======================================
| # 78.19 [+0.00] [   43.985221] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1552518527 wd_nsec: 1552518497
| # 78.20 [+0.00] [ 1762.289782] GACT probability NOT on
| # 78.20 [+0.00] [ 1766.846828] Mirror/redirect action on
| # 78.20 [+0.00] [ 1786.237869] irq 51: nobody cared (try booting with the "irqpoll" option)
# 78.20 [+0.00] [ 1786.238439] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 78.20 [+0.00] [ 1786.238442] Call Trace:
# 78.20 [+0.00] [ 1786.238444]  <IRQ>
# 78.20 [+0.00] [ 1786.238447] dump_stack_lvl (lib/dump_stack.c:123) 
# 78.20 [+0.00] [ 1786.238457] __report_bad_irq (kernel/irq/spurious.c:170) 
# 78.21 [+0.00] [ 1786.238465] note_interrupt (kernel/irq/spurious.c:372) 
# 78.21 [+0.00] [ 1786.238472] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 78.21 [+0.00] [ 1786.238478] handle_edge_irq (kernel/irq/chip.c:857) 
# 78.21 [+0.00] [ 1786.238488] __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) 
# 78.21 [+0.00] [ 1786.238495] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14)) 
# 78.21 [+0.00] [ 1786.238500]  </IRQ>
# 78.21 [+0.00] [ 1786.238501]  <TASK>
# 78.21 [+0.00] [ 1786.238505] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 78.21 [+0.00] [ 1786.238509] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 78.21 [+0.00] [ 1786.238516] Code: 74 24 10 e8 01 90 02 fe 48 89 ef e8 29 df 02 fe 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> 8a 12 f7 fd 65 8b 05 e3 8f 0a 02 85 c0 74 0a 5b 5d c3 e8 87 92
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	01 90 02 fe 48 89    	add    %edx,-0x76b701fe(%rax)
   a:	ef                   	out    %eax,(%dx)
   b:	e8 29 df 02 fe       	call   0xfffffffffe02df39
  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 8a 12 f7 fd       	call   0xfffffffffdf712b9		<-- trapping instruction
  2f:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a9019
  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                   	.byte 0x87
  3f:	92                   	xchg   %eax,%edx

Code starting with the faulting instruction
===========================================
   0:	e8 8a 12 f7 fd       	call   0xfffffffffdf7128f
   5:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a8fef
   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                   	.byte 0x87
  15:	92                   	xchg   %eax,%edx
# 78.22 [+0.00] [ 1786.238519] RSP: 0018:ffffc9000b207a98 EFLAGS: 00000206
# 78.22 [+0.00] [ 1786.238523] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 78.22 [+0.00] [ 1786.238525] RDX: 0000000000000000 RSI: ffffffffa8fc6d6b RDI: 0000000000000001
# 78.22 [+0.00] [ 1786.238527] RBP: ffffffffab84d3c0 R08: 0000000000000001 R09: 0000000000000001
# 78.23 [+0.00] [ 1786.238528] R10: ffffffffa9e14417 R11: ffff888005e30970 R12: 00000000ffffffff
# 78.23 [+0.00] [ 1786.238530] R13: 0000000000000001 R14: ffffffffab84d4c8 R15: 00000000ffffffff
# 78.23 [+0.00] [ 1786.238546] 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:637) 
# 78.23 [+0.00] [ 1786.238556] process_output_block (drivers/tty/n_tty.c:561) 
# 78.23 [+0.00] [ 1786.238562] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 78.23 [+0.00] [ 1786.238570] n_tty_write (drivers/tty/n_tty.c:2378) 
# 78.23 [+0.00] [ 1786.238573] ? _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) 
# 78.23 [+0.00] [ 1786.238584] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348) 
# 78.24 [+0.00] [ 1786.238589] ? __init_waitqueue_head (kernel/sched/wait.c:458) 
# 78.24 [+0.00] [ 1786.238596] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
# 78.24 [+0.00] [ 1786.238599] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 78.24 [+0.00] [ 1786.238610] iterate_tty_write (drivers/tty/tty_io.c:1007) 
# 78.24 [+0.00] [ 1786.238617] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 78.24 [+0.00] [ 1786.238624] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 78.24 [+0.00] [ 1786.238632] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
# 78.24 [+0.00] [ 1786.238638] ? find_held_lock (kernel/locking/lockdep.c:5350) 
# 78.24 [+0.00] [ 1786.238643] ? kernel_write (fs/read_write.c:667) 
# 78.25 [+0.00] [ 1786.238651] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 78.25 [+0.00] [ 1786.238662] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
# 78.25 [+0.00] [ 1786.238671] ksys_write (fs/read_write.c:738) 
# 78.25 [+0.00] [ 1786.238675] ? __ia32_sys_read (fs/read_write.c:728) 
# 78.25 [+0.00] [ 1786.238689] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 78.25 [+0.00] [ 1786.238694] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 78.25 [+0.00] [ 1786.238697] RIP: 0033:0x7f7bf84bb337
# 78.25 [+0.00] [ 1786.238701] 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
# 78.26 [+0.00] [ 1786.238703] RSP: 002b:00007fffb24645e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 78.26 [+0.00] [ 1786.238706] RAX: ffffffffffffffda RBX: 0000564b9fbf92e0 RCX: 00007f7bf84bb337
# 78.26 [+0.00] [ 1786.238708] RDX: 0000000000000001 RSI: 0000564b9fbf92e0 RDI: 0000000000000001
# 78.26 [+0.00] [ 1786.238709] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 78.27 [+0.00] [ 1786.238711] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564b9fbe4600
# 78.27 [+0.00] [ 1786.238712] R13: 0000564b9fbc52a0 R14: 0000000000000001 R15: 0000564b9fbe4600
| 0
| xx__-> [ 1762.289782][T17411] GACT probability NOT on
| [ 1766.846828][T17487] Mirror/redirect action on
| [ 1786.237869][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1786.238439][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1786.238442][    C0] Call Trace:
[ 1786.238444][    C0]  <IRQ>
[ 1786.238447][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1786.238457][ C0] __report_bad_irq (kernel/irq/spurious.c:170) 
[ 1786.238465][ C0] note_interrupt (kernel/irq/spurious.c:372) 
[ 1786.238472][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1786.238478][ C0] handle_edge_irq (kernel/irq/chip.c:857) 
[ 1786.238488][ C0] __common_interrupt (./include/asm-generic/irq_regs.h:28 arch/x86/kernel/irq.c:328) 
[ 1786.238495][ C0] common_interrupt (arch/x86/kernel/irq.c:318 (discriminator 14)) 
[ 1786.238500][    C0]  </IRQ>
[ 1786.238501][    C0]  <TASK>
[ 1786.238505][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1786.238509][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1786.238516][ C0] Code: 74 24 10 e8 01 90 02 fe 48 89 ef e8 29 df 02 fe 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> 8a 12 f7 fd 65 8b 05 e3 8f 0a 02 85 c0 74 0a 5b 5d c3 e8 87 92
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	01 90 02 fe 48 89    	add    %edx,-0x76b701fe(%rax)
   a:	ef                   	out    %eax,(%dx)
   b:	e8 29 df 02 fe       	call   0xfffffffffe02df39
  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 8a 12 f7 fd       	call   0xfffffffffdf712b9		<-- trapping instruction
  2f:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a9019
  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                   	.byte 0x87
  3f:	92                   	xchg   %eax,%edx

