======================================
| # 89.82 [+0.00] [  948.665916] br1: port 1(vx10) entered disabled state
| # 89.82 [+0.00] [  969.090916] Mirror/redirect action on
| # 89.82 [+0.00] [  980.136193] tc (4982) used greatest stack depth: 23224 bytes left
| # 89.82 [+0.00] [ 1004.676487] irq 51: nobody cared (try booting with the "irqpoll" option)
# 89.83 [+0.00] [ 1004.677273] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 89.83 [+0.00] [ 1004.677524] Call Trace:
# 89.83 [+0.00] [ 1004.677681]  <IRQ>
# 89.83 [+0.00] [ 1004.677793] dump_stack_lvl (lib/dump_stack.c:123) 
# 89.83 [+0.00] [ 1004.678000] __report_bad_irq (kernel/irq/spurious.c:214) 
# 89.83 [+0.00] [ 1004.678190] note_interrupt (kernel/irq/spurious.c:423) 
# 89.83 [+0.00] [ 1004.678457] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 89.83 [+0.00] [ 1004.678645] handle_edge_irq (kernel/irq/chip.c:833) 
# 89.84 [+0.01] [ 1004.678836] __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) 
# 89.84 [+0.00] [ 1004.679023] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 89.84 [+0.00] [ 1004.679207]  </IRQ>
# 89.84 [+0.00] [ 1004.679305]  <TASK>
# 89.85 [+0.00] [ 1004.679407] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 89.85 [+0.00] [ 1004.679595] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 89.85 [+0.00] [ 1004.679858] Code: 10 e8 01 53 86 fd 48 89 ef e8 69 c5 86 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 9c 19 4c <74> 0e 5b 5d c3 cc cc cc cc e8 cf ab ab fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	01 53 86             	add    %edx,-0x7a(%rbx)
   5:	fd                   	std
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 69 c5 86 fd       	call   0xfffffffffd86c577
   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 9c 19 4c 	decl   %gs:0x4c199c15(%rip)        # 0x4c199c3f
  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 cf ab ab fd       	call   0xfffffffffdabac07
  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 cf ab ab fd       	call   0xfffffffffdababdd
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 89.85 [+0.01] [ 1004.680480] RSP: 0018:ffffc900019e7aa0 EFLAGS: 00000286
# 89.85 [+0.00] [ 1004.680697] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6e410e3
# 89.86 [+0.00] [ 1004.680953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3ea2ac1
# 89.86 [+0.00] [ 1004.681207] RBP: ffffffffb7acf4a0 R08: 0000000000000001 R09: fffffbfff6e3c7cf
# 89.86 [+0.00] [ 1004.681465] R10: ffffffffb71e3e7f R11: ffff888009900040 R12: 00000000ffffffff
# 89.86 [+0.00] [ 1004.681721] R13: 0000000000000001 R14: ffffffffb7acf5a8 R15: 00000000ffffffff
# 89.86 [+0.00] [ 1004.681984] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 89.87 [+0.00] [ 1004.682205] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 89.87 [+0.00] [ 1004.682350] process_output_block (drivers/tty/n_tty.c:574) 
# 89.87 [+0.00] [ 1004.682543] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 89.87 [+0.00] [ 1004.682757] n_tty_write (drivers/tty/n_tty.c:2390) 
# 89.87 [+0.00] [ 1004.682931] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 89.87 [+0.00] [ 1004.683100] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 89.87 [+0.00] [ 1004.683279] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 89.87 [+0.00] [ 1004.683447] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 89.88 [+0.00] [ 1004.683618] ? lock_acquire (kernel/locking/lockdep.c:5798) 
# 89.88 [+0.00] [ 1004.683783] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 89.88 [+0.00] [ 1004.683962] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 89.88 [+0.00] [ 1004.684145] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 89.88 [+0.00] [ 1004.684324] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 89.88 [+0.00] [ 1004.684496] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
# 89.88 [+0.00] [ 1004.684626] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
# 89.88 [+0.00] [ 1004.684799] ? __pfx_vfs_write (fs/read_write.c:664) 
# 89.89 [+0.00] [ 1004.684974] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 89.89 [+0.00] [ 1004.685152] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
# 89.89 [+0.00] [ 1004.685370] ksys_write (fs/read_write.c:736) 
# 89.89 [+0.00] [ 1004.685506] ? __pfx_ksys_write (fs/read_write.c:726) 
# 89.89 [+0.00] [ 1004.685684] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 89.89 [+0.00] [ 1004.685854] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 89.89 [+0.00] [ 1004.686059] RIP: 0033:0x7f8d8ed55957
# 89.89 [+0.00] [ 1004.686239] 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
# 89.90 [+0.00] [ 1004.686823] RSP: 002b:00007ffe1f40d1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 89.90 [+0.00] [ 1004.687079] RAX: ffffffffffffffda RBX: 000055882ac443f0 RCX: 00007f8d8ed55957
# 89.90 [+0.00] [ 1004.687327] RDX: 0000000000000001 RSI: 000055882ac443f0 RDI: 0000000000000001
# 89.90 [+0.00] [ 1004.687577] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 89.91 [+0.00] [ 1004.687819] R10: 0000000000000001 R11: 0000000000000246 R12: 000055882ac2f5e0
# 89.91 [+0.00] [ 1004.688075] R13: 000055882ac102a0 R14: 0000000000000001 R15: 000055882ac2f5e0
| 0
