======================================
| # 117.20 [+0.00] [  271.686938] [ T1422] Mirror/redirect action on
| # 117.21 [+0.00] [  275.060579] [ T1621] tc (1621) used greatest stack depth: 24008 bytes left
| # 117.21 [+0.00] [  278.951829] [ T1787] tc (1787) used greatest stack depth: 23920 bytes left
| # 117.21 [+0.00] [  292.101736] [    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
# 117.22 [+0.00] [  292.102143] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 117.23 [+0.00] [  292.102144] [    C0] Call Trace:
# 117.23 [+0.00] [  292.102146] [    C0]  <IRQ>
# 117.23 [+0.00] [  292.102148] [    C0]  dump_stack_lvl (lib/dump_stack.c:122)
# 117.23 [+0.00] [  292.102157] [    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
# 117.23 [+0.00] [  292.102162] [    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
# 117.24 [+0.00] [  292.102164] [    C0]  ? serial8250_get_port (drivers/tty/serial/8250/8250_core.c:70)
# 117.24 [+0.00] [  292.102168] [    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
# 117.24 [+0.00] [  292.102175] [    C0]  handle_irq_event (kernel/irq/handle.c:253 kernel/irq/handle.c:265)
# 117.24 [+0.00] [  292.102178] [    C0]  handle_edge_irq (kernel/irq/chip.c:857)
# 117.25 [+0.00] [  292.102183] [    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:329)
# 117.25 [+0.00] [  292.102186] [    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1065 (discriminator 6))
# 117.25 [+0.00] [  292.102189] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 117.26 [+0.00] [  292.102193] [    C0]  </IRQ>
# 117.26 [+0.00] [  292.102194] [    C0]  <TASK>
# 117.26 [+0.00] [  292.102195] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 117.26 [+0.00] [  292.102198] [    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 117.27 [+0.00] [  292.102202] [    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 72 e3 fd 48 89 df e8 c9 bd e3 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 4b d7 fd 65 8b 05 d9 b1 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 72 e3 fd       	call   0xfffffffffde37234
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 bd e3 fd       	call   0xfffffffffde3bde4
  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 4b d7 fd       	call   0xfffffffffdd74b64
  34:	65 8b 05 d9 b1 09 02 	mov    %gs:0x209b1d9(%rip),%eax        # 0x209b214
  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 4b d7 fd       	call   0xfffffffffdd74b3a
   a:	65 8b 05 d9 b1 09 02 	mov    %gs:0x209b1d9(%rip),%eax        # 0x209b1ea
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
# 117.28 [+0.01] [  292.102203] [    C0] RSP: 0018:ffa0000002627a70 EFLAGS: 00000246
# 117.28 [+0.00] [  292.102207] [    C0] RAX: 0000000000000082 RBX: ffffffff93173860 RCX: ffffffff90097e63
# 117.28 [+0.00] [  292.102209] [    C0] RDX: ff1100000ac3c540 RSI: ffffffff909a9c5f RDI: ffffffff90467200
# 117.29 [+0.00] [  292.102210] [    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
# 117.29 [+0.00] [  292.102211] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff93173968
# 117.30 [+0.00] [  292.102211] [    C0] R13: 0000000000000001 R14: ffffffff931739a0 R15: ff11000009613400
# 117.30 [+0.00] [  292.102215] [    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)
# 117.30 [+0.00] [  292.102219] [    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)
# 117.30 [+0.00] [  292.102224] [    C0]  process_output_block (drivers/tty/n_tty.c:561)
# 117.31 [+0.00] [  292.102229] [    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
# 117.31 [+0.00] [  292.102231] [    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)
# 117.31 [+0.00] [  292.102241] [    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
# 117.32 [+0.00] [  292.102243] [    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1126 (discriminator 1))
# 117.32 [+0.00] [  292.102246] [    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 117.32 [+0.00] [  292.102250] [    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
# 117.32 [+0.00] [  292.102253] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 117.33 [+0.00] [  292.102257] [    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 117.33 [+0.00] [  292.102260] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 117.33 [+0.00] [  292.102263] [    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
# 117.33 [+0.00] [  292.102265] [    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
# 117.34 [+0.00] [  292.102267] [    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
# 117.34 [+0.00] [  292.102270] [    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
# 117.34 [+0.00] [  292.102274] [    C0]  ? new_sync_read (fs/read_write.c:584)
# 117.34 [+0.00] [  292.102275] [    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
# 117.35 [+0.00] [  292.102279] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 117.35 [+0.00] [  292.102285] [    C0]  vfs_write (fs/read_write.c:686)
# 117.35 [+0.00] [  292.102287] [    C0]  ? vfs_read (fs/read_write.c:572)
# 117.35 [+0.00] [  292.102291] [    C0]  ksys_write (fs/read_write.c:739)
# 117.36 [+0.00] [  292.102294] [    C0]  ? __ia32_sys_read (fs/read_write.c:728)
# 117.36 [+0.00] [  292.102297] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 117.36 [+0.00] [  292.102300] [    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
# 117.36 [+0.00] [  292.102305] [    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
# 117.37 [+0.00] [  292.102307] [    C0] RIP: 0033:0x7f1154053c5e
# 117.37 [+0.00] [  292.102311] [    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
# 117.38 [+0.01] [  292.102312] [    C0] RSP: 002b:00007ffc652f1690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
# 117.38 [+0.00] [  292.102314] [    C0] RAX: ffffffffffffffda RBX: 0000560068874370 RCX: 00007f1154053c5e
# 117.39 [+0.00] [  292.102315] [    C0] RDX: 0000000000000001 RSI: 0000560068874370 RDI: 0000000000000001
# 117.39 [+0.00] [  292.102315] [    C0] RBP: 00007ffc652f16a0 R08: 0000000000000000 R09: 0000000000000000
# 117.40 [+0.00] [  292.102316] [    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
# 117.40 [+0.00] [  292.102317] [    C0] R13: 0000560068835010 R14: 0000000000000001 R15: 0000560068874370
| [  271.686938][ T1422] Mirror/redirect action on
