======================================
| # 76.91 [+0.00] [  903.935651] br1: port 1(vx10) entered disabled state
| # 76.91 [+0.00] [  925.245767] Mirror/redirect action on
| # 76.91 [+0.00] [  930.964014] tc (10922) used greatest stack depth: 23792 bytes left
| # 76.91 [+0.00] [  943.220156] irq 51: nobody cared (try booting with the "irqpoll" option)
# 76.91 [+0.00] [  943.220579] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 76.92 [+0.00] [  943.220581] Call Trace:
# 76.92 [+0.00] [  943.220583]  <IRQ>
# 76.92 [+0.00] [  943.220585] dump_stack_lvl (lib/dump_stack.c:123) 
# 76.92 [+0.00] [  943.220596] __report_bad_irq (kernel/irq/spurious.c:214) 
# 76.92 [+0.00] [  943.220606] note_interrupt (kernel/irq/spurious.c:423) 
# 76.92 [+0.00] [  943.220615] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 76.92 [+0.00] [  943.220621] handle_edge_irq (kernel/irq/chip.c:833) 
# 76.92 [+0.00] [  943.220631] __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) 
# 76.92 [+0.00] [  943.220639] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 76.92 [+0.00] [  943.220643]  </IRQ>
# 76.92 [+0.00] [  943.220644]  <TASK>
# 76.93 [+0.00] [  943.220647] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 76.93 [+0.00] [  943.220652] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 76.93 [+0.00] [ 943.220658] Code: 10 e8 31 ec 87 fd 48 89 ef e8 79 5c 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 ed af 75 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 8d ad fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	31 ec                	xor    %ebp,%esp
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 79 5c 88 fd       	call   0xfffffffffd885c87
   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 ed af 75 	decl   %gs:0x75afedb5(%rip)        # 0x75afeddf
  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 7f 8d ad fd       	call   0xfffffffffdad8db7
  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 7f 8d ad fd       	call   0xfffffffffdad8d8d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 76.93 [+0.00] [  943.220660] RSP: 0018:ffffc9000bc77aa0 EFLAGS: 00000286
# 76.93 [+0.00] [  943.220664] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1ac9bf9
# 76.94 [+0.00] [  943.220666] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8a53d761
# 76.94 [+0.00] [  943.220668] RBP: ffffffff8df14b20 R08: 0000000000000001 R09: fffffbfff1ac51eb
# 76.95 [+0.01] [  943.220669] R10: ffffffff8d628f5f R11: ffff88801242c5c0 R12: 00000000ffffffff
# 76.95 [+0.00] [  943.220671] R13: 0000000000000001 R14: ffffffff8df14c28 R15: 00000000ffffffff
# 76.95 [+0.00] [  943.220683] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 76.95 [+0.00] [  943.220691] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 76.95 [+0.00] [  943.220702] process_output_block (drivers/tty/n_tty.c:574) 
# 76.96 [+0.00] [  943.220710] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
# 76.96 [+0.00] [  943.220718] n_tty_write (drivers/tty/n_tty.c:2390) 
# 76.96 [+0.00] [  943.220730] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 76.96 [+0.00] [  943.220733] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
# 76.96 [+0.00] [  943.220737] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 76.96 [+0.00] [  943.220743] ? lock_acquire (kernel/locking/lockdep.c:5824) 
# 76.96 [+0.00] [  943.220746] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 76.96 [+0.00] [  943.220757] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 76.96 [+0.00] [  943.220764] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 76.97 [+0.00] [  943.220771] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 76.97 [+0.00] [  943.220779] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 76.97 [+0.00] [  943.220785] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
# 76.97 [+0.00] [  943.220788] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
# 76.97 [+0.00] [  943.220791] ? lock_acquire (kernel/locking/lockdep.c:5824) 
# 76.97 [+0.00] [  943.220795] ? __pfx_vfs_write (fs/read_write.c:660) 
# 76.97 [+0.00] [  943.220803] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
# 76.97 [+0.00] [  943.220812] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
# 76.98 [+0.00] [  943.220824] ksys_write (fs/read_write.c:731) 
# 76.98 [+0.00] [  943.220830] ? __pfx_ksys_write (fs/read_write.c:721) 
# 76.98 [+0.00] [  943.220843] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 76.98 [+0.00] [  943.220849] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 76.98 [+0.00] [  943.220852] RIP: 0033:0x7efda1a15b77
# 76.98 [+0.00] [ 943.220857] 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
# 76.99 [+0.01] [  943.220859] RSP: 002b:00007ffe000fd6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 76.99 [+0.00] [  943.220862] RAX: ffffffffffffffda RBX: 000056045f5f63f0 RCX: 00007efda1a15b77
# 76.99 [+0.00] [  943.220864] RDX: 0000000000000001 RSI: 000056045f5f63f0 RDI: 0000000000000001
# 76.99 [+0.00] [  943.220865] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 76.99 [+0.00] [  943.220866] R10: 0000000000000001 R11: 0000000000000246 R12: 000056045f5e15e0
# 77.00 [+0.00] [  943.220868] R13: 000056045f5c22a0 R14: 0000000000000001 R15: 000056045f5e15e0
| 0
