======================================
| [    7.398869] tc (320) used greatest stack depth: 12536 bytes left
| [    9.662401] Mirror/redirect action on
| [   15.324713] tc (2250) used greatest stack depth: 12456 bytes left
| [   19.938506] irq 4: nobody cared (try booting with the "irqpoll" option)
[   19.938715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[   19.938821] Call Trace:
[   19.938852]  <IRQ>
[   19.938881] dump_stack_lvl (lib/dump_stack.c:117) 
[   19.938933] __report_bad_irq (kernel/irq/spurious.c:214) 
[   19.938978] note_interrupt (kernel/irq/spurious.c:423) 
[   19.939019] handle_irq_event (kernel/irq/handle.c:198 kernel/irq/handle.c:210) 
[   19.939061] handle_edge_irq (kernel/irq/chip.c:833) 
[   19.939100] __common_interrupt (./include/linux/irqdesc.h:161 arch/x86/kernel/irq.c:238 arch/x86/kernel/irq.c:257) 
[   19.939143] common_interrupt (arch/x86/kernel/irq.c:247 (discriminator 13)) 
[   19.939184] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:693) 
[   19.939230] RIP: 0010:__do_softirq (kernel/softirq.c:540) 
[ 19.939285] Code: f7 ff ff 89 74 24 14 65 81 05 6f 08 6e 4f 00 01 00 00 c7 44 24 10 0a 00 00 00 65 66 c7 05 7d 08 6e 4f 00 00 fb bb ff ff ff ff <49> c7 c2 c0 60 20 b1 41 0f bc dc 83 c3 01 74 77 8d 43 ff 48 98 4d
All code
========
   0:	f7 ff                	idiv   %edi
   2:	ff 89 74 24 14 65    	decl   0x65142474(%rcx)
   8:	81 05 6f 08 6e 4f 00 	addl   $0x100,0x4f6e086f(%rip)        # 0x4f6e0881
   f:	01 00 00 
  12:	c7 44 24 10 0a 00 00 	movl   $0xa,0x10(%rsp)
  19:	00 
  1a:	65 66 c7 05 7d 08 6e 	movw   $0x0,%gs:0x4f6e087d(%rip)        # 0x4f6e08a1
  21:	4f 00 00 
  24:	fb                   	sti
  25:	bb ff ff ff ff       	mov    $0xffffffff,%ebx
  2a:*	49 c7 c2 c0 60 20 b1 	mov    $0xffffffffb12060c0,%r10		<-- trapping instruction
  31:	41 0f bc dc          	bsf    %r12d,%ebx
  35:	83 c3 01             	add    $0x1,%ebx
  38:	74 77                	je     0xb1
  3a:	8d 43 ff             	lea    -0x1(%rbx),%eax
  3d:	48 98                	cltq
  3f:	4d                   	rex.WRB

Code starting with the faulting instruction
===========================================
   0:	49 c7 c2 c0 60 20 b1 	mov    $0xffffffffb12060c0,%r10
   7:	41 0f bc dc          	bsf    %r12d,%ebx
   b:	83 c3 01             	add    $0x1,%ebx
   e:	74 77                	je     0x87
  10:	8d 43 ff             	lea    -0x1(%rbx),%eax
  13:	48 98                	cltq
  15:	4d                   	rex.WRB
[   19.939449] RSP: 0018:ffffb79a80148fa0 EFLAGS: 00000286
[   19.939502] RAX: ffff9efac2615c00 RBX: 00000000ffffffff RCX: 00000000000006e0
[   19.939580] RDX: 000000000000000e RSI: 0000000000400100 RDI: 000000000005b53e
[   19.939648] RBP: ffffb79a805b3c88 R08: 00000004b5e45f52 R09: 0000000000000001
[   19.939724] R10: 00000004a4473800 R11: 00000000000003bc R12: 0000000000000080
[   19.939793] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   19.939862] irq_exit_rcu (kernel/softirq.c:428 kernel/softirq.c:633 kernel/softirq.c:645) 
[   19.939906] sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[   19.939958]  </IRQ>
[   19.939985]  <TASK>
[   19.940007] asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[   19.940056] RIP: 0010:_raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:152 kernel/locking/spinlock.c:194) 
[ 19.940106] Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d dc 14 6e 4f <74> 05 c3 cc cc cc cc 0f 1f 44 00 00 c3 cc cc cc cc 0f 1f 00 90 90
All code
========
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	90                   	nop
   8:	90                   	nop
   9:	90                   	nop
   a:	90                   	nop
   b:	90                   	nop
   c:	90                   	nop
   d:	90                   	nop
   e:	f3 0f 1e fa          	endbr64
  12:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  17:	c6 07 00             	movb   $0x0,(%rdi)
  1a:	f7 c6 00 02 00 00    	test   $0x200,%esi
  20:	74 01                	je     0x23
  22:	fb                   	sti
  23:	65 ff 0d dc 14 6e 4f 	decl   %gs:0x4f6e14dc(%rip)        # 0x4f6e1506
  2a:*	74 05                	je     0x31		<-- trapping instruction
  2c:	c3                   	ret
  2d:	cc                   	int3
  2e:	cc                   	int3
  2f:	cc                   	int3
  30:	cc                   	int3
  31:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
  36:	c3                   	ret
  37:	cc                   	int3
  38:	cc                   	int3
  39:	cc                   	int3
  3a:	cc                   	int3
  3b:	0f 1f 00             	nopl   (%rax)
  3e:	90                   	nop
  3f:	90                   	nop

