[  649.998039] irq 51: nobody cared (try booting with the "irqpoll" option)
[  649.998120] CPU: 0 UID: 0 PID: 25535 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(voluntary) 
[  649.998122] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  649.998124] Call Trace:
[  649.998127]  <IRQ>
[  649.998131]  dump_stack_lvl+0x4d/0x70
[  649.998138]  __report_bad_irq+0x35/0xb8
[  649.998140]  note_interrupt.cold+0x28/0x66
[  649.998142]  handle_irq_event+0x6e/0x80
[  649.998145]  handle_edge_irq+0xbc/0x180
[  649.998147]  __common_interrupt+0x40/0xd0
[  649.998149]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  649.998151]  common_interrupt+0x7a/0x90
[  649.998154]  </IRQ>
[  649.998154]  <TASK>
[  649.998155]  asm_common_interrupt+0x26/0x40
[  649.998157] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  649.998160] 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
[  649.998161] RSP: 0018:ff591852c20a3d38 EFLAGS: 00000286
[  649.998163] RAX: 00000000ffffffff RBX: ff17976001f88000 RCX: 0000000000000017
[  649.998164] RDX: ffffffff89fce7f5 RSI: 0000000000000282 RDI: ffffffff8b2c0680
[  649.998164] RBP: 0000000000000001 R08: 0000000000000001 R09: ff17976002ceec00
[  649.998165] R10: ff591852c20a3e68 R11: 0000000000000001 R12: ffffffff8b2c0680
[  649.998165] R13: ff591852c035d000 R14: ff17976002ceec00 R15: 0000000000000282
[  649.998166]  ? rpm_suspend+0x185/0x5e0
[  649.998170]  uart_write+0xb4/0x270
[  649.998173]  n_tty_write+0x155/0x560
[  649.998175]  ? swake_up_all+0xd0/0xd0
[  649.998177]  file_tty_write.isra.0+0x15b/0x2a0
[  649.998178]  vfs_write+0x258/0x4d0
[  649.998182]  ? __hrtimer_run_queues+0x161/0x2a0
[  649.998184]  ksys_write+0x73/0xe0
[  649.998186]  do_syscall_64+0xa4/0xfc0
[  649.998187]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  649.998188] RIP: 0033:0x7fbb48924c5e
[  649.998190] 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
[  649.998191] RSP: 002b:00007ffd84b55860 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  649.998192] RAX: ffffffffffffffda RBX: 000055f575347140 RCX: 00007fbb48924c5e
[  649.998192] RDX: 0000000000000001 RSI: 000055f575347140 RDI: 0000000000000001
[  649.998192] RBP: 00007ffd84b55870 R08: 0000000000000000 R09: 0000000000000000
[  649.998193] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  649.998193] R13: 000055f575308010 R14: 0000000000000001 R15: 000055f575347140
[  649.998194]  </TASK>
[  649.998194] handlers:
[  649.999364] [<0000000019b7e200>] serial8250_interrupt
[  649.999392] Disabling IRQ #51