======================================
| # 84.88 [+0.00] [  315.548583] ping6 (2985) used greatest stack depth: 23960 bytes left
| # 84.88 [+0.00] [ 1754.341694] GACT probability NOT on
| # 84.89 [+0.00] [ 1758.840365] Mirror/redirect action on
| # 84.89 [+0.00] [ 1801.273462] irq 51: nobody cared (try booting with the "irqpoll" option)
# 84.89 [+0.00] [ 1801.274076] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 84.89 [+0.00] [ 1801.274079] Call Trace:
# 84.89 [+0.00] [ 1801.274084]  <IRQ>
# 84.89 [+0.00] [ 1801.274088] dump_stack_lvl (lib/dump_stack.c:123) 
# 84.89 [+0.00] [ 1801.274106] __report_bad_irq (kernel/irq/spurious.c:170) 
# 84.90 [+0.00] [ 1801.274116] note_interrupt (kernel/irq/spurious.c:372) 
# 84.90 [+0.00] [ 1801.274125] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 84.90 [+0.00] [ 1801.274132] handle_edge_irq (kernel/irq/chip.c:851) 
# 84.90 [+0.00] [ 1801.274143] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
# 84.90 [+0.00] [ 1801.274153] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 84.90 [+0.00] [ 1801.274160]  </IRQ>
# 84.90 [+0.00] [ 1801.274162]  <TASK>
# 84.90 [+0.00] [ 1801.274166] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 84.90 [+0.00] [ 1801.274171] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 84.90 [+0.00] [ 1801.274178] Code: 74 24 10 e8 11 65 f6 fd 48 89 ef e8 c9 b7 f6 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> 7a 99 ea fd 65 8b 05 53 19 50 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	11 65 f6             	adc    %esp,-0xa(%rbp)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 c9 b7 f6 fd       	call   0xfffffffffdf6b7d9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  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 7a 99 ea fd       	call   0xfffffffffdea99a9		<-- trapping instruction
  2f:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x2501989
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 7a 99 ea fd       	call   0xfffffffffdea997f
   5:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x250195f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
# 84.91 [+0.00] [ 1801.274181] RSP: 0018:ffffc9000cb77aa0 EFLAGS: 00000206
# 84.91 [+0.00] [ 1801.274187] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 84.91 [+0.00] [ 1801.274190] RDX: 0000000000000000 RSI: ffffffffb78e6ee4 RDI: 0000000000000001
# 84.91 [+0.00] [ 1801.274192] RBP: ffffffffba3b0240 R08: 0000000000000001 R09: 0000000000000001
# 84.91 [+0.00] [ 1801.274194] R10: ffffffffb8618fd7 R11: ffff8880059d0970 R12: 00000000ffffffff
# 84.92 [+0.00] [ 1801.274196] R13: 0000000000000001 R14: ffffffffba3b0348 R15: 00000000ffffffff
# 84.92 [+0.00] [ 1801.274213] 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) 
# 84.92 [+0.00] [ 1801.274226] process_output_block (drivers/tty/n_tty.c:561) 
# 84.92 [+0.00] [ 1801.274233] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 84.92 [+0.00] [ 1801.274240] n_tty_write (drivers/tty/n_tty.c:2378) 
# 84.92 [+0.00] [ 1801.274252] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 84.92 [+0.00] [ 1801.274258] ? __pfx_woken_wake_function (kernel/sched/wait.c:440) 
# 84.93 [+0.00] [ 1801.274265] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
# 84.93 [+0.00] [ 1801.274272] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 84.93 [+0.00] [ 1801.274283] iterate_tty_write (drivers/tty/tty_io.c:1007) 
# 84.93 [+0.00] [ 1801.274290] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 84.93 [+0.00] [ 1801.274298] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 84.93 [+0.00] [ 1801.274306] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
# 84.93 [+0.00] [ 1801.274316] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# 84.93 [+0.00] [ 1801.274324] ? __pfx_vfs_write (fs/read_write.c:667) 
# 84.93 [+0.00] [ 1801.274328] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) 
# 84.93 [+0.00] [ 1801.274343] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
# 84.94 [+0.00] [ 1801.274347] ? irqentry_exit (kernel/entry/common.c:200) 
# 84.94 [+0.00] [ 1801.274355] ksys_write (fs/read_write.c:738) 
# 84.94 [+0.00] [ 1801.274360] ? __pfx_ksys_write (fs/read_write.c:728) 
# 84.94 [+0.00] [ 1801.274366] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:638 ./include/linux/cpumask.h:1197 ./include/trace/events/preemptirq.h:40) 
# 84.94 [+0.00] [ 1801.274379] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 84.94 [+0.00] [ 1801.274385] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 84.94 [+0.00] [ 1801.274388] RIP: 0033:0x7fdb0a536337
# 84.94 [+0.00] [ 1801.274394] 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
# 84.95 [+0.00] [ 1801.274396] RSP: 002b:00007fffa17c1dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 84.95 [+0.00] [ 1801.274399] RAX: ffffffffffffffda RBX: 000056206596d3f0 RCX: 00007fdb0a536337
# 84.95 [+0.00] [ 1801.274401] RDX: 0000000000000001 RSI: 000056206596d3f0 RDI: 0000000000000001
# 84.95 [+0.00] [ 1801.274402] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 84.95 [+0.00] [ 1801.274404] R10: 0000000000000001 R11: 0000000000000246 R12: 00005620659585e0
# 84.96 [+0.00] [ 1801.274406] R13: 00005620659392a0 R14: 0000000000000001 R15: 00005620659585e0
| 0
| xx__-> [ 1754.341694][T17415] GACT probability NOT on
| [ 1758.840365][T17491] Mirror/redirect action on
| [ 1801.273462][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1801.274076][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1801.274079][    C0] Call Trace:
