[  752.666866] irq 51: nobody cared (try booting with the "irqpoll" option)
[  752.666940] CPU: 0 UID: 0 PID: 27379 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(voluntary) 
[  752.666943] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  752.666944] Call Trace:
[  752.666948]  <IRQ>
[  752.666952]  dump_stack_lvl+0x4d/0x70
[  752.666959]  __report_bad_irq+0x35/0xb8
[  752.666963]  note_interrupt.cold+0x28/0x66
[  752.666964]  handle_irq_event+0x6e/0x80
[  752.666968]  handle_edge_irq+0xbc/0x180
[  752.666970]  __common_interrupt+0x40/0xd0
[  752.666973]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  752.666976]  common_interrupt+0x7a/0x90
[  752.666980]  </IRQ>
[  752.666981]  <TASK>
[  752.666981]  asm_common_interrupt+0x26/0x40
[  752.666984] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  752.666988] 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
[  752.666989] RSP: 0018:ff8708558418bd38 EFLAGS: 00000286
[  752.666992] RAX: 00000000ffffffff RBX: ff45228941e50000 RCX: 0000000000000017
[  752.666993] RDX: ffffffff8a5ce675 RSI: 0000000000000282 RDI: ffffffff8b8c0680
[  752.666994] RBP: 0000000000000001 R08: 0000000000000001 R09: ff45228941ef9c00
[  752.666994] R10: ff8708558418be68 R11: 0000000000000001 R12: ffffffff8b8c0680
[  752.666995] R13: ff8708558035d000 R14: ff45228941ef9c00 R15: 0000000000000282
[  752.666996]  ? rpm_suspend+0x185/0x5e0
[  752.667002]  uart_write+0xb4/0x270
[  752.667005]  n_tty_write+0x155/0x560
[  752.667008]  ? swake_up_all+0xd0/0xd0
[  752.667010]  file_tty_write.isra.0+0x15b/0x2a0
[  752.667012]  vfs_write+0x258/0x4d0
[  752.667016]  ? __hrtimer_run_queues+0x161/0x2a0
[  752.667019]  ksys_write+0x73/0xe0
[  752.667020]  do_syscall_64+0xa4/0xfc0
[  752.667022]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  752.667024] RIP: 0033:0x7f48fe27dc5e
[  752.667027] 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
[  752.667028] RSP: 002b:00007fff452b0590 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  752.667029] RAX: ffffffffffffffda RBX: 000055ec6df81230 RCX: 00007f48fe27dc5e
[  752.667030] RDX: 0000000000000001 RSI: 000055ec6df81230 RDI: 0000000000000001
[  752.667030] RBP: 00007fff452b05a0 R08: 0000000000000000 R09: 0000000000000000
[  752.667031] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  752.667032] R13: 000055ec6df42010 R14: 0000000000000001 R15: 000055ec6df81230
[  752.667033]  </TASK>
[  752.667033] handlers:
[  752.668328] [<00000000283f13b5>] serial8250_interrupt
[  752.668358] Disabling IRQ #51