======================================
| # 114.19 [+0.00] [  859.478880] br1: port 1(vx1) entered disabled state
| # 114.19 [+0.00] [ 1079.811646] Mirror/redirect action on
| # 114.19 [+0.00] [ 1086.459267] tc (7959) used greatest stack depth: 23520 bytes left
| # 114.20 [+0.00] [ 1126.539536] irq 51: nobody cared (try booting with the "irqpoll" option)
# 114.20 [+0.00] [ 1126.540184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 114.21 [+0.00] [ 1126.540187] Call Trace:
# 114.21 [+0.00] [ 1126.540190]  <IRQ>
# 114.21 [+0.00] [ 1126.540193]  dump_stack_lvl (lib/dump_stack.c:123)
# 114.21 [+0.00] [ 1126.540206]  __report_bad_irq (kernel/irq/spurious.c:170)
# 114.22 [+0.00] [ 1126.540215]  note_interrupt (kernel/irq/spurious.c:372)
# 114.22 [+0.00] [ 1126.540223]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
# 114.22 [+0.00] [ 1126.540229]  handle_edge_irq (kernel/irq/chip.c:857)
# 114.22 [+0.00] [ 1126.540240]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
# 114.24 [+0.02] [ 1126.540251]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
# 114.24 [+0.00] [ 1126.540256]  </IRQ>
# 114.24 [+0.00] [ 1126.540257]  <TASK>
# 114.25 [+0.00] [ 1126.540260]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 114.25 [+0.00] [ 1126.540265] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 114.25 [+0.00] [ 1126.540273] Code: 74 24 10 e8 51 2a ff fd 48 89 ef e8 79 79 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 0a b2 f3 fd 65 8b 05 b3 8b 07 02 85 c0 74 0a 5b 5d c3 e8 87 3e
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	51                   	push   %rcx
   5:	2a ff                	sub    %bh,%bh
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 79 79 ff fd       	call   0xfffffffffdff7989
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 0a b2 f3 fd       	call   0xfffffffffdf3b239		<-- trapping instruction
  2f:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	87 3e                	xchg   %edi,(%rsi)

Code starting with the faulting instruction
===========================================
   0:	e8 0a b2 f3 fd       	call   0xfffffffffdf3b20f
   5:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	87 3e                	xchg   %edi,(%rsi)
# 114.26 [+0.01] [ 1126.540276] RSP: 0018:ffffc90009e47a88 EFLAGS: 00000206
# 114.26 [+0.00] [ 1126.540280] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 114.27 [+0.00] [ 1126.540282] RDX: 0000000000000000 RSI: ffffffffb2386a21 RDI: 0000000000000001
# 114.27 [+0.00] [ 1126.540284] RBP: ffffffffb4c6e560 R08: 0000000000000001 R09: 0000000000000001
# 114.28 [+0.00] [ 1126.540286] R10: ffffffffb3224257 R11: ffff888005eb8970 R12: 00000000ffffffff
# 114.28 [+0.00] [ 1126.540288] R13: 0000000000000001 R14: ffffffffb4c6e668 R15: 00000000ffffffff
# 114.28 [+0.00] [ 1126.540304]  uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:634)
# 114.28 [+0.00] [ 1126.540316]  process_output_block (drivers/tty/n_tty.c:561)
# 114.29 [+0.00] [ 1126.540325]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
# 114.29 [+0.00] [ 1126.540332]  n_tty_write (drivers/tty/n_tty.c:2378)
# 114.29 [+0.00] [ 1126.540335]  ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260)
# 114.29 [+0.00] [ 1126.540347]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
# 114.30 [+0.00] [ 1126.540354]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 114.30 [+0.00] [ 1126.540362]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
# 114.30 [+0.00] [ 1126.540366]  ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958)
# 114.30 [+0.00] [ 1126.540376]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 114.31 [+0.00] [ 1126.540383]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 114.31 [+0.00] [ 1126.540390]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081)
# 114.31 [+0.00] [ 1126.540398]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
# 114.31 [+0.00] [ 1126.540405]  ? __run_timers (kernel/time/timer.c:1795 kernel/time/timer.c:2372)
# 114.32 [+0.00] [ 1126.540410]  ? add_hwgenerator_randomness (drivers/char/random.c:1079)
# 114.32 [+0.00] [ 1126.540416]  ? kernel_write (fs/read_write.c:667)
# 114.32 [+0.00] [ 1126.540423]  ? call_timer_fn (kernel/time/timer.c:2343)
# 114.32 [+0.00] [ 1126.540432]  ? find_held_lock (kernel/locking/lockdep.c:5350)
# 114.32 [+0.00] [ 1126.540441]  ksys_write (fs/read_write.c:738)
# 114.33 [+0.00] [ 1126.540445]  ? __ia32_sys_read (fs/read_write.c:728)
# 114.33 [+0.00] [ 1126.540450]  ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:469 kernel/softirq.c:650)
# 114.33 [+0.00] [ 1126.540460]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
# 114.33 [+0.00] [ 1126.540468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
# 114.33 [+0.00] [ 1126.540471] RIP: 0033:0x7fc2f13c0257
# 114.33 [+0.00] [ 1126.540476] Code: 0f 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:	0f 00                	(bad)
   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
# 114.34 [+0.01] [ 1126.540478] RSP: 002b:00007ffeb3ac1bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 114.35 [+0.00] [ 1126.540481] RAX: ffffffffffffffda RBX: 000055a8ea8222e0 RCX: 00007fc2f13c0257
# 114.35 [+0.00] [ 1126.540483] RDX: 0000000000000001 RSI: 000055a8ea8222e0 RDI: 0000000000000001
# 114.35 [+0.01] [ 1126.540485] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 114.36 [+0.01] [ 1126.540486] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a8ea80d600
# 114.37 [+0.00] [ 1126.540488] R13: 000055a8ea7ee2a0 R14: 0000000000000001 R15: 000055a8ea80d600
| 0
| xx__-> [ 1079.811646][ T7848] Mirror/redirect action on
| [ 1086.459267][ T7959] tc (7959) used greatest stack depth: 23520 bytes left
| [ 1126.539536][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1126.540184][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1126.540187][    C0] Call Trace:
[ 1126.540190][    C0]  <IRQ>
[ 1126.540193][    C0]  dump_stack_lvl (lib/dump_stack.c:123)
[ 1126.540206][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[ 1126.540215][    C0]  note_interrupt (kernel/irq/spurious.c:372)
[ 1126.540223][    C0]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
[ 1126.540229][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[ 1126.540240][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
[ 1126.540251][    C0]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14))
[ 1126.540256][    C0]  </IRQ>
[ 1126.540257][    C0]  <TASK>
[ 1126.540260][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[ 1126.540265][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 1126.540273][    C0] Code: 74 24 10 e8 51 2a ff fd 48 89 ef e8 79 79 ff fd 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 <e8> 0a b2 f3 fd 65 8b 05 b3 8b 07 02 85 c0 74 0a 5b 5d c3 e8 87 3e
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	51                   	push   %rcx
   5:	2a ff                	sub    %bh,%bh
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 79 79 ff fd       	call   0xfffffffffdff7989
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 25                	jne    0x3d
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 2d                	jne    0x4c
  1f:	48 85 db             	test   %rbx,%rbx
  22:	74 01                	je     0x25
  24:	fb                   	sti
  25:	bf 01 00 00 00       	mov    $0x1,%edi
  2a:*	e8 0a b2 f3 fd       	call   0xfffffffffdf3b239		<-- trapping instruction
  2f:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078be9
  36:	85 c0                	test   %eax,%eax
  38:	74 0a                	je     0x44
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	e8                   	.byte 0xe8
  3e:	87 3e                	xchg   %edi,(%rsi)

