======================================
| # 76.89 [+0.00] [   14.448280] ip (250) used greatest stack depth: 24016 bytes left
| # 76.89 [+0.00] [ 1772.295408] GACT probability NOT on
| # 76.89 [+0.00] [ 1776.762059] Mirror/redirect action on
| # 76.89 [+0.00] [ 1796.069266] irq 51: nobody cared (try booting with the "irqpoll" option)
# 76.90 [+0.00] [ 1796.069819] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
# 76.90 [+0.00] [ 1796.069821] Call Trace:
# 76.90 [+0.00] [ 1796.069823]  <IRQ>
# 76.90 [+0.00] [ 1796.069826] dump_stack_lvl (lib/dump_stack.c:123) 
# 76.90 [+0.00] [ 1796.069838] __report_bad_irq (kernel/irq/spurious.c:170) 
# 76.90 [+0.00] [ 1796.069854] note_interrupt (kernel/irq/spurious.c:372) 
# 76.90 [+0.00] [ 1796.069862] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
# 76.90 [+0.00] [ 1796.069869] handle_edge_irq (kernel/irq/chip.c:851) 
# 76.90 [+0.00] [ 1796.069879] __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) 
# 76.90 [+0.00] [ 1796.069895] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
# 76.91 [+0.00] [ 1796.069900]  </IRQ>
# 76.91 [+0.00] [ 1796.069902]  <TASK>
# 76.91 [+0.00] [ 1796.069906] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
# 76.91 [+0.00] [ 1796.069909] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
# 76.91 [+0.00] [ 1796.069915] 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
# 76.91 [+0.00] [ 1796.069917] RSP: 0018:ffffc90008e97aa0 EFLAGS: 00000206
# 76.91 [+0.00] [ 1796.069922] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
# 76.92 [+0.00] [ 1796.069924] RDX: 0000000000000000 RSI: ffffffffb10e6ee4 RDI: 0000000000000001
# 76.92 [+0.00] [ 1796.069926] RBP: ffffffffb3bb0240 R08: 0000000000000001 R09: 0000000000000001
# 76.92 [+0.00] [ 1796.069928] R10: ffffffffb1e18fd7 R11: ffff888006208970 R12: 00000000ffffffff
# 76.92 [+0.00] [ 1796.069930] R13: 0000000000000001 R14: ffffffffb3bb0348 R15: 00000000ffffffff
# 76.92 [+0.00] [ 1796.069946] 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) 
# 76.92 [+0.00] [ 1796.069962] process_output_block (drivers/tty/n_tty.c:561) 
# 76.92 [+0.00] [ 1796.069970] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
# 76.93 [+0.00] [ 1796.069977] n_tty_write (drivers/tty/n_tty.c:2378) 
# 76.93 [+0.00] [ 1796.069988] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
# 76.93 [+0.00] [ 1796.069995] ? __pfx_woken_wake_function (kernel/sched/wait.c:440) 
# 76.93 [+0.00] [ 1796.070001] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
# 76.93 [+0.00] [ 1796.070005] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
# 76.93 [+0.00] [ 1796.070016] iterate_tty_write (drivers/tty/tty_io.c:1007) 
# 76.93 [+0.00] [ 1796.070023] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
# 76.93 [+0.00] [ 1796.070032] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
# 76.93 [+0.00] [ 1796.070040] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
# 76.94 [+0.00] [ 1796.070051] ? __pfx_vfs_write (fs/read_write.c:667) 
# 76.94 [+0.00] [ 1796.070059] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
# 76.94 [+0.00] [ 1796.070069] ? rseq_update_cpu_node_id (kernel/rseq.c:189 (discriminator 10)) 
# 76.94 [+0.00] [ 1796.070076] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
# 76.94 [+0.00] [ 1796.070087] ksys_write (fs/read_write.c:738) 
# 76.94 [+0.00] [ 1796.070092] ? __pfx_ksys_write (fs/read_write.c:728) 
# 76.94 [+0.00] [ 1796.070105] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
# 76.94 [+0.00] [ 1796.070111] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
# 76.94 [+0.00] [ 1796.070114] RIP: 0033:0x7f382ba17337
# 76.94 [+0.00] [ 1796.070118] 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
# 76.95 [+0.00] [ 1796.070120] RSP: 002b:00007ffee3f28f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
# 76.95 [+0.00] [ 1796.070123] RAX: ffffffffffffffda RBX: 0000558c55e0c3f0 RCX: 00007f382ba17337
# 76.95 [+0.00] [ 1796.070125] RDX: 0000000000000001 RSI: 0000558c55e0c3f0 RDI: 0000000000000001
# 76.95 [+0.00] [ 1796.070127] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
# 76.96 [+0.00] [ 1796.070128] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558c55df75e0
# 76.96 [+0.00] [ 1796.070130] R13: 0000558c55dd82a0 R14: 0000000000000001 R15: 0000558c55df75e0
| 0
