======================================
| # 89.91 [+0.00] [  629.989810] gre: GRE over IPv4 demultiplexor driver
| # 89.91 [+0.00] [  630.047008] ip6_gre: GRE over IPv6 tunneling driver
| # 89.91 [+0.00] [  951.308856] Mirror/redirect action on
| # 89.91 [+0.00] [  970.160155] irq 51: nobody cared (try booting with the "irqpoll" option)
# 89.91 [+0.00] [  970.160972] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 89.92 [+0.00] [  970.161211] Call Trace:
# 89.92 [+0.00] [  970.161369]  <IRQ>
# 89.92 [+0.00] [  970.161468] dump_stack_lvl (lib/dump_stack.c:123) 
# 89.92 [+0.00] [  970.161665] __report_bad_irq (kernel/irq/spurious.c:214) 
# 89.92 [+0.00] [  970.161857] note_interrupt (kernel/irq/spurious.c:423) 
# 89.92 [+0.00] [  970.162043] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 89.92 [+0.00] [  970.162226] handle_edge_irq (kernel/irq/chip.c:833) 
# 89.92 [+0.00] [  970.162479] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
# 89.92 [+0.00] [  970.162673] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
# 89.92 [+0.00] [  970.162861]  </IRQ>
# 89.92 [+0.00] [  970.162963]  <TASK>
# 89.93 [+0.00] [  970.163059] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 89.93 [+0.00] [  970.163249] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 89.93 [+0.00] [ 970.163519] Code: 10 e8 11 8a 83 fd 48 89 ef e8 c9 fe 83 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d e5 83 96 4e <74> 0e 5b 5d c3 cc cc cc cc e8 ff e6 a8 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	11 8a 83 fd 48 89    	adc    %ecx,-0x76b7027d(%rdx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 c9 fe 83 fd       	call   0xfffffffffd83fed7
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d e5 83 96 4e 	decl   %gs:0x4e9683e5(%rip)        # 0x4e96840f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 ff e6 a8 fd       	call   0xfffffffffda8e737
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 ff e6 a8 fd       	call   0xfffffffffda8e70d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
# 89.93 [+0.00] [  970.164152] RSP: 0018:ffffc900049f7aa0 EFLAGS: 00000286
# 89.93 [+0.00] [  970.164515] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff69440a8
# 89.94 [+0.00] [  970.164789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb16d4371
# 89.94 [+0.00] [  970.165068] RBP: ffffffffb52e78a0 R08: 0000000000000001 R09: fffffbfff693f7df
# 89.94 [+0.00] [  970.165359] R10: ffffffffb49fbeff R11: ffff888004fea300 R12: 00000000ffffffff
# 89.94 [+0.00] [  970.165629] R13: 0000000000000001 R14: ffffffffb52e79a8 R15: 00000000ffffffff
# 89.94 [+0.00] [  970.165906] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 89.94 [+0.00] [  970.166152] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
# 89.95 [+0.00] [  970.166306] process_output_block (drivers/tty/n_tty.c:574) 
# 89.95 [+0.00] [  970.166502] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
# 89.95 [+0.00] [  970.166745] n_tty_write (drivers/tty/n_tty.c:2390) 
# 89.96 [+0.01] [  970.166941] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
# 89.96 [+0.00] [  970.167121] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
# 89.96 [+0.00] [  970.167299] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
# 89.96 [+0.00] [  970.167527] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 89.96 [+0.00] [  970.167749] ? lock_acquire (kernel/locking/lockdep.c:5822) 
# 89.96 [+0.00] [  970.167980] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
# 89.96 [+0.00] [  970.168216] iterate_tty_write (drivers/tty/tty_io.c:1015) 
# 89.96 [+0.00] [  970.168431] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 89.97 [+0.00] [  970.168627] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
# 89.97 [+0.00] [  970.168826] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
# 89.97 [+0.00] [  970.168966] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) 
# 89.97 [+0.00] [  970.169147] ? __pfx_vfs_write (fs/read_write.c:660) 
# 89.97 [+0.00] [  970.169339] ? clockevents_program_event (kernel/time/clockevents.c:326) 
# 89.97 [+0.00] [  970.169611] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
# 89.97 [+0.00] [  970.169978] ksys_write (fs/read_write.c:731) 
# 89.97 [+0.00] [  970.170201] ? __pfx_ksys_write (fs/read_write.c:721) 
# 89.97 [+0.00] [  970.170499] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
# 89.98 [+0.00] [  970.170790] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 89.98 [+0.00] [  970.171147] RIP: 0033:0x7f8f3c932957
# 89.98 [+0.00] [ 970.171454] Code: 0b 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:	0b 00                	or     (%rax),%eax
   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
# 89.98 [+0.00] [  970.172453] RSP: 002b:00007ffd68a17188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 89.98 [+0.00] [  970.172901] RAX: ffffffffffffffda RBX: 0000564bdb1e13f0 RCX: 00007f8f3c932957
# 89.99 [+0.00] [  970.173325] RDX: 0000000000000001 RSI: 0000564bdb1e13f0 RDI: 0000000000000001
# 89.99 [+0.00] [  970.173753] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 89.99 [+0.00] [  970.174186] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564bdb1cc5e0
# 89.99 [+0.00] [  970.174609] R13: 0000564bdb1ad2a0 R14: 0000000000000001 R15: 0000564bdb1cc5e0
| xx__-> echo $?