| xx__-> [  969.090916][ T4750] Mirror/redirect action on
| [  980.136193][ T4982] tc (4982) used greatest stack depth: 23224 bytes left
| [ 1004.676487][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1004.677273][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1004.677524][    C0] Call Trace:
[ 1004.677681][    C0]  <IRQ>
[ 1004.677793][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1004.678000][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 1004.678190][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 1004.678457][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1004.678645][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 1004.678836][ C0] __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) 
[ 1004.679023][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[ 1004.679207][    C0]  </IRQ>
[ 1004.679305][    C0]  <TASK>
[ 1004.679407][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1004.679595][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1004.679858][ C0] Code: 10 e8 01 53 86 fd 48 89 ef e8 69 c5 86 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 9c 19 4c <74> 0e 5b 5d c3 cc cc cc cc e8 cf ab ab fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	01 53 86             	add    %edx,-0x7a(%rbx)
   5:	fd                   	std
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 69 c5 86 fd       	call   0xfffffffffd86c577
   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 9c 19 4c 	decl   %gs:0x4c199c15(%rip)        # 0x4c199c3f
  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 cf ab ab fd       	call   0xfffffffffdabac07
  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 cf ab ab fd       	call   0xfffffffffdababdd
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[ 1004.680480][    C0] RSP: 0018:ffffc900019e7aa0 EFLAGS: 00000286
[ 1004.680697][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff6e410e3
[ 1004.680953][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb3ea2ac1
[ 1004.681207][    C0] RBP: ffffffffb7acf4a0 R08: 0000000000000001 R09: fffffbfff6e3c7cf
[ 1004.681465][    C0] R10: ffffffffb71e3e7f R11: ffff888009900040 R12: 00000000ffffffff
[ 1004.681721][    C0] R13: 0000000000000001 R14: ffffffffb7acf5a8 R15: 00000000ffffffff
[ 1004.681984][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1004.682205][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 1004.682350][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 1004.682543][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 1004.682757][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 1004.682931][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 1004.683100][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 1004.683279][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 1004.683447][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1004.683618][ C0] ? lock_acquire (kernel/locking/lockdep.c:5798) 
[ 1004.683783][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 1004.683962][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 1004.684145][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1004.684324][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 1004.684496][ C0] vfs_write (fs/read_write.c:590 fs/read_write.c:683) 
[ 1004.684626][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5790) 
[ 1004.684799][ C0] ? __pfx_vfs_write (fs/read_write.c:664) 
[ 1004.684974][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1004.685152][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 1004.685370][ C0] ksys_write (fs/read_write.c:736) 
[ 1004.685506][ C0] ? __pfx_ksys_write (fs/read_write.c:726) 
[ 1004.685684][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 1004.685854][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1004.686059][    C0] RIP: 0033:0x7f8d8ed55957
[ 1004.686239][ C0] 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
[ 1004.686823][    C0] RSP: 002b:00007ffe1f40d1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1004.687079][    C0] RAX: ffffffffffffffda RBX: 000055882ac443f0 RCX: 00007f8d8ed55957
[ 1004.687327][    C0] RDX: 0000000000000001 RSI: 000055882ac443f0 RDI: 0000000000000001
[ 1004.687577][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1004.687819][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055882ac2f5e0


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