| xx__-> [ 1772.295408][T17410] GACT probability NOT on
| [ 1776.762059][T17486] Mirror/redirect action on
| [ 1796.069266][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[ 1796.069819][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[ 1796.069821][    C0] Call Trace:
[ 1796.069823][    C0]  <IRQ>
[ 1796.069826][ C0] dump_stack_lvl (lib/dump_stack.c:123) 
[ 1796.069838][ C0] __report_bad_irq (kernel/irq/spurious.c:170) 
[ 1796.069854][ C0] note_interrupt (kernel/irq/spurious.c:372) 
[ 1796.069862][ C0] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[ 1796.069869][ C0] handle_edge_irq (kernel/irq/chip.c:851) 
[ 1796.069879][ 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) 
[ 1796.069895][ C0] common_interrupt (arch/x86/kernel/irq.c:285 (discriminator 14)) 
[ 1796.069900][    C0]  </IRQ>
[ 1796.069902][    C0]  <TASK>
[ 1796.069906][ C0] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[ 1796.069909][ C0] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 1796.069915][ 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
[ 1796.069917][    C0] RSP: 0018:ffffc90008e97aa0 EFLAGS: 00000206
[ 1796.069922][    C0] RAX: 0000000000000002 RBX: 0000000000000200 RCX: 0000000000000040
[ 1796.069924][    C0] RDX: 0000000000000000 RSI: ffffffffb10e6ee4 RDI: 0000000000000001
[ 1796.069926][    C0] RBP: ffffffffb3bb0240 R08: 0000000000000001 R09: 0000000000000001
[ 1796.069928][    C0] R10: ffffffffb1e18fd7 R11: ffff888006208970 R12: 00000000ffffffff
[ 1796.069930][    C0] R13: 0000000000000001 R14: ffffffffb3bb0348 R15: 00000000ffffffff
[ 1796.069946][ 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) 
[ 1796.069962][ C0] process_output_block (drivers/tty/n_tty.c:561) 
[ 1796.069970][ C0] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:151 kernel/locking/spinlock.c:194) 
[ 1796.069977][ C0] n_tty_write (drivers/tty/n_tty.c:2378) 
[ 1796.069988][ C0] ? __pfx_n_tty_write (drivers/tty/n_tty.c:2348) 
[ 1796.069995][ C0] ? __pfx_woken_wake_function (kernel/sched/wait.c:440) 
[ 1796.070001][ C0] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5831) 
[ 1796.070005][ C0] ? iterate_tty_write (drivers/tty/tty_io.c:939 drivers/tty/tty_io.c:958) 
[ 1796.070016][ C0] iterate_tty_write (drivers/tty/tty_io.c:1007) 
[ 1796.070023][ C0] ? tty_ldisc_ref_wait (drivers/tty/tty_ldisc.c:244) 
[ 1796.070032][ C0] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1081) 
[ 1796.070040][ C0] vfs_write (fs/read_write.c:593 fs/read_write.c:686) 
[ 1796.070051][ C0] ? __pfx_vfs_write (fs/read_write.c:667) 
[ 1796.070059][ C0] ? trace_rseq_update (./include/trace/events/rseq.h:11 (discriminator 21)) 
[ 1796.070069][ C0] ? rseq_update_cpu_node_id (kernel/rseq.c:189 (discriminator 10)) 
[ 1796.070076][ C0] ? __rseq_handle_notify_resume (kernel/rseq.c:442) 
[ 1796.070087][ C0] ksys_write (fs/read_write.c:738) 
[ 1796.070092][ C0] ? __pfx_ksys_write (fs/read_write.c:728) 
[ 1796.070105][ C0] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94) 
[ 1796.070111][ C0] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[ 1796.070114][    C0] RIP: 0033:0x7f382ba17337
[ 1796.070118][ 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
[ 1796.070120][    C0] RSP: 002b:00007ffee3f28f78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 1796.070123][    C0] RAX: ffffffffffffffda RBX: 0000558c55e0c3f0 RCX: 00007f382ba17337
[ 1796.070125][    C0] RDX: 0000000000000001 RSI: 0000558c55e0c3f0 RDI: 0000000000000001
[ 1796.070127][    C0] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[ 1796.070128][    C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000558c55df75e0


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