======================================
| # 86.93 [+0.00] [  891.284597] br1: port 1(vx10) entered disabled state
| # 86.93 [+0.00] [  912.867823] Mirror/redirect action on
| # 86.93 [+0.00] [  918.867208] tc (10913) used greatest stack depth: 22944 bytes left
| # 86.93 [+0.00] [  968.327141] irq 51: nobody cared (try booting with the "irqpoll" option)
# 86.94 [+0.00] [  968.327637] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 86.94 [+0.00] [  968.327640] Call Trace:
# 86.94 [+0.00] [  968.327642]  <IRQ>
# 86.94 [+0.00] [  968.327645] dump_stack_lvl (lib/dump_stack.c:123) 
# 86.94 [+0.00] [  968.327658] __report_bad_irq (kernel/irq/spurious.c:214) 
# 86.94 [+0.00] [  968.327669] note_interrupt (kernel/irq/spurious.c:423) 
# 86.94 [+0.00] [  968.327678] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 86.94 [+0.00] [  968.327684] handle_edge_irq (kernel/irq/chip.c:833) 
# 86.94 [+0.00] [  968.327695] __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) 
# 86.94 [+0.00] [  968.327703] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 86.95 [+0.00] [  968.327708]  </IRQ>
# 86.95 [+0.01] [  968.327709]  <TASK>
# 86.95 [+0.00] [  968.327712] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 86.96 [+0.00] [  968.327718] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 86.96 [+0.00] [ 968.327724] Code: 10 e8 31 28 88 fd 48 89 ef e8 79 98 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 b5 2d 90 4a <74> 0e 5b 5d c3 cc cc cc cc e8 3f be ad fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	31 28                	xor    %ebp,(%rax)
   4:	88 fd                	mov    %bh,%ch
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 79 98 88 fd       	call   0xfffffffffd889887
   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 b5 2d 90 4a 	decl   %gs:0x4a902db5(%rip)        # 0x4a902ddf
  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 3f be ad fd       	call   0xfffffffffdadbe77
  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 3f be ad fd       	call   0xfffffffffdadbe4d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 86.96 [+0.00] [  968.327727] RSP: 0018:ffffc9000b377aa0 EFLAGS: 00000286
# 86.96 [+0.00] [  968.327731] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff710922b
# 86.97 [+0.00] [  968.327734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb5739761
# 86.97 [+0.00] [  968.327735] RBP: ffffffffb910fae0 R08: 0000000000000001 R09: fffffbfff71047eb
# 86.97 [+0.00] [  968.327737] R10: ffffffffb8823f5f R11: ffff88800d46c5c0 R12: 00000000ffffffff
# 86.97 [+0.00] [  968.327739] R13: 0000000000000001 R14: ffffffffb910fbe8 R15: 00000000ffffffff
# 86.97 [+0.00] [  968.327750] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 86.97 [+0.00] [  968.327758] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 86.97 [+0.00] [  968.327771] process_output_block (drivers/tty/n_tty.c:574) 
# 86.98 [+0.00] [  968.327780] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
# 86.98 [+0.00] [  968.327790] n_tty_write (drivers/tty/n_tty.c:2390) 
# 86.98 [+0.00] [  968.327801] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 86.98 [+0.00] [  968.327804] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
# 86.98 [+0.00] [  968.327808] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 86.98 [+0.00] [  968.327815] ? lock_acquire (kernel/locking/lockdep.c:5824) 
# 86.98 [+0.00] [  968.327818] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 86.98 [+0.00] [  968.327828] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 86.98 [+0.00] [  968.327834] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 86.99 [+0.00] [  968.327842] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 86.99 [+0.00] [  968.327850] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 86.99 [+0.00] [  968.327858] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
# 86.99 [+0.00] [  968.327862] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
# 86.99 [+0.00] [  968.327864] ? lock_acquire (kernel/locking/lockdep.c:5824) 
# 86.99 [+0.00] [  968.327868] ? __pfx_vfs_write (fs/read_write.c:660) 
# 86.99 [+0.00] [  968.327875] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
# 86.99 [+0.00] [  968.327885] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
# 86.99 [+0.00] [  968.327887] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
# 87.00 [+0.00] [  968.327899] ksys_write (fs/read_write.c:731) 
# 87.00 [+0.00] [  968.327904] ? __pfx_ksys_write (fs/read_write.c:721) 
# 87.00 [+0.00] [  968.327917] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 87.00 [+0.00] [  968.327924] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 87.00 [+0.00] [  968.327927] RIP: 0033:0x7f709dd80b77
# 87.00 [+0.00] [ 968.327932] 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
# 87.01 [+0.00] [  968.327934] RSP: 002b:00007ffde98eb8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 87.01 [+0.00] [  968.327937] RAX: ffffffffffffffda RBX: 00005599cd2703f0 RCX: 00007f709dd80b77
# 87.01 [+0.00] [  968.327938] RDX: 0000000000000001 RSI: 00005599cd2703f0 RDI: 0000000000000001
# 87.01 [+0.00] [  968.327940] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 87.01 [+0.00] [  968.327941] R10: 0000000000000001 R11: 0000000000000246 R12: 00005599cd25b5e0
# 87.02 [+0.00] [  968.327943] R13: 00005599cd23c2a0 R14: 0000000000000001 R15: 00005599cd25b5e0
| 0
