[  465.707504] irq 51: nobody cared (try booting with the "irqpoll" option)
[  465.707594] CPU: 0 UID: 0 PID: 23737 Comm: perl Not tainted 6.19.0-rc2-virtme #1 PREEMPT(voluntary) 
[  465.707597] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  465.707598] Call Trace:
[  465.707602]  <IRQ>
[  465.707606]  dump_stack_lvl+0x4d/0x70
[  465.707612]  __report_bad_irq+0x35/0xb8
[  465.707615]  note_interrupt.cold+0x28/0x66
[  465.707616]  handle_irq_event+0x6e/0x80
[  465.707619]  handle_edge_irq+0xbc/0x180
[  465.707621]  __common_interrupt+0x40/0xd0
[  465.707624]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  465.707625]  common_interrupt+0x7a/0x90
[  465.707629]  </IRQ>
[  465.707629]  <TASK>
[  465.707630]  asm_common_interrupt+0x26/0x40
[  465.707632] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  465.707635] 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
[  465.707636] RSP: 0018:ff590f86c0303d38 EFLAGS: 00000286
[  465.707638] RAX: 00000000ffffffff RBX: ff4afcd4c1d80000 RCX: 0000000000000017
[  465.707639] RDX: ffffffff95dce935 RSI: 0000000000000282 RDI: ffffffff970c0680
[  465.707640] RBP: 0000000000000001 R08: 0000000000000001 R09: ff4afcd4c1ebf400
[  465.707640] R10: ff590f86c0303e68 R11: 0000000000000001 R12: ffffffff970c0680
[  465.707640] R13: ff590f86c035d000 R14: ff4afcd4c1ebf400 R15: 0000000000000282
[  465.707641]  ? rpm_suspend+0x185/0x5e0
[  465.707646]  uart_write+0xb4/0x270
[  465.707649]  n_tty_write+0x155/0x560
[  465.707651]  ? swake_up_all+0xd0/0xd0
[  465.707654]  file_tty_write.isra.0+0x15b/0x2a0
[  465.707655]  vfs_write+0x258/0x4d0
[  465.707658]  ? __hrtimer_run_queues+0x161/0x2a0
[  465.707660]  ksys_write+0x73/0xe0
[  465.707661]  do_syscall_64+0xa4/0xfc0
[  465.707663]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  465.707664] RIP: 0033:0x7f9de6f9bc5e
[  465.707666] 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
[  465.707667] RSP: 002b:00007ffd0171a090 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  465.707668] RAX: ffffffffffffffda RBX: 000056012f3402b0 RCX: 00007f9de6f9bc5e
[  465.707668] RDX: 0000000000000001 RSI: 000056012f3402b0 RDI: 0000000000000001
[  465.707669] RBP: 00007ffd0171a0a0 R08: 0000000000000000 R09: 0000000000000000
[  465.707669] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  465.707669] R13: 000056012f301010 R14: 0000000000000001 R15: 000056012f3402b0
[  465.707670]  </TASK>
[  465.707671] handlers:
[  465.708980] [<000000000852b9c6>] serial8250_interrupt
[  465.709012] Disabling IRQ #51