======================================
| # 117.91 [+0.00] [ 1076.810662] [ T4306] Mirror/redirect action on
| # 117.91 [+0.00] [ 1076.821558] [ T4305] tc (4305) used greatest stack depth: 23864 bytes left
| # 117.91 [+0.00] [ 1080.366788] [ T4500] tc (4500) used greatest stack depth: 23640 bytes left
| # 117.92 [+0.00] [ 1101.893967] [    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
# 117.93 [+0.01] [ 1101.894349] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 117.93 [+0.00] [ 1101.894351] [    C0] Call Trace:
# 117.93 [+0.00] [ 1101.894353] [    C0]  <IRQ>
# 117.93 [+0.00] [ 1101.894355] [    C0]  dump_stack_lvl (lib/dump_stack.c:122)
# 117.94 [+0.00] [ 1101.894365] [    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
# 117.94 [+0.00] [ 1101.894370] [    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
# 117.94 [+0.00] [ 1101.894372] [    C0]  ? trace_irq_handler_exit (./include/trace/events/irq.h:83 (discriminator 33))
# 117.94 [+0.00] [ 1101.894377] [    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
# 117.95 [+0.00] [ 1101.894381] [    C0]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
# 117.95 [+0.00] [ 1101.894384] [    C0]  handle_edge_irq (kernel/irq/chip.c:857)
# 117.95 [+0.00] [ 1101.894388] [    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
# 117.96 [+0.00] [ 1101.894392] [    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1061 (discriminator 6))
# 117.96 [+0.00] [ 1101.894395] [    C0]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 49))
# 117.96 [+0.00] [ 1101.894400] [    C0]  </IRQ>
# 117.96 [+0.00] [ 1101.894400] [    C0]  <TASK>
# 117.97 [+0.00] [ 1101.894402] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 117.97 [+0.00] [ 1101.894404] [    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 117.97 [+0.00] [ 1101.894408] [    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 a1 d2 e4 fd 48 89 df e8 e9 1d e5 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 b5 d8 fd 65 8b 05 a9 77 0b 02 85 c0 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 a1 d2 e4 fd       	call   0xfffffffffde4d2b4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 e9 1d e5 fd       	call   0xfffffffffde51e04
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 b5 d8 fd       	call   0xfffffffffdd8b5a4
  34:	65 8b 05 a9 77 0b 02 	mov    %gs:0x20b77a9(%rip),%eax        # 0x20b77e4
  3b:	85 c0                	test   %eax,%eax
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 b5 d8 fd       	call   0xfffffffffdd8b57a
   a:	65 8b 05 a9 77 0b 02 	mov    %gs:0x20b77a9(%rip),%eax        # 0x20b77ba
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
# 117.98 [+0.01] [ 1101.894410] [    C0] RSP: 0018:ffa0000005437a70 EFLAGS: 00000246
# 117.99 [+0.00] [ 1101.894413] [    C0] RAX: 0000000000000082 RBX: ffffffffacd7d5a0 RCX: ffffffffa9c85893
# 117.99 [+0.00] [ 1101.894415] [    C0] RDX: ff11000012e12280 RSI: ffffffffaa5993fd RDI: ffffffffaa05d0c0
# 117.99 [+0.00] [ 1101.894416] [    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
# 118.00 [+0.00] [ 1101.894416] [    C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffacd7d6a8
# 118.00 [+0.00] [ 1101.894417] [    C0] R13: 0000000000000001 R14: ffffffffacd7d6e0 R15: ff1100000aeb1c00
# 118.01 [+0.00] [ 1101.894421] [    C0]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
# 118.01 [+0.00] [ 1101.894427] [    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)
# 118.01 [+0.00] [ 1101.894433] [    C0]  process_output_block (drivers/tty/n_tty.c:561)
# 118.02 [+0.00] [ 1101.894438] [    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
# 118.02 [+0.00] [ 1101.894442] [    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
# 118.02 [+0.00] [ 1101.894444] [    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
# 118.03 [+0.00] [ 1101.894447] [    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 118.03 [+0.00] [ 1101.894450] [    C0]  ? lock_acquire (kernel/locking/lockdep.c:5833)
# 118.03 [+0.00] [ 1101.894453] [    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
# 118.03 [+0.00] [ 1101.894457] [    