| xx__-> [  912.867823][T10782] Mirror/redirect action on
| [  918.867208][T10913] tc (10913) used greatest stack depth: 22944 bytes left
| [  968.327141][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  968.327637][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  968.327640][    C0] Call Trace:
[  968.327642][    C0]  <IRQ>
[ 968.327645][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 968.327658][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 968.327669][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 968.327678][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 968.327684][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 968.327695][ 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) 
[ 968.327703][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  968.327708][    C0]  </IRQ>
[  968.327709][    C0]  <TASK>
[ 968.327712][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 968.327718][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 968.327724][ C0] Code: 10 e8 31 28 88 fd 48 89 ef e8 79 98 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 b5 2d 90 4a <74> 0e 5b 5d c3 cc cc cc cc e8 3f be ad fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	31 28                	xor    %ebp,(%rax)
   4:	88 fd                	mov    %bh,%ch
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 79 98 88 fd       	call   0xfffffffffd889887
   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 b5 2d 90 4a 	decl   %gs:0x4a902db5(%rip)        # 0x4a902ddf
  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 3f be ad fd       	call   0xfffffffffdadbe77
  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 3f be ad fd       	call   0xfffffffffdadbe4d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  968.327727][    C0] RSP: 0018:ffffc9000b377aa0 EFLAGS: 00000286
[  968.327731][    C0] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff710922b
[  968.327734][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb5739761
[  968.327735][    C0] RBP: ffffffffb910fae0 R08: 0000000000000001 R09: fffffbfff71047eb
[  968.327737][    C0] R10: ffffffffb8823f5f R11: ffff88800d46c5c0 R12: 00000000ffffffff
[  968.327739][    C0] R13: 0000000000000001 R14: ffffffffb910fbe8 R15: 00000000ffffffff
[ 968.327750][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 968.327758][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 968.327771][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 968.327780][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 968.327790][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 968.327801][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 968.327804][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 968.327808][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 968.327815][ C0] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 968.327818][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 968.327828][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 968.327834][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 968.327842][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 968.327850][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 968.327858][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 968.327862][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 968.327864][ C0] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 968.327868][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 968.327875][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 968.327885][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:420) 
[ 968.327887][ C0] ? spin_bug (kernel/locking/spinlock_debug.c:64 kernel/locking/spinlock_debug.c:78) 
[ 968.327899][ C0] ksys_write (fs/read_write.c:731) 
[ 968.327904][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 968.327917][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 968.327924][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  968.327927][    C0] RIP: 0033:0x7f709dd80b77
[ 968.327932][ 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
[  968.327934][    C0] RSP: 002b:00007ffde98eb8f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  968.327937][    C0] RAX: ffffffffffffffda RBX: 00005599cd2703f0 RCX: 00007f709dd80b77
[  968.327938][    C0] RDX: 0000000000000001 RSI: 00005599cd2703f0 RDI: 0000000000000001
[  968.327940][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  968.327941][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005599cd25b5e0


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