| xx__-> [  925.245767][T10790] Mirror/redirect action on
| [  930.964014][T10922] tc (10922) used greatest stack depth: 23792 bytes left
| [  943.220156][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  943.220579][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  943.220581][    C0] Call Trace:
[  943.220583][    C0]  <IRQ>
[ 943.220585][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 943.220596][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 943.220606][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 943.220615][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 943.220621][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 943.220631][ 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) 
[ 943.220639][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  943.220643][    C0]  </IRQ>
[  943.220644][    C0]  <TASK>
[ 943.220647][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 943.220652][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 943.220658][ C0] Code: 10 e8 31 ec 87 fd 48 89 ef e8 79 5c 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 ed af 75 <74> 0e 5b 5d c3 cc cc cc cc e8 7f 8d ad fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	31 ec                	xor    %ebp,%esp
   4:	87 fd                	xchg   %edi,%ebp
   6:	48 89 ef             	mov    %rbp,%rdi
   9:	e8 79 5c 88 fd       	call   0xfffffffffd885c87
   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 ed af 75 	decl   %gs:0x75afedb5(%rip)        # 0x75afeddf
  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 7f 8d ad fd       	call   0xfffffffffdad8db7
  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 7f 8d ad fd       	call   0xfffffffffdad8d8d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  943.220660][    C0] RSP: 0018:ffffc9000bc77aa0 EFLAGS: 00000286
[  943.220664][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1ac9bf9
[  943.220666][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8a53d761
[  943.220668][    C0] RBP: ffffffff8df14b20 R08: 0000000000000001 R09: fffffbfff1ac51eb
[  943.220669][    C0] R10: ffffffff8d628f5f R11: ffff88801242c5c0 R12: 00000000ffffffff
[  943.220671][    C0] R13: 0000000000000001 R14: ffffffff8df14c28 R15: 00000000ffffffff
[ 943.220683][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 943.220691][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 943.220702][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 943.220710][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 943.220718][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 943.220730][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 943.220733][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 943.220737][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 943.220743][ C0] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 943.220746][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 943.220757][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 943.220764][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 943.220771][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 943.220779][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 943.220785][ C0] ? __pfx___lock_release (kernel/locking/lockdep.c:5503) 
[ 943.220788][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 21)) 
[ 943.220791][ C0] ? lock_acquire (kernel/locking/lockdep.c:5824) 
[ 943.220795][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 943.220803][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 943.220812][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4349 kernel/locking/lockdep.c:4408) 
[ 943.220824][ C0] ksys_write (fs/read_write.c:731) 
[ 943.220830][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 943.220843][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 943.220849][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  943.220852][    C0] RIP: 0033:0x7efda1a15b77
[ 943.220857][ 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
[  943.220859][    C0] RSP: 002b:00007ffe000fd6e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  943.220862][    C0] RAX: ffffffffffffffda RBX: 000056045f5f63f0 RCX: 00007efda1a15b77
[  943.220864][    C0] RDX: 0000000000000001 RSI: 000056045f5f63f0 RDI: 0000000000000001
[  943.220865][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  943.220866][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000056045f5e15e0


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