======================================
| # 113.43 [+0.00] [  597.510479] [T17675] Mirror/redirect action on
| # 113.43 [+0.00] [  597.525924] [T17674] tc (17674) used greatest stack depth: 23792 bytes left
| # 113.44 [+0.00] [  600.860714] [T17895] tc (17895) used greatest stack depth: 23440 bytes left
| # 113.44 [+0.00] [  617.610314] [    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
# 113.45 [+0.00] [  617.610643] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 113.45 [+0.00] [  617.610645] [    C0] Call Trace:
# 113.46 [+0.00] [  617.610646] [    C0]  <IRQ>
# 113.46 [+0.00] [  617.610648] [    C0]  dump_stack_lvl (lib/dump_stack.c:122)
# 113.46 [+0.00] [  617.610656] [    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
# 113.46 [+0.00] [  617.610661] [    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
# 113.47 [+0.00] [  617.610663] [    C0]  ? serial8250_get_port (drivers/tty/serial/8250/8250_core.c:70)
# 113.47 [+0.00] [  617.610667] [    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
# 113.47 [+0.00] [  617.610674] [    C0]  handle_irq_event (kernel/irq/handle.c:253 kernel/irq/handle.c:265)
# 113.47 [+0.00] [  617.610677] [    C0]  handle_edge_irq (kernel/irq/chip.c:857)
# 113.48 [+0.00] [  617.610681] [    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:329)
# 113.48 [+0.00] [  617.610685] [    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1065 (discriminator 6))
# 113.48 [+0.00] [  617.610688] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 113.48 [+0.00] [  617.610692] [    C0]  </IRQ>
# 113.49 [+0.00] [  617.610693] [    C0]  <TASK>
# 113.49 [+0.00] [  617.610694] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 113.49 [+0.00] [  617.610696] [    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 113.49 [+0.00] [  617.610700] [    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 82 e3 fd 48 89 df e8 c9 cd e3 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 5b d7 fd 65 8b 05 d9 c1 09 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 21 82 e3 fd       	call   0xfffffffffde38234
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 cd e3 fd       	call   0xfffffffffde3cde4
  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 30 5b d7 fd       	call   0xfffffffffdd75b64
  34:	65 8b 05 d9 c1 09 02 	mov    %gs:0x209c1d9(%rip),%eax        # 0x209c214
  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 30 5b d7 fd       	call   0xfffffffffdd75b3a
   a:	65 8b 05 d9 c1 09 02 	mov    %gs:0x209c1d9(%rip),%eax        # 0x209c1ea
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
# 113.50 [+0.01] [  617.610702] [    C0] RSP: 0018:ffa000000475fa70 EFLAGS: 00000246
# 113.51 [+0.00] [  617.610705] [    C0] RAX: 0000000000000082 RBX: ffffffffadd73860 RCX: ffffffffaac96e63
# 113.51 [+0.00] [  617.610706] [    C0] RDX: ff11000017270040 RSI: ffffffffab5a9aaa RDI: ffffffffab067200
# 113.52 [+0.00] [  617.610707] [    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
# 113.52 [+0.00] [  617.610708] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffadd73968
# 113.52 [+0.00] [  617.610709] [    C0] R13: 0000000000000001 R14: ffffffffadd739a0 R15: ff1100000249f000
# 113.53 [+0.00] [  617.610712] [    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)
# 113.53 [+0.00] [  617.610716] [    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)
# 113.53 [+0.00] [  617.610721] [    C0]  process_output_block (drivers/tty/n_tty.c:561)
# 113.54 [+0.00] [  617.610726] [    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
# 113.54 [+0.00] [  617.610728] [    C0]  ? _copy_from_iter (./arch/x86/include/asm/smap.h:47 ./arch/x86/include/asm/uaccess_64.h:121 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:67 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
# 113.54 [+0.00] [  617.610734] [    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
# 113.54 [+0.00] [  617.610736] [    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1126 (discriminator 1))
# 113.55 [+0.00] [  617.610738] [    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 113.55 [+0.00] [  617.610742] [    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
# 113.55 [+0.00] [  617.610745] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 113.56 [+0.00] [  617.610749] [    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 113.56 [+0.00] [  617.610752] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 113.56 [+0.00] [  617.610756] [    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
# 113.56 [+0.00] [  617.610758] [    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
# 113.57 [+0.00] [  617.610760] [    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
# 113.57 [+0.00] [  617.610763] [    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
# 113.57 [+0.00] [  617.610766] [    C0]  ? new_sync_read (fs/read_write.c:584)
# 113.57 [+0.00] [  617.610768] [    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
# 113.58 [+0.00] [  617.610772] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 113.58 [+0.00] [  617.610777] [    C0]  vfs_write (fs/read_write.c:686)
# 113.58 [+0.00] [  617.610779] [    C0]  ? vfs_read (fs/read_write.c:572)
# 113.58 [+0.00] [  617.610783] [    C0]  ksys_write (fs/read_write.c:739)
# 113.59 [+0.00] [  617.610785] [    C0]  ? __ia32_sys_read (fs/read_write.c:728)
# 113.59 [+0.00] [  617.610789] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 113.59 [+0.00] [  617.610792] [    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
# 113.59 [+0.00] [  617.610797] [    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
# 113.60 [+0.00] [  617.610798] [    C0] RIP: 0033:0x7f2bc457ac5e
# 113.60 [+0.00] [  617.610802] [    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
# 113.61 [+0.01] [  617.610803] [    C0] RSP: 002b:00007fffceeb4e20 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
# 113.61 [+0.00] [  617.610805] [    C0] RAX: ffffffffffffffda RBX: 00005572925cc360 RCX: 00007f2bc457ac5e
# 113.62 [+0.00] [  617.610806] [    C0] RDX: 0000000000000001 RSI: 00005572925cc360 RDI: 0000000000000001
# 113.62 [+0.00] [  617.610806] [    C0] RBP: 00007fffceeb4e30 R08: 0000000000000000 R09: 0000000000000000
# 113.63 [+0.00] [  617.610807] [    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
# 113.63 [+0.00] [  617.610807] [    C0] R13: 000055729258d010 R14: 0000000000000001 R15: 00005572925cc360
| xx__-> [  597.510479][T17675] Mirror/redirect action on