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 118.04 [+0.00] [ 1101.894459] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 118.04 [+0.00] [ 1101.894463] [    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
# 118.04 [+0.00] [ 1101.894465] [    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
# 118.05 [+0.00] [ 1101.894467] [    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
# 118.05 [+0.00] [ 1101.894471] [    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
# 118.05 [+0.00] [ 1101.894474] [    C0]  ? new_sync_read (fs/read_write.c:584)
# 118.05 [+0.00] [ 1101.894476] [    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
# 118.06 [+0.00] [ 1101.894479] [    C0]  ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 33))
# 118.06 [+0.00] [ 1101.894485] [    C0]  vfs_write (fs/read_write.c:686)
# 118.06 [+0.00] [ 1101.894487] [    C0]  ? vfs_read (fs/read_write.c:572)
# 118.06 [+0.00] [ 1101.894491] [    C0]  ksys_write (fs/read_write.c:739)
# 118.07 [+0.00] [ 1101.894494] [    C0]  ? __ia32_sys_read (fs/read_write.c:728)
# 118.07 [+0.00] [ 1101.894497] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 118.07 [+0.00] [ 1101.894501] [    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
# 118.07 [+0.00] [ 1101.894504] [    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
# 118.08 [+0.00] [ 1101.894505] [    C0] RIP: 0033:0x7f0ea9a3cc5e
# 118.08 [+0.00] [ 1101.894509] [    C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 14 bd 00 00       	call   0xbd1c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 13 ff ff ff       	call   0xffffffffffffff4c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
# 118.09 [+0.01] [ 1101.894510] [    C0] RSP: 002b:00007ffd9139a1f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
# 118.10 [+0.00] [ 1101.894511] [    C0] RAX: ffffffffffffffda RBX: 000055b3c2e002d0 RCX: 00007f0ea9a3cc5e
# 118.10 [+0.00] [ 1101.894512] [    C0] RDX: 0000000000000001 RSI: 000055b3c2e002d0 RDI: 0000000000000001
# 118.10 [+0.00] [ 1101.894513] [    C0] RBP: 00007ffd9139a200 R08: 0000000000000000 R09: 0000000000000000
# 118.11 [+0.00] [ 1101.894514] [    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
# 118.11 [+0.00] [ 1101.894514] [    C0] R13: 000055b3c2dc1010 R14: 0000000000000001 R15: 000055b3c2e002d0
| [ 1076.810662][ T4306] Mirror/redirect action on
| [ 1076.821558][ T4305] tc (4305) used greatest stack depth: 23864 bytes left
| [ 1080.366788][ T4500] tc (4500) used greatest stack depth: 23640 bytes left
| [ 1101.893967][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1101.894349][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1101.894351][    C0] Call Trace:
[ 1101.894353][    C0]  <IRQ>
[ 1101.894355][    C0]  dump_stack_lvl (lib/dump_stack.c:122)
[ 1101.894365][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[ 1101.894370][    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
[ 1101.894372][    C0]  ? trace_irq_handler_exit (./include/trace/events/irq.h:83 (discriminator 33))
[ 1101.894377][    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
[ 1101.894381][    C0]  handle_irq_event (kernel/irq/handle.c:245 kernel/irq/handle.c:257)
[ 1101.894384][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[ 1101.894388][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328)
[ 1101.894392][    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1061 (discriminator 6))
[ 1101.894395][    C0]  common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 49))
[ 1101.894400][    C0]  </IRQ>
[ 1101.894400][    C0]  <TASK>
[ 1101.894402][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[ 1101.894404][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[ 1101.894408][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 a1 d2 e4 fd 48 89 df e8 e9 1d e5 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 70 b5 d8 fd 65 8b 05 a9 77 0b 02 85 c0 74 12 5b
All code
========
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 a1 d2 e4 fd       	call   0xfffffffffde4d2b4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 e9 1d e5 fd       	call   0xfffffffffde51e04
