======================================
| # 126.40 [+0.00] [  420.725083] [ T2396] Mirror/redirect action on
| # 126.41 [+0.00] [  420.737813] [ T2395] tc (2395) used greatest stack depth: 24032 bytes left
| # 126.41 [+0.00] [  424.089643] [ T2618] tc (2618) used greatest stack depth: 24016 bytes left
| # 126.42 [+0.00] [  441.649861] [    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
# 126.42 [+0.01] [  441.650188] [    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 126.43 [+0.00] [  441.650190] [    C0] Call Trace:
# 126.43 [+0.00] [  441.650192] [    C0]  <IRQ>
# 126.43 [+0.00] [  441.650194] [    C0]  dump_stack_lvl (lib/dump_stack.c:122)
# 126.44 [+0.00] [  441.650203] [    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
# 126.44 [+0.00] [  441.650208] [    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
# 126.44 [+0.00] [  441.650210] [    C0]  ? serial8250_get_port (drivers/tty/serial/8250/8250_core.c:74)
# 126.44 [+0.00] [  441.650215] [    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
# 126.45 [+0.00] [  441.650221] [    C0]  handle_irq_event (kernel/irq/handle.c:253 kernel/irq/handle.c:265)
# 126.45 [+0.00] [  441.650224] [    C0]  handle_edge_irq (kernel/irq/chip.c:857)
# 126.45 [+0.00] [  441.650229] [    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:329)
# 126.46 [+0.00] [  441.650232] [    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1065 (discriminator 6))
# 126.46 [+0.00] [  441.650235] [    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
# 126.46 [+0.00] [  441.650239] [    C0]  </IRQ>
# 126.46 [+0.00] [  441.650240] [    C0]  <TASK>
# 126.47 [+0.00] [  441.650242] [    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
# 126.47 [+0.00] [  441.650244] [    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
# 126.47 [+0.00] [  441.650247] [    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 17 df fd 48 89 df e8 f9 68 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 bf d2 fd 65 8b 05 c9 d1 05 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 91 17 df fd       	call   0xfffffffffddf17a4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 f9 68 df fd       	call   0xfffffffffddf6914
  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 bf d2 fd       	call   0xfffffffffdd2bf64
  34:	65 8b 05 c9 d1 05 02 	mov    %gs:0x205d1c9(%rip),%eax        # 0x205d204
  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 bf d2 fd       	call   0xfffffffffdd2bf3a
   a:	65 8b 05 c9 d1 05 02 	mov    %gs:0x205d1c9(%rip),%eax        # 0x205d1da
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
# 126.48 [+0.01] [  441.650249] [    C0] RSP: 0018:ffa0000002177a70 EFLAGS: 00000246
# 126.49 [+0.00] [  441.650253] [    C0] RAX: 0000000000000082 RBX: ffffffffafb90520 RCX: ffffffffacaf1e73
# 126.49 [+0.00] [  441.650254] [    C0] RDX: ff1100000a38a2c0 RSI: ffffffffad3b53a1 RDI: fffffffface6ae80
# 126.50 [+0.00] [  441.650255] [    C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
# 126.50 [+0.00] [  441.650256] [    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffafb90628
# 126.51 [+0.00] [  441.650257] [    C0] R13: 0000000000000001 R14: ffffffffafb90660 R15: ff1100000a277000
# 126.51 [+0.00] [  441.650260] [    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)
# 126.51 [+0.00] [  441.650265] [    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)
# 126.52 [+0.00] [  441.650270] [    C0]  process_output_block (drivers/tty/n_tty.c:557)
# 126.52 [+0.00] [  441.650275] [    C0]  n_tty_write (drivers/tty/n_tty.c:2367)
# 126.52 [+0.00] [  441.650277] [    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)
# 126.53 [+0.00] [  441.650283] [    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2337)
# 126.53 [+0.00] [  441.650286] [    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1126 (discriminator 1))
# 126.53 [+0.00] [  441.650288] [    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
