[  395.638071] irq 51: nobody cared (try booting with the "irqpoll" option)
[  395.638149] CPU: 0 UID: 0 PID: 6267 Comm: perl Not tainted 6.19.0-rc8-virtme #1 PREEMPT(voluntary) 
[  395.638152] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  395.638153] Call Trace:
[  395.638157]  <IRQ>
[  395.638160]  dump_stack_lvl+0x4d/0x70
[  395.638167]  __report_bad_irq+0x35/0xb8
[  395.638170]  note_interrupt.cold+0x28/0x66
[  395.638171]  handle_irq_event+0x6e/0x80
[  395.638174]  handle_edge_irq+0xbc/0x180
[  395.638176]  __common_interrupt+0x40/0xd0
[  395.638178]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  395.638189]  common_interrupt+0x7a/0x90
[  395.638193]  </IRQ>
[  395.638194]  <TASK>
[  395.638194]  asm_common_interrupt+0x26/0x40
[  395.638196] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  395.638200] 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
[  395.638201] RSP: 0018:ff7fa86c80c47d38 EFLAGS: 00000286
[  395.638203] RAX: 00000000ffffffff RBX: ff24be4741f28000 RCX: 0000000000000017
[  395.638203] RDX: ffffffff8efcf675 RSI: 0000000000000282 RDI: ffffffff902c2680
[  395.638204] RBP: 0000000000000001 R08: 0000000000000001 R09: ff24be4741ecc400
[  395.638204] R10: ff7fa86c80c47e68 R11: 0000000000000001 R12: ffffffff902c2680
[  395.638205] R13: ff7fa86c8035d000 R14: ff24be4741ecc400 R15: 0000000000000282
[  395.638205]  ? rpm_suspend+0x185/0x5e0
[  395.638209]  uart_write+0xb4/0x270
[  395.638212]  n_tty_write+0x155/0x560
[  395.638215]  ? swake_up_all+0xd0/0xd0
[  395.638217]  file_tty_write.isra.0+0x15b/0x2a0
[  395.638218]  vfs_write+0x258/0x4d0
[  395.638222]  ksys_write+0x73/0xe0
[  395.638223]  do_syscall_64+0xa4/0xfc0
[  395.638225]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  395.638226] RIP: 0033:0x7fbb2a992c5e
[  395.638228] 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
[  395.638229] RSP: 002b:00007fff0da3e040 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  395.638230] RAX: ffffffffffffffda RBX: 0000557ba19bf170 RCX: 00007fbb2a992c5e
[  395.638230] RDX: 0000000000000001 RSI: 0000557ba19bf170 RDI: 0000000000000001
[  395.638230] RBP: 00007fff0da3e050 R08: 0000000000000000 R09: 0000000000000000
[  395.638231] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  395.638231] R13: 0000557ba1980010 R14: 0000000000000001 R15: 0000557ba19bf170
[  395.638232]  </TASK>
[  395.638232] handlers:
[  395.639459] [<000000001de1f4e2>] serial8250_interrupt
[  395.639491] Disabling IRQ #51