[  657.683628] irq 51: nobody cared (try booting with the "irqpoll" option)
[  657.683709] CPU: 0 UID: 0 PID: 12619 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(voluntary) 
[  657.683712] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  657.683713] Call Trace:
[  657.683717]  <IRQ>
[  657.683721]  dump_stack_lvl+0x4d/0x70
[  657.683727]  __report_bad_irq+0x35/0xb8
[  657.683735]  note_interrupt.cold+0x28/0x66
[  657.683737]  handle_irq_event+0x6e/0x80
[  657.683740]  handle_edge_irq+0xbc/0x180
[  657.683742]  __common_interrupt+0x40/0xd0
[  657.683745]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  657.683746]  common_interrupt+0x7a/0x90
[  657.683750]  </IRQ>
[  657.683751]  <TASK>
[  657.683751]  asm_common_interrupt+0x26/0x40
[  657.683753] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  657.683756] Code: 00 66 90 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f 1e fa 0f 1f 44 00 00 c6 07 00 f7 c6 00 02 00 00 74 01 fb 65 ff 0d e4 c2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  657.683757] RSP: 0018:ff86ec2181dfbd38 EFLAGS: 00000286
[  657.683759] RAX: 00000000ffffffff RBX: ff47314281f88000 RCX: 0000000000000017
[  657.683760] RDX: ffffffffbcdce8f5 RSI: 0000000000000282 RDI: ffffffffbe0c1680
[  657.683760] RBP: 0000000000000001 R08: 0000000000000001 R09: ff47314282d6fc00
[  657.683761] R10: ff86ec2181dfbe68 R11: 0000000000000001 R12: ffffffffbe0c1680
[  657.683761] R13: ff86ec218034d000 R14: ff47314282d6fc00 R15: 0000000000000282
[  657.683762]  ? rpm_suspend+0x185/0x5e0
[  657.683767]  uart_write+0xb4/0x270
[  657.683770]  n_tty_write+0x155/0x560
[  657.683772]  ? swake_up_all+0xd0/0xd0
[  657.683774]  file_tty_write.isra.0+0x15b/0x2a0
[  657.683775]  vfs_write+0x258/0x4d0
[  657.683778]  ? __hrtimer_run_queues+0x161/0x2a0
[  657.683781]  ksys_write+0x73/0xe0
[  657.683782]  do_syscall_64+0xa4/0xfc0
[  657.683784]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  657.683785] RIP: 0033:0x7f1297ed1c5e
[  657.683787] Code: 4d 89 d8 e8 14 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 13 ff ff ff 0f 1f 00 f3 0f 1e fa
[  657.683788] RSP: 002b:00007ffe3721d330 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  657.683789] RAX: ffffffffffffffda RBX: 0000555751528140 RCX: 00007f1297ed1c5e
[  657.683789] RDX: 0000000000000001 RSI: 0000555751528140 RDI: 0000000000000001
[  657.683790] RBP: 00007ffe3721d340 R08: 0000000000000000 R09: 0000000000000000
[  657.683790] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  657.683790] R13: 00005557514e9010 R14: 0000000000000001 R15: 0000555751528140
[  657.683791]  </TASK>
[  657.683791] handlers:
[  657.685206] [<0000000055fdb8c1>] serial8250_interrupt
[  657.685236] Disabling IRQ #51