# 126.54 [+0.00] [  441.650297] [    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
# 126.54 [+0.00] [  441.650301] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 126.54 [+0.00] [  441.650308] [    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
# 126.55 [+0.00] [  441.650313] [    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
# 126.55 [+0.00] [  441.650318] [    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
# 126.55 [+0.00] [  441.650322] [    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
# 126.55 [+0.00] [  441.650325] [    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
# 126.56 [+0.00] [  441.650329] [    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
# 126.56 [+0.00] [  441.650332] [    C0]  ? new_sync_read (fs/read_write.c:584)
# 126.56 [+0.00] [  441.650334] [    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
# 126.57 [+0.00] [  441.650338] [    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
# 126.57 [+0.00] [  441.650344] [    C0]  vfs_write (fs/read_write.c:686)
# 126.57 [+0.00] [  441.650346] [    C0]  ? vfs_read (fs/read_write.c:572)
# 126.58 [+0.00] [  441.650350] [    C0]  ksys_write (fs/read_write.c:739)
# 126.58 [+0.00] [  441.650353] [    C0]  ? __ia32_sys_read (fs/read_write.c:728)
# 126.58 [+0.00] [  441.650357] [    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
# 126.58 [+0.00] [  441.650360] [    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
# 126.59 [+0.00] [  441.650364] [    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
# 126.59 [+0.00] [  441.650365] [    C0] RIP: 0033:0x7f99e7619c5e
# 126.59 [+0.00] [  441.650368] [    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
# 126.61 [+0.01] [  441.650370] [    C0] RSP: 002b:00007ffeb61fbbf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
# 126.61 [+0.01] [  441.650371] [    C0] RAX: ffffffffffffffda RBX: 000055dc47cc63c0 RCX: 00007f99e7619c5e
# 126.62 [+0.01] [  441.650372] [    C0] RDX: 0000000000000001 RSI: 000055dc47cc63c0 RDI: 0000000000000001
# 126.62 [+0.01] [  441.650373] [    C0] RBP: 00007ffeb61fbc00 R08: 0000000000000000 R09: 0000000000000000
# 126.63 [+0.01] [  441.650374] [    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
# 126.63 [+0.01] [  441.650375] [    C0] R13: 000055dc47c87010 R14: 0000000000000001 R15: 000055dc47cc63c0
| [  420.725083][ T2396] Mirror/redirect action on
| [  420.737813][ T2395] tc (2395) used greatest stack depth: 24032 bytes left
| [  424.089643][ T2618] tc (2618) used greatest stack depth: 24016 bytes left
| [  441.649861][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  441.650188][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  441.650190][    C0] Call Trace:
[  441.650192][    C0]  <IRQ>
[  441.650194][    C0]  dump_stack_lvl (lib/dump_stack.c:122)
[  441.650203][    C0]  __report_bad_irq (kernel/irq/spurious.c:170)
[  441.650208][    C0]  note_interrupt.cold (kernel/irq/spurious.c:372)
[  441.650210][    C0]  ? serial8250_get_port (drivers/tty/serial/8250/8250_core.c:74)
[  441.650215][    C0]  ? poll_spurious_irqs (kernel/irq/spurious.c:223)
[  441.650221][    C0]  handle_irq_event (kernel/irq/handle.c:253 kernel/irq/handle.c:265)
[  441.650224][    C0]  handle_edge_irq (kernel/irq/chip.c:857)
[  441.650229][    C0]  __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:329)
[  441.650232][    C0]  ? __sysvec_apic_timer_interrupt (./include/asm-generic/irq_regs.h:29 (discriminator 6) arch/x86/kernel/apic/apic.c:1065 (discriminator 6))
[  441.650235][    C0]  common_interrupt (arch/x86/kernel/irq.c:319 (discriminator 49))
[  441.650239][    C0]  </IRQ>
[  441.650240][    C0]  <TASK>
[  441.650242][    C0]  asm_common_interrupt (./arch/x86/include/asm/idtentry.h:688)
[  441.650244][    C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194)
