R14: 0000000000000001 R15: 000056445b4075e0
| 0
| xx__-> [ 1300.127766][ T8410] Mirror/redirect action on
| [ 1307.809912][ T8484] tc (8484) used greatest stack depth: 23904 bytes left
| [ 1322.930529][    C3] irq 4: nobody cared (try booting with the "irqpoll" option)
[ 1322.931215][    C3] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1322.931612][    C3] Call Trace:
[ 1322.931749][    C3]  <IRQ>
[ 1322.931845][ C3] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1322.932036][ C3] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1322.932215][ C3] note_interrupt (kernel/irq/spurious.c:423) 
[ 1322.932394][ C3] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1322.932570][ C3] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1322.932750][ 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) 
[ 1322.932926][ C3] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[ 1322.933101][    C3]  </IRQ>
[ 1322.933196][    C3]  <TASK>
[ 1322.933288][ C3] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1322.933465][ C3] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1322.933693][ C3] Code: 10 e8 21 9d 87 fd 48 89 ef e8 39 0e 88 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 09 7b 72 <74> 0e 5b 5d c3 cc cc cc cc e8 bf dd ac fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	21 9d 87 fd 48 89    	and    %ebx,-0x76b70279(%rbp)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 39 0e 88 fd       	call   0xfffffffffd880e47
   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 09 7b 72 	decl   %gs:0x727b0915(%rip)        # 0x727b093f
  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 bf dd ac fd       	call   0xfffffffffdacddf7
  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 bf dd ac fd       	call   0xfffffffffdacddcd
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 1322.934327][    C3] RSP: 0018:ffffc900091afaa0 EFLAGS: 00000286
[ 1322.934550][    C3] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff217e8bf
[ 1322.934827][    C3] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8d88c001
[ 1322.935091][    C3] RBP: ffffffff914b83e0 R08: 0000000000000001 R09: fffffbfff21799d0
[ 1322.935354][    C3] R10: ffffffff90bcce87 R11: 0000000000000000 R12: 00000000ffffffff
[ 1322.935613][    C3] R13: 0000000000000001 R14: ffffffff914b84e8 R15: 00000000ffffffff
[ 1322.935891][ C3] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1322.936118][ C3] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1322.936258][ C3] process_output_block (drivers/tty/n_tty.c:574) 
[ 1322.936439][ C3] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1322.936652][ C3] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 1322.936817][ C3] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 1322.936983][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1322.937154][ C3] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1322.937318][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1322.937475][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1322.937646][ C3] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1322.937820][ C3] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1322.938005][ C3] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1322.938177][ C3] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1322.938350][ C3] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 1322.938484][ C3] ? __pfx___lock_release (kernel/locking/lockdep.c:5477) 
[ 1322.938661][ C3] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1322.938837][ C3] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 1322.939014][ C3] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1322.939189][ C3] ? __pfx_vfs_write (fs/read_write.c:664) 
[ 1322.939367][ C3] ? __might_fault (mm/memory.c:6700 mm/memory.c:6693) 
[ 1322.939545][ C3] ? __rseq_handle_notify_resume (kernel/rseq.c:316) 
[ 1322.939766][ C3] ksys_write (fs/read_write.c:736) 
[ 1322.939906][ C3] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1322.940092][ C3] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1322.940274][ C3] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1322.940491][    C3] RIP: 0033:0x7f7f765dc957
[ 1322.940671][ 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
[ 1322.941268][    C3] RSP: 002b:00007ffcd7740108 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1322.941529][    C3] RAX: ffffffffffffffda RBX: 000056445b41c2b0 RCX: 00007f7f765dc957
[ 1322.941788][    C3] RDX: 0000000000000001 RSI: 000056445b41c2b0 RDI: 0000000000000001
[ 1322.942050][    C3] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1322.942313][    C3] R10: 0000000000000001 R11: 0000000000000246 R12: 000056445b4075e0


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