Code starting with the faulting instruction
===========================================
   0:	e8 8a 12 f7 fd       	call   0xfffffffffdf7128f
   5:	65 8b 05 e3 8f 0a 02 	mov    %gs:0x20a8fe3(%rip),%eax        # 0x20a8fef
   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                   	.byte 0x87
  15:	92                   	xchg   %eax,%edx
[ 1786.238519][    C0] RSP: 0018:ffffc9000b207a98 EFLAGS: 00000206
[ 1786.238523][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1786.238525][    C0] RDX: 0000000000000000 RSI: ffffffffa8fc6d6b RDI: 0000000000000001
[ 1786.238527][    C0] RBP: ffffffffab84d3c0 R08: 0000000000000001 R09: 0000000000000001
[ 1786.238528][    C0] R10: ffffffffa9e14417 R11: ffff888005e30970 R12: 00000000ffffffff
[ 1786.238530][    C0] R13: 0000000000000001 R14: ffffffffab84d4c8 R15: 00000000ffffffff
[ 1786.238546][ 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:637) 
[ 1786.238556][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1786.238562][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1786.238570][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1786.238573][ 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) 
[ 1786.238584][ C0] ? n_tty_receive_signal_char (drivers/tty/n_tty.c:2348) 
[ 1786.238589][ C0] ? __init_waitqueue_head (kernel/sched/wait.c:458) 
[ 1786.238596][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 1786.238599][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1786.238610][ C0] iterate_tty_write (drivers/tty/tty_io.c:1007) 
[ 1786.238617][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1786.238624][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1786.238632][ C0] vfs_write (fs/read_write.c:594 fs/read_write.c:686) 
[ 1786.238638][ C0] ? find_held_lock (kernel/locking/lockdep.c:5350) 
[ 1786.238643][ C0] ? kernel_write (fs/read_write.c:667) 
[ 1786.238651][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 1786.238662][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:751) 
[ 1786.238671][ C0] ksys_write (fs/read_write.c:738) 
[ 1786.238675][ C0] ? __ia32_sys_read (fs/read_write.c:728) 
[ 1786.238689][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1786.238694][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1786.238697][    C0] RIP: 0033:0x7f7bf84bb337
[ 1786.238701][ 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
[ 1786.238703][    C0] RSP: 002b:00007fffb24645e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1786.238706][    C0] RAX: ffffffffffffffda RBX: 0000564b9fbf92e0 RCX: 00007f7bf84bb337
[ 1786.238708][    C0] RDX: 0000000000000001 RSI: 0000564b9fbf92e0 RDI: 0000000000000001
[ 1786.238709][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1786.238711][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564b9fbe4600


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