[  441.650247][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 91 17 df fd 48 89 df e8 f9 68 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 30 bf d2 fd 65 8b 05 c9 d1 05 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 91 17 df fd       	call   0xfffffffffddf17a4
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 f9 68 df fd       	call   0xfffffffffddf6914
  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 bf d2 fd       	call   0xfffffffffdd2bf64
  34:	65 8b 05 c9 d1 05 02 	mov    %gs:0x205d1c9(%rip),%eax        # 0x205d204
  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 bf d2 fd       	call   0xfffffffffdd2bf3a
   a:	65 8b 05 c9 d1 05 02 	mov    %gs:0x205d1c9(%rip),%eax        # 0x205d1da
  11:	85 c0                	test   %eax,%eax
  13:	74 12                	je     0x27
  15:	5b                   	pop    %rbx
[  441.650249][    C0] RSP: 0018:ffa0000002177a70 EFLAGS: 00000246
[  441.650253][    C0] RAX: 0000000000000082 RBX: ffffffffafb90520 RCX: ffffffffacaf1e73
[  441.650254][    C0] RDX: ff1100000a38a2c0 RSI: ffffffffad3b53a1 RDI: fffffffface6ae80
[  441.650255][    C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[  441.650256][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffafb90628
[  441.650257][    C0] R13: 0000000000000001 R14: ffffffffafb90660 R15: ff1100000a277000
[  441.650260][    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)
[  441.650265][    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)
[  441.650270][    C0]  process_output_block (drivers/tty/n_tty.c:557)
[  441.650275][    C0]  n_tty_write (drivers/tty/n_tty.c:2367)
[  441.650277][    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)
[  441.650283][    C0]  ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2337)
[  441.650286][    C0]  ? _mutex_trylock_nest_lock (kernel/locking/mutex.c:1126 (discriminator 1))
[  441.650288][    C0]  ? __init_waitqueue_head (kernel/sched/wait.c:458)
[  441.650297][    C0]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:470 kernel/locking/lockdep.c:5870)
[  441.650301][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  441.650308][    C0]  iterate_tty_write (drivers/tty/tty_io.c:1007)
[  441.650313][    C0]  ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244)
[  441.650318][    C0]  file_tty_write.isra.0 (drivers/tty/tty_io.c:1081)
[  441.650322][    C0]  ? redirected_tty_write (drivers/tty/tty_io.c:1101)
[  441.650325][    C0]  new_sync_write (fs/read_write.c:594 (discriminator 1))
[  441.650329][    C0]  ? new_sync_read (fs/read_write.c:492 (discriminator 1))
[  441.650332][    C0]  ? new_sync_read (fs/read_write.c:584)
[  441.650334][    C0]  ? generic_atomic_write_valid (fs/read_write.c:482)
[  441.650338][    C0]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5536)
[  441.650344][    C0]  vfs_write (fs/read_write.c:686)
[  441.650346][    C0]  ? vfs_read (fs/read_write.c:572)
[  441.650350][    C0]  ksys_write (fs/read_write.c:739)
[  441.650353][    C0]  ? __ia32_sys_read (fs/read_write.c:728)
[  441.650357][    C0]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 1) kernel/rcu/tree.c:751 (discriminator 1))
[  441.650360][    C0]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 (discriminator 1) arch/x86/entry/syscall_64.c:94 (discriminator 1))
[  441.650364][    C0]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:131)
[  441.650365][    C0] RIP: 0033:0x7f99e7619c5e
[  441.650368][    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
[  441.650370][    C0] RSP: 002b:00007ffeb61fbbf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  441.650371][    C0] RAX: ffffffffffffffda RBX: 000055dc47cc63c0 RCX: 00007f99e7619c5e
[  441.650372][    C0] RDX: 0000000000000001 RSI: 000055dc47cc63c0 RDI: 0000000000000001
[  441.650373][    C0] RBP: 00007ffeb61fbc00 R08: 0000000000000000 R09: 0000000000000000
[  441.650374][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001


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