[  562.101584] irq 51: nobody cared (try booting with the "irqpoll" option)
[  562.101713] CPU: 0 UID: 0 PID: 7383 Comm: perl Not tainted 6.19.0-rc4-virtme #1 PREEMPT(voluntary) 
[  562.101716] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  562.101717] Call Trace:
[  562.101721]  <IRQ>
[  562.101724]  dump_stack_lvl+0x4d/0x70
[  562.101731]  __report_bad_irq+0x35/0xb8
[  562.101734]  note_interrupt.cold+0x28/0x66
[  562.101735]  handle_irq_event+0x6e/0x80
[  562.101738]  handle_edge_irq+0xbc/0x180
[  562.101740]  __common_interrupt+0x40/0xd0
[  562.101743]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  562.101744]  common_interrupt+0x7a/0x90
[  562.101748]  </IRQ>
[  562.101749]  <TASK>
[  562.101749]  asm_common_interrupt+0x26/0x40
[  562.101751] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  562.101754] 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 b2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  562.101755] RSP: 0018:ff678441420ebd38 EFLAGS: 00000286
[  562.101757] RAX: 00000000ffffffff RBX: ff2e72b881d84000 RCX: 0000000000000017
[  562.101758] RDX: ffffffffb33ce9f5 RSI: 0000000000000282 RDI: ffffffffb46c1680
[  562.101758] RBP: 0000000000000001 R08: 0000000000000001 R09: ff2e72b882fc0400
[  562.101758] R10: ff678441420ebe68 R11: 0000000000000001 R12: ffffffffb46c1680
[  562.101759] R13: ff6784414034d000 R14: ff2e72b882fc0400 R15: 0000000000000282
[  562.101760]  ? rpm_suspend+0x185/0x5e0
[  562.101764]  uart_write+0xb4/0x270
[  562.101767]  n_tty_write+0x155/0x560
[  562.101769]  ? swake_up_all+0xd0/0xd0
[  562.101772]  file_tty_write.isra.0+0x15b/0x2a0
[  562.101773]  vfs_write+0x258/0x4d0
[  562.101776]  ? __hrtimer_run_queues+0x161/0x2a0
[  562.101779]  ksys_write+0x73/0xe0
[  562.101780]  do_syscall_64+0xa4/0xfc0
[  562.101781]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  562.101782] RIP: 0033:0x7f91fb927c5e
[  562.101784] 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
[  562.101785] RSP: 002b:00007ffc8ca2b630 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  562.101786] RAX: ffffffffffffffda RBX: 000055a76c810180 RCX: 00007f91fb927c5e
[  562.101786] RDX: 0000000000000001 RSI: 000055a76c810180 RDI: 0000000000000001
[  562.101787] RBP: 00007ffc8ca2b640 R08: 0000000000000000 R09: 0000000000000000
[  562.101787] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  562.101787] R13: 000055a76c7d1010 R14: 0000000000000001 R15: 000055a76c810180
[  562.101788]  </TASK>
[  562.101789] handlers:
[  562.103544] [<00000000fe929d26>] serial8250_interrupt
[  562.103580] Disabling IRQ #51