[  424.585478] irq 51: nobody cared (try booting with the "irqpoll" option)
[  424.585571] CPU: 0 UID: 0 PID: 22017 Comm: perl Not tainted 6.19.0-rc8-virtme #1 PREEMPT(voluntary) 
[  424.585573] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  424.585575] Call Trace:
[  424.585578]  <IRQ>
[  424.585582]  dump_stack_lvl+0x4d/0x70
[  424.585588]  __report_bad_irq+0x35/0xb8
[  424.585591]  note_interrupt.cold+0x28/0x66
[  424.585592]  handle_irq_event+0x6e/0x80
[  424.585595]  handle_edge_irq+0xbc/0x180
[  424.585597]  __common_interrupt+0x40/0xd0
[  424.585600]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  424.585602]  common_interrupt+0x7a/0x90
[  424.585606]  </IRQ>
[  424.585606]  <TASK>
[  424.585607]  asm_common_interrupt+0x26/0x40
[  424.585609] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  424.585613] 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
[  424.585614] RSP: 0018:ff87e0404118fd38 EFLAGS: 00000286
[  424.585616] RAX: 00000000ffffffff RBX: ff47dbb0c1eec000 RCX: 0000000000000017
[  424.585617] RDX: ffffffff8a3cf675 RSI: 0000000000000282 RDI: ffffffff8b6c2680
[  424.585617] RBP: 0000000000000001 R08: 0000000000000001 R09: ff47dbb0c2383800
[  424.585618] R10: ff87e0404118fe68 R11: 0000000000000001 R12: ffffffff8b6c2680
[  424.585618] R13: ff87e0404034d000 R14: ff47dbb0c2383800 R15: 0000000000000282
[  424.585619]  ? rpm_suspend+0x185/0x5e0
[  424.585623]  uart_write+0xb4/0x270
[  424.585626]  n_tty_write+0x155/0x560
[  424.585629]  ? swake_up_all+0xd0/0xd0
[  424.585631]  file_tty_write.isra.0+0x15b/0x2a0
[  424.585632]  vfs_write+0x258/0x4d0
[  424.585636]  ksys_write+0x73/0xe0
[  424.585637]  do_syscall_64+0xa4/0xfc0
[  424.585639]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  424.585640] RIP: 0033:0x7f9d3284ac5e
[  424.585642] Code: 4d 89 d8 e8 34 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
[  424.585643] RSP: 002b:00007ffd2920d500 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  424.585644] RAX: ffffffffffffffda RBX: 00005645d48442e0 RCX: 00007f9d3284ac5e
[  424.585644] RDX: 0000000000000001 RSI: 00005645d48442e0 RDI: 0000000000000001
[  424.585644] RBP: 00007ffd2920d510 R08: 0000000000000000 R09: 0000000000000000
[  424.585645] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  424.585645] R13: 00005645d4805010 R14: 0000000000000001 R15: 00005645d48442e0
[  424.585646]  </TASK>
[  424.585646] handlers:
[  424.586866] [<000000003178de03>] serial8250_interrupt
[  424.586898] Disabling IRQ #51