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 1f                	jne    0x42
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 2f                	jne    0x59
  2a:*	bf 01 00 00 00       	mov    $0x1,%edi		<-- trapping instruction
  2f:	e8 70 b5 d8 fd       	call   0xfffffffffdd8b5a4
  34:	65 8b 05 a9 77 0b 02 	mov    %gs:0x20b77a9(%rip),%eax        # 0x20b77e4
  3b:	85 c0                	test   %eax,%eax
  3d:	74 12                	je     0x51
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	bf 01 00 00 00       	mov    $0x1,%edi
   5:	e8 70 b5 d8 fd       	call   0xfffffffffdd8b57a
   a:	65 8b 05 a9 77 0b 02 	mov    %gs:0x20b77a9(%rip),%eax        # 0x20b77ba
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[ 1101.894410][    C0] RSP: 0018:ffa0000005437a70 EFLAGS: 00000246
[ 1101.894413][    C0] RAX: 0000000000000082 RBX: ffffffffacd7d5a0 RCX: ffffffffa9c85893
[ 1101.894415][    C0] RDX: ff11000012e12280 RSI: ffffffffaa5993fd RDI: ffffffffaa05d0c0
[ 1101.894416][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
[ 1101.894416][    C0] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffffacd7d6a8
[ 1101.894417][    C0] R13: 0000000000000001 R14: ffffffffacd7d6e0 R15: ff1100000aeb1c00
[ 1101.894421][    C0]  ? _raw_spin_unlock_irqrestore (./arch/x86/include/asm/irqflags.h:26 ./arch/x86/include/asm/irqflags.h:109 ./arch/x86/include/asm/irqflags.h:151 ./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194)
[ 1101.894427][    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)
[ 1101.894433][    C0]  process_output_block (drivers/tty/n_tty.c:561)
[ 1101.894438][    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
[ 1101.894442][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
[ 1101.894444][    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
[ 1101.894447][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[ 1101.894450][    C0]  ? lock_acquire (kernel/locking/lockdep.c:5833)
[ 1101.894453][    C0]  ? iterate_tty_write (drivers/tty/tty_io.c:939 (discriminator 1) drivers/tty/tty_io.c:958 (discriminator 1))
[ 1101.894457][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[ 1101.894459][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[ 1101.894463][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
[ 1101.894465][    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
[ 1101.894467][    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
[ 1101.894471][    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
[ 1101.894474][    C0]  ? new_sync_read (fs/read_write.c:584)
[ 1101.894476][    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
[ 1101.894479][    C0]  ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 33))
[ 1101.894485][    C0]  vfs_write (fs/read_write.c:686)
[ 1101.894487][    C0]  ? vfs_read (fs/read_write.c:572)
[ 1101.894491][    C0]  ksys_write (fs/read_write.c:739)
[ 1101.894494][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[ 1101.894497][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[ 1101.894501][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[ 1101.894504][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)
[ 1101.894505][    C0] RIP: 0033:0x7f0ea9a3cc5e
[ 1101.894509][    C0] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 14 bd 00 00       	call   0xbd1c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 13 ff ff ff       	call   0xffffffffffffff4c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 13 ff ff ff       	call   0xffffffffffffff22
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[ 1101.894510][    C0] RSP: 002b:00007ffd9139a1f0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[ 1101.894511][    C0] RAX: ffffffffffffffda RBX: 000055b3c2e002d0 RCX: 00007f0ea9a3cc5e
[ 1101.894512][    C0] RDX: 0000000000000001 RSI: 000055b3c2e002d0 RDI: 0000000000000001
[ 1101.894513][    C0] RBP: 00007ffd9139a200 R08: 0000000000000000 R09: 0000000000000000
[ 1101.894514][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


Finger prints:
__report_bad_irq:handle_irq_event:handle_edge_irq:__common_interrupt:common_interrupt