[  834.791459] irq 51: nobody cared (try booting with the "irqpoll" option)
[  834.791586] CPU: 0 UID: 0 PID: 20488 Comm: perl Not tainted 6.19.0-rc4-virtme #1 PREEMPT(voluntary) 
[  834.791589] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  834.791590] Call Trace:
[  834.791593]  <IRQ>
[  834.791597]  dump_stack_lvl+0x4d/0x70
[  834.791604]  __report_bad_irq+0x35/0xb8
[  834.791606]  note_interrupt.cold+0x28/0x66
[  834.791607]  handle_irq_event+0x6e/0x80
[  834.791610]  handle_edge_irq+0xbc/0x180
[  834.791612]  __common_interrupt+0x40/0xd0
[  834.791615]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  834.791617]  common_interrupt+0x7a/0x90
[  834.791626]  </IRQ>
[  834.791627]  <TASK>
[  834.791627]  asm_common_interrupt+0x26/0x40
[  834.791629] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  834.791632] 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
[  834.791632] RSP: 0018:ff83fecf82547d38 EFLAGS: 00000286
[  834.791634] RAX: 00000000ffffffff RBX: ff3da8d5c1f60000 RCX: 0000000000000017
[  834.791635] RDX: ffffffff861ce9f5 RSI: 0000000000000282 RDI: ffffffff874c1680
[  834.791636] RBP: 0000000000000001 R08: 0000000000000001 R09: ff3da8d5c2e50800
[  834.791636] R10: ff83fecf82547e68 R11: 0000000000000001 R12: ffffffff874c1680
[  834.791636] R13: ff83fecf8033d000 R14: ff3da8d5c2e50800 R15: 0000000000000282
[  834.791637]  ? rpm_suspend+0x185/0x5e0
[  834.791641]  uart_write+0xb4/0x270
[  834.791644]  n_tty_write+0x155/0x560
[  834.791647]  ? swake_up_all+0xd0/0xd0
[  834.791649]  file_tty_write.isra.0+0x15b/0x2a0
[  834.791650]  vfs_write+0x258/0x4d0
[  834.791653]  ksys_write+0x73/0xe0
[  834.791654]  do_syscall_64+0xa4/0xfc0
[  834.791656]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  834.791657] RIP: 0033:0x7f1673722c5e
[  834.791659] 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
[  834.791659] RSP: 002b:00007ffca9bba030 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  834.791660] RAX: ffffffffffffffda RBX: 0000556d2b5d9150 RCX: 00007f1673722c5e
[  834.791660] RDX: 0000000000000001 RSI: 0000556d2b5d9150 RDI: 0000000000000001
[  834.791661] RBP: 00007ffca9bba040 R08: 0000000000000000 R09: 0000000000000000
[  834.791661] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  834.791661] R13: 0000556d2b59a010 R14: 0000000000000001 R15: 0000556d2b5d9150
[  834.791662]  </TASK>
[  834.791663] handlers:
[  834.793136] [<00000000654f47b0>] serial8250_interrupt
[  834.793166] Disabling IRQ #51