| [  597.525924][T17674] tc (17674) used greatest stack depth: 23792 bytes left
| [  600.860714][T17895] tc (17895) used greatest stack depth: 23440 bytes left
| [  617.610314][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  617.610643][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  617.610645][    C0] Call Trace:
[  617.610646][    C0]  <IRQ>
[  617.610648][    C0]  dump_stack_lvl (lib/dump_stack.c:122)
[  617.610656][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[  617.610661][    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
[  617.610663][    C0]  ? serial8250_get_port (drivers/tty/serial/8250/8250_core.c:70)
[  617.610667][    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
[  617.610674][    C0]  handle_irq_event (kernel/irq/handle.c:253 kernel/irq/handle.c:265)
[  617.610677][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[  617.610681][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:329)
[  617.610685][    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1065 (discriminator 6))
[  617.610688][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  617.610692][    C0]  </IRQ>
[  617.610693][    C0]  <TASK>
[  617.610694][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  617.610696][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  617.610700][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 82 e3 fd 48 89 df e8 c9 cd e3 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 5b d7 fd 65 8b 05 d9 c1 09 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 21 82 e3 fd       	call   0xfffffffffde38234
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 cd e3 fd       	call   0xfffffffffde3cde4
  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 30 5b d7 fd       	call   0xfffffffffdd75b64
  34:	65 8b 05 d9 c1 09 02 	mov    %gs:0x209c1d9(%rip),%eax        # 0x209c214
  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 30 5b d7 fd       	call   0xfffffffffdd75b3a
   a:	65 8b 05 d9 c1 09 02 	mov    %gs:0x209c1d9(%rip),%eax        # 0x209c1ea
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  617.610702][    C0] RSP: 0018:ffa000000475fa70 EFLAGS: 00000246
[  617.610705][    C0] RAX: 0000000000000082 RBX: ffffffffadd73860 RCX: ffffffffaac96e63
[  617.610706][    C0] RDX: ff11000017270040 RSI: ffffffffab5a9aaa RDI: ffffffffab067200
[  617.610707][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
[  617.610708][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffadd73968
[  617.610709][    C0] R13: 0000000000000001 R14: ffffffffadd739a0 R15: ff1100000249f000
[  617.610712][    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)
[  617.610716][    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)
[  617.610721][    C0]  process_output_block (drivers/tty/n_tty.c:561)
[  617.610726][    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
[  617.610728][    C0]  ? _copy_from_iter (./arch/x86/include/asm/smap.h:47 ./arch/x86/include/asm/uaccess_64.h:121 ./arch/x86/include/asm/uaccess_64.h:141 lib/iov_iter.c:67 ./include/linux/iov_iter.h:30 ./include/linux/iov_iter.h:302 ./include/linux/iov_iter.h:330 lib/iov_iter.c:261 lib/iov_iter.c:272)
[  617.610734][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
[  617.610736][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1126 (discriminator 1))
[  617.610738][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[  617.610742][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  617.610745][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  617.610749][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[  617.610752][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  617.610756][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
[  617.610758][    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
[  617.610760][    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
[  617.610763][    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
[  617.610766][    C0]  ? new_sync_read (fs/read_write.c:584)
[  617.610768][    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
[  617.610772][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  617.610777][    C0]  vfs_write (fs/read_write.c:686)
[  617.610779][    C0]  ? vfs_read (fs/read_write.c:572)
[  617.610783][    C0]  ksys_write (fs/read_write.c:739)
[  617.610785][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[  617.610789][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  617.610792][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  617.610797][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[  617.610798][    C0] RIP: 0033:0x7f2bc457ac5e
[  617.610802][    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
[  617.610803][    C0] RSP: 002b:00007fffceeb4e20 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  617.610805][    C0] RAX: ffffffffffffffda RBX: 00005572925cc360 RCX: 00007f2bc457ac5e
[  617.610806][    C0] RDX: 0000000000000001 RSI: 00005572925cc360 RDI: 0000000000000001
[  617.610806][    C0] RBP: 00007fffceeb4e30 R08: 0000000000000000 R09: 0000000000000000
[  617.610807][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


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