Code starting with the faulting instruction
===========================================
   0:	e8 0a b2 f3 fd       	call   0xfffffffffdf3b20f
   5:	65 8b 05 b3 8b 07 02 	mov    %gs:0x2078bb3(%rip),%eax        # 0x2078bbf
   c:	85 c0                	test   %eax,%eax
   e:	74 0a                	je     0x1a
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	e8                   	.byte 0xe8
  14:	87 3e                	xchg   %edi,(%rsi)
[ 1126.540276][    C0] RSP: 0018:ffffc90009e47a88 EFLAGS: 00000206
[ 1126.540280][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1126.540282][    C0] RDX: 0000000000000000 RSI: ffffffffb2386a21 RDI: 0000000000000001
[ 1126.540284][    C0] RBP: ffffffffb4c6e560 R08: 0000000000000001 R09: 0000000000000001
[ 1126.540286][    C0] R10: ffffffffb3224257 R11: ffff888005eb8970 R12: 00000000ffffffff
[ 1126.540288][    C0] R13: 0000000000000001 R14: ffffffffb4c6e668 R15: 00000000ffffffff
[ 1126.540304][    C0]  uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:92 drivers/tty/serial/serial_core.c:88 drivers/tty/serial/serial_core.c:634)
[ 1126.540316][    C0]  process_output_block (drivers/tty/n_tty.c:561)
[ 1126.540325][    C0]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 1126.540332][    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
[ 1126.540335][    C0]  ? _copy_from_iter (./arch/x86/include/asm/uaccess_64.h:126 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:55 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:249 lib/iov_iter.c:260)
[ 1126.540347][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
[ 1126.540354][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[ 1126.540362][    C0]  ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831)
[ 1126.540366][    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958)
[ 1126.540376][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[ 1126.540383][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[ 1126.540390][    C0]  file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081)
[ 1126.540398][    C0]  vfs_write (fs/read_write.c:594 fs/read_write.c:686)
[ 1126.540405][    C0]  ? __run_timers (kernel/time/timer.c:1795 kernel/time/timer.c:2372)
[ 1126.540410][    C0]  ? add_hwgenerator_randomness (drivers/char/random.c:1079)
[ 1126.540416][    C0]  ? kernel_write (fs/read_write.c:667)
[ 1126.540423][    C0]  ? call_timer_fn (kernel/time/timer.c:2343)
[ 1126.540432][    C0]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[ 1126.540441][    C0]  ksys_write (fs/read_write.c:738)
[ 1126.540445][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[ 1126.540450][    C0]  ? handle_softirqs (./arch/x86/include/asm/preempt.h:27 kernel/softirq.c:469 kernel/softirq.c:650)
[ 1126.540460][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1126.540468][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1126.540471][    C0] RIP: 0033:0x7fc2f13c0257
[ 1126.540476][    C0] Code: 0f 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:	0f 00                	(bad)
   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
[ 1126.540478][    C0] RSP: 002b:00007ffeb3ac1bc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1126.540481][    C0] RAX: ffffffffffffffda RBX: 000055a8ea8222e0 RCX: 00007fc2f13c0257
[ 1126.540483][    C0] RDX: 0000000000000001 RSI: 000055a8ea8222e0 RDI: 0000000000000001
[ 1126.540485][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1126.540486][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 000055a8ea80d600


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