[ 1801.274084][    C0]  <IRQ>
[ 1801.274088][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1801.274106][ C0] __report_bad_irq (kernel/irq/spurious.c:170) 
[ 1801.274116][ C0] note_interrupt (kernel/irq/spurious.c:372) 
[ 1801.274125][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1801.274132][ C0] handle_edge_irq (kernel/irq/chip.c:851) 
[ 1801.274143][ C0] __common_interrupt (./include/linux/irqdesc.h:173 arch/x86/kernel/irq.c:254 arch/x86/kernel/irq.c:266 arch/x86/kernel/irq.c:292) 
[ 1801.274153][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1801.274160][    C0]  </IRQ>
[ 1801.274162][    C0]  <TASK>
[ 1801.274166][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1801.274171][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1801.274178][ C0] Code: 74 24 10 e8 11 65 f6 fd 48 89 ef e8 c9 b7 f6 fd 81 e3 00 02 00 00 75 29 9c 58 f6 c4 02 75 35 48 85 db 74 01 fb bf 01 00 00 00 <e8> 7a 99 ea fd 65 8b 05 53 19 50 02 85 c0 74 0e 5b 5d c3 cc cc cc
All code
========
   0:	74 24                	je     0x26
   2:	10 e8                	adc    %ch,%al
   4:	11 65 f6             	adc    %esp,-0xa(%rbp)
   7:	fd                   	std
   8:	48 89 ef             	mov    %rbp,%rdi
   b:	e8 c9 b7 f6 fd       	call   0xfffffffffdf6b7d9
  10:	81 e3 00 02 00 00    	and    $0x200,%ebx
  16:	75 29                	jne    0x41
  18:	9c                   	pushf
  19:	58                   	pop    %rax
  1a:	f6 c4 02             	test   $0x2,%ah
  1d:	75 35                	jne    0x54
  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 7a 99 ea fd       	call   0xfffffffffdea99a9		<-- trapping instruction
  2f:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x2501989
  36:	85 c0                	test   %eax,%eax
  38:	74 0e                	je     0x48
  3a:	5b                   	pop    %rbx
  3b:	5d                   	pop    %rbp
  3c:	c3                   	ret
  3d:	cc                   	int3
  3e:	cc                   	int3
  3f:	cc                   	int3

Code starting with the faulting instruction
===========================================
   0:	e8 7a 99 ea fd       	call   0xfffffffffdea997f
   5:	65 8b 05 53 19 50 02 	mov    %gs:0x2501953(%rip),%eax        # 0x250195f
   c:	85 c0                	test   %eax,%eax
   e:	74 0e                	je     0x1e
  10:	5b                   	pop    %rbx
  11:	5d                   	pop    %rbp
  12:	c3                   	ret
  13:	cc                   	int3
  14:	cc                   	int3
  15:	cc                   	int3
[ 1801.274181][    C0] RSP: 0018:ffffc9000cb77aa0 EFLAGS: 00000206
[ 1801.274187][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1801.274190][    C0] RDX: 0000000000000000 RSI: ffffffffb78e6ee4 RDI: 0000000000000001
[ 1801.274192][    C0] RBP: ffffffffba3b0240 R08: 0000000000000001 R09: 0000000000000001
[ 1801.274194][    C0] R10: ffffffffb8618fd7 R11: ffff8880059d0970 R12: 00000000ffffffff
[ 1801.274196][    C0] R13: 0000000000000001 R14: ffffffffba3b0348 R15: 00000000ffffffff
[ 1801.274213][ 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) 
[ 1801.274226][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1801.274233][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1801.274240][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1801.274252][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1801.274258][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:440) 
[ 1801.274265][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 1801.274272][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1801.274283][ C0] iterate_tty_write (drivers/tty/tty_io.c:1007) 
[ 1801.274290][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1801.274298][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1801.274306][ C0] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
[ 1801.274316][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1801.274324][ C0] ? __pfx_vfs_write (fs/read_write.c:667) 
[ 1801.274328][ C0] ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472) 
[ 1801.274343][ C0] ? rcu_is_watching (./include/linux/context_tracking.h:128 kernel/rcu/tree.c:745) 
[ 1801.274347][ C0] ? irqentry_exit (kernel/entry/common.c:200) 
[ 1801.274355][ C0] ksys_write (fs/read_write.c:738) 
[ 1801.274360][ C0] ? __pfx_ksys_write (fs/read_write.c:728) 
[ 1801.274366][ C0] ? trace_irq_enable.constprop.0 (./arch/x86/include/asm/bitops.h:227 ./arch/x86/include/asm/bitops.h:239 ./include/asm-generic/bitops/instrumented-non-atomic.h:142 ./include/linux/cpumask.h:638 ./include/linux/cpumask.h:1197 ./include/trace/events/preemptirq.h:40) 
[ 1801.274379][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1801.274385][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1801.274388][    C0] RIP: 0033:0x7fdb0a536337
[ 1801.274394][ 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
[ 1801.274396][    C0] RSP: 002b:00007fffa17c1dc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1801.274399][    C0] RAX: ffffffffffffffda RBX: 000056206596d3f0 RCX: 00007fdb0a536337
[ 1801.274401][    C0] RDX: 0000000000000001 RSI: 000056206596d3f0 RDI: 0000000000000001
[ 1801.274402][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1801.274404][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 00005620659585e0


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