| 0
| xx__-> [  951.308856][ T6293] Mirror/redirect action on
| [  970.160155][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  970.160972][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  970.161211][    C0] Call Trace:
[  970.161369][    C0]  <IRQ>
[ 970.161468][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 970.161665][ C0] __report_bad_irq (kernel/irq/spurious.c:214) 
[ 970.161857][ C0] note_interrupt (kernel/irq/spurious.c:423) 
[ 970.162043][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 970.162226][ C0] handle_edge_irq (kernel/irq/chip.c:833) 
[ 970.162479][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:247 arch/x86/kernel/irq.c:259 arch/x86/kernel/irq.c:285) 
[ 970.162673][ C0] common_interrupt (arch/x86/kernel/irq.c:278 (discriminator 14)) 
[  970.162861][    C0]  </IRQ>
[  970.162963][    C0]  <TASK>
[ 970.163059][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 970.163249][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 970.163519][ C0] Code: 10 e8 11 8a 83 fd 48 89 ef e8 c9 fe 83 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d e5 83 96 4e <74> 0e 5b 5d c3 cc cc cc cc e8 ff e6 a8 fd eb dc 0f 1f 44 00 00 5b
All code
========
   0:	10 e8                	adc    %ch,%al
   2:	11 8a 83 fd 48 89    	adc    %ecx,-0x76b7027d(%rdx)
   8:	ef                   	out    %eax,(%dx)
   9:	e8 c9 fe 83 fd       	call   0xfffffffffd83fed7
   e:	81 e3 00 02 00 00    	and    $0x200,%ebx
  14:	75 1d                	jne    0x33
  16:	9c                   	pushf
  17:	58                   	pop    %rax
  18:	f6 c4 02             	test   $0x2,%ah
  1b:	75 29                	jne    0x46
  1d:	48 85 db             	test   %rbx,%rbx
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d e5 83 96 4e 	decl   %gs:0x4e9683e5(%rip)        # 0x4e96840f
  2a:*	74 0e                	je     0x3a		<-- trapping instruction
  2c:	5b                   	pop    %rbx
  2d:	5d                   	pop    %rbp
  2e:	c3                   	ret
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	cc                   	int3
  32:	cc                   	int3
  33:	e8 ff e6 a8 fd       	call   0xfffffffffda8e737
  38:	eb dc                	jmp    0x16
  3a:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  3f:	5b                   	pop    %rbx

Code starting with the faulting instruction
===========================================
   0:	74 0e                	je     0x10
   2:	5b                   	pop    %rbx
   3:	5d                   	pop    %rbp
   4:	c3                   	ret
   5:	cc                   	int3
   6:	cc                   	int3
   7:	cc                   	int3
   8:	cc                   	int3
   9:	e8 ff e6 a8 fd       	call   0xfffffffffda8e70d
   e:	eb dc                	jmp    0xffffffffffffffec
  10:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  15:	5b                   	pop    %rbx
[  970.164152][    C0] RSP: 0018:ffffc900049f7aa0 EFLAGS: 00000286
[  970.164515][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff69440a8
[  970.164789][    C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffb16d4371
[  970.165068][    C0] RBP: ffffffffb52e78a0 R08: 0000000000000001 R09: fffffbfff693f7df
[  970.165359][    C0] R10: ffffffffb49fbeff R11: ffff888004fea300 R12: 00000000ffffffff
[  970.165629][    C0] R13: 0000000000000001 R14: ffffffffb52e79a8 R15: 00000000ffffffff
[ 970.165906][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 970.166152][ C0] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:636) 
[ 970.166306][ C0] process_output_block (drivers/tty/n_tty.c:574) 
[ 970.166502][ C0] ? lockdep_hardirqs_on_prepare (kernel/locking/lockdep.c:4347 kernel/locking/lockdep.c:4406) 
[ 970.166745][ C0] n_tty_write (drivers/tty/n_tty.c:2390) 
[ 970.166941][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2360) 
[ 970.167121][ C0] ? trace_lock_acquire (./include/trace/events/lock.h:24 (discriminator 52)) 
[ 970.167299][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[ 970.167527][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 970.167749][ C0] ? lock_acquire (kernel/locking/lockdep.c:5822) 
[ 970.167980][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:948 drivers/tty/tty_io.c:967) 
[ 970.168216][ C0] iterate_tty_write (drivers/tty/tty_io.c:1015) 
[ 970.168431][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 970.168627][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1090) 
[ 970.168826][ C0] vfs_write (fs/read_write.c:586 fs/read_write.c:679) 
[ 970.168966][ C0] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5814) 
[ 970.169147][ C0] ? __pfx_vfs_write (fs/read_write.c:660) 
[ 970.169339][ C0] ? clockevents_program_event (kernel/time/clockevents.c:326) 
[ 970.169611][ C0] ? clockevents_program_event (kernel/time/clockevents.c:334 (discriminator 3)) 
[ 970.169978][ C0] ksys_write (fs/read_write.c:731) 
[ 970.170201][ C0] ? __pfx_ksys_write (fs/read_write.c:721) 
[ 970.170499][ C0] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[ 970.170790][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[  970.171147][    C0] RIP: 0033:0x7f8f3c932957
[ 970.171454][ C0] Code: 0b 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:	0b 00                	or     (%rax),%eax
   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
[  970.172453][    C0] RSP: 002b:00007ffd68a17188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[  970.172901][    C0] RAX: ffffffffffffffda RBX: 0000564bdb1e13f0 RCX: 00007f8f3c932957
[  970.173325][    C0] RDX: 0000000000000001 RSI: 0000564bdb1e13f0 RDI: 0000000000000001
[  970.173753][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[  970.174186][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000564bdb1cc5e0


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