Code starting with the faulting instruction
===========================================
   0:	74 05                	je     0x7
   2:	c3                   	ret
   3:	cc                   	int3
   4:	cc                   	int3
   5:	cc                   	int3
   6:	cc                   	int3
   7:	0f 1f 44 00 00       	nopl   0x0(%rax,%rax,1)
   c:	c3                   	ret
   d:	cc                   	int3
   e:	cc                   	int3
   f:	cc                   	int3
  10:	cc                   	int3
  11:	0f 1f 00             	nopl   (%rax)
  14:	90                   	nop
  15:	90                   	nop
[   19.940269] RSP: 0018:ffffb79a805b3d38 EFLAGS: 00000286
[   19.940322] RAX: 0000000000000000 RBX: ffffffffb1cce240 RCX: 0000000000000017
[   19.940394] RDX: ffffffffb0549ece RSI: 0000000000000282 RDI: ffffffffb1cce240
[   19.940459] RBP: 0000000000000001 R08: 00000004b5e45730 R09: 0000000000000001
[   19.940526] R10: ffff9efac24b45f8 R11: 0000000000000000 R12: 0000000000000001
[   19.940594] R13: 0000000000000000 R14: ffff9efac24b5c01 R15: ffff9efac1f04000
[   19.940665] ? rpm_suspend (./arch/x86/include/asm/jump_label.h:27 ./include/linux/jump_label.h:207 ./include/trace/events/rpm.h:84 drivers/base/power/runtime.c:718) 
[   19.940714] uart_write (drivers/tty/serial/serial_core.c:74 drivers/tty/serial/serial_core.c:616) 
[   19.940757] n_tty_write (drivers/tty/n_tty.c:574 drivers/tty/n_tty.c:2379) 
[   19.940797] ? __pfx_woken_wake_function (kernel/sched/wait.c:439) 
[   19.940847] file_tty_write.constprop.0 (drivers/tty/tty_io.c:1021 drivers/tty/tty_io.c:1096) 
[   19.940900] vfs_write (./include/linux/fs.h:2110 fs/read_write.c:497 fs/read_write.c:590) 
[   19.940941] ksys_write (fs/read_write.c:643) 
[   19.940983] do_syscall_64 (arch/x86/entry/common.c:52 arch/x86/entry/common.c:83) 
[   19.941024] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130) 
[   19.941080] RIP: 0033:0x7f85ed5b3957
[ 19.941120] 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
[   19.941280] RSP: 002b:00007ffd9543fed8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[   19.941356] RAX: ffffffffffffffda RBX: 000055c4d30f1fd0 RCX: 00007f85ed5b3957
[   19.941423] RDX: 0000000000000001 RSI: 000055c4d30f1fd0 RDI: 0000000000000001
[   19.941493] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000002000
[   19.941560] R10: 0000000000000001 R11: 0000000000000246 R12: 000055c4d30de560


Finger prints:
dump_stack_lvl:__report_bad_irq:note_interrupt:handle_irq_event