[  474.697007] irq 51: nobody cared (try booting with the "irqpoll" option)
[  474.697097] CPU: 0 UID: 0 PID: 6368 Comm: perl Not tainted 6.18.0-rc7-virtme #1 PREEMPT(voluntary) 
[  474.697099] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  474.697101] Call Trace:
[  474.697107]  <IRQ>
[  474.697110]  dump_stack_lvl+0x4d/0x70
[  474.697116]  __report_bad_irq+0x35/0xb8
[  474.697119]  note_interrupt.cold+0x28/0x66
[  474.697120]  handle_irq_event+0x6e/0x70
[  474.697123]  handle_edge_irq+0xbc/0x180
[  474.697125]  __common_interrupt+0x40/0xd0
[  474.697128]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  474.697131]  common_interrupt+0x82/0xa0
[  474.697135]  </IRQ>
[  474.697135]  <TASK>
[  474.697136]  asm_common_interrupt+0x26/0x40
[  474.697138] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  474.697141] 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 54 1a e9 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  474.697142] RSP: 0018:ff65c7bbc1477d38 EFLAGS: 00000286
[  474.697144] RAX: 00000000ffffffff RBX: ff28e37481d8c000 RCX: 0000000000000017
[  474.697145] RDX: ffffffffacbb9bd5 RSI: 0000000000000286 RDI: ffffffffadeae3c0
[  474.697145] RBP: 0000000000000001 R08: 0000000000000001 R09: ff65c7bbc1477e68
[  474.697146] R10: ff28e37483248400 R11: 0000000000000001 R12: ffffffffadeae3c0
[  474.697146] R13: ff65c7bbc03672a8 R14: ff28e37483248400 R15: 0000000000000286
[  474.697147]  ? rpm_suspend+0x185/0x5e0
[  474.697151]  uart_write+0xb4/0x270
[  474.697154]  n_tty_write+0x153/0x530
[  474.697157]  ? swake_up_all+0xd0/0xd0
[  474.697158]  file_tty_write.isra.0+0x15b/0x2a0
[  474.697160]  vfs_write+0x258/0x4d0
[  474.697163]  ? __hrtimer_run_queues+0x161/0x2a0
[  474.697166]  ksys_write+0x73/0xe0
[  474.697167]  do_syscall_64+0xa4/0xfd0
[  474.697168]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  474.697170] RIP: 0033:0x7f36cee01c5e
[  474.697171] 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
[  474.697171] RSP: 002b:00007ffcc149e850 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  474.697172] RAX: ffffffffffffffda RBX: 000055e6ce0fe250 RCX: 00007f36cee01c5e
[  474.697173] RDX: 0000000000000001 RSI: 000055e6ce0fe250 RDI: 0000000000000001
[  474.697173] RBP: 00007ffcc149e860 R08: 0000000000000000 R09: 0000000000000000
[  474.697173] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  474.697174] R13: 000055e6ce0bf010 R14: 0000000000000001 R15: 000055e6ce0fe250
[  474.697175]  </TASK>
[  474.697175] handlers:
[  474.698618] [<000000009242f4ac>] serial8250_interrupt
[  474.698656] Disabling IRQ #51