| [  275.060579][ T1621] tc (1621) used greatest stack depth: 24008 bytes left
| [  278.951829][ T1787] tc (1787) used greatest stack depth: 23920 bytes left
| [  292.101736][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  292.102143][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  292.102144][    C0] Call Trace:
[  292.102146][    C0]  <IRQ>
[  292.102148][    C0]  dump_stack_lvl (lib/dump_stack.c:122)
[  292.102157][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[  292.102162][    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
[  292.102164][    C0]  ? serial8250_get_port (drivers/tty/serial/8250/8250_core.c:70)
[  292.102168][    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
[  292.102175][    C0]  handle_irq_event (kernel/irq/handle.c:253 kernel/irq/handle.c:265)
[  292.102178][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[  292.102183][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:329)
[  292.102186][    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1065 (discriminator 6))
[  292.102189][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  292.102193][    C0]  </IRQ>
[  292.102194][    C0]  <TASK>
[  292.102195][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  292.102198][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  292.102202][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 21 72 e3 fd 48 89 df e8 c9 bd e3 fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 4b d7 fd 65 8b 05 d9 b1 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 72 e3 fd       	call   0xfffffffffde37234
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 c9 bd e3 fd       	call   0xfffffffffde3bde4
  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 4b d7 fd       	call   0xfffffffffdd74b64
  34:	65 8b 05 d9 b1 09 02 	mov    %gs:0x209b1d9(%rip),%eax        # 0x209b214
  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 4b d7 fd       	call   0xfffffffffdd74b3a
   a:	65 8b 05 d9 b1 09 02 	mov    %gs:0x209b1d9(%rip),%eax        # 0x209b1ea
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  292.102203][    C0] RSP: 0018:ffa0000002627a70 EFLAGS: 00000246
[  292.102207][    C0] RAX: 0000000000000082 RBX: ffffffff93173860 RCX: ffffffff90097e63
[  292.102209][    C0] RDX: ff1100000ac3c540 RSI: ffffffff909a9c5f RDI: ffffffff90467200
[  292.102210][    C0] RBP: 0000000000000286 R08: 0000000000000000 R09: 0000000000000001
[  292.102211][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff93173968
[  292.102211][    C0] R13: 0000000000000001 R14: ffffffff931739a0 R15: ff11000009613400
[  292.102215][    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)
[  292.102219][    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)
[  292.102224][    C0]  process_output_block (drivers/tty/n_tty.c:561)
[  292.102229][    C0]  n_tty_write (drivers/tty/n_tty.c:2378)
[  292.102231][    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)
[  292.102241][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348)
[  292.102243][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1126 (discriminator 1))
[  292.102246][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[  292.102250][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  292.102253][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  292.102257][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[  292.102260][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  292.102263][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
[  292.102265][    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
[  292.102267][    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
[  292.102270][    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
[  292.102274][    C0]  ? new_sync_read (fs/read_write.c:584)
[  292.102275][    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
[  292.102279][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  292.102285][    C0]  vfs_write (fs/read_write.c:686)
[  292.102287][    C0]  ? vfs_read (fs/read_write.c:572)
[  292.102291][    C0]  ksys_write (fs/read_write.c:739)
[  292.102294][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[  292.102297][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  292.102300][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  292.102305][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[  292.102307][    C0] RIP: 0033:0x7f1154053c5e
[  292.102311][    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
[  292.102312][    C0] RSP: 002b:00007ffc652f1690 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  292.102314][    C0] RAX: ffffffffffffffda RBX: 0000560068874370 RCX: 00007f1154053c5e
[  292.102315][    C0] RDX: 0000000000000001 RSI: 0000560068874370 RDI: 0000000000000001
[  292.102315][    C0] RBP: 00007ffc652f16a0 R08: 0000000000000000 R09: 0000000000000000
[  292.102316][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


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