[  610.118302] irq 51: nobody cared (try booting with the "irqpoll" option)
[  610.118395] CPU: 0 UID: 0 PID: 22364 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(voluntary) 
[  610.118398] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  610.118399] Call Trace:
[  610.118404]  <IRQ>
[  610.118408]  dump_stack_lvl+0x4d/0x70
[  610.118416]  __report_bad_irq+0x35/0xb8
[  610.118419]  note_interrupt.cold+0x28/0x66
[  610.118421]  handle_irq_event+0x6e/0x80
[  610.118432]  handle_edge_irq+0xbc/0x180
[  610.118435]  __common_interrupt+0x40/0xd0
[  610.118441]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  610.118443]  common_interrupt+0x7a/0x90
[  610.118448]  </IRQ>
[  610.118448]  <TASK>
[  610.118449]  asm_common_interrupt+0x26/0x40
[  610.118452] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  610.118455] 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
[  610.118456] RSP: 0018:ff4240eec1c5bd38 EFLAGS: 00000286
[  610.118459] RAX: 00000000ffffffff RBX: ff20fa2a01f28000 RCX: 0000000000000017
[  610.118460] RDX: ffffffff921ce675 RSI: 0000000000000282 RDI: ffffffff934c0680
[  610.118461] RBP: 0000000000000001 R08: 0000000000000001 R09: ff20fa2a04424800
[  610.118461] R10: ff4240eec1c5be68 R11: 0000000000000001 R12: ffffffff934c0680
[  610.118462] R13: ff4240eec034d000 R14: ff20fa2a04424800 R15: 0000000000000282
[  610.118463]  ? rpm_suspend+0x185/0x5e0
[  610.118469]  uart_write+0xb4/0x270
[  610.118472]  n_tty_write+0x155/0x560
[  610.118475]  ? swake_up_all+0xd0/0xd0
[  610.118478]  file_tty_write.isra.0+0x15b/0x2a0
[  610.118479]  vfs_write+0x258/0x4d0
[  610.118483]  ? __hrtimer_run_queues+0x161/0x2a0
[  610.118486]  ksys_write+0x73/0xe0
[  610.118488]  do_syscall_64+0xa4/0xfc0
[  610.118490]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  610.118491] RIP: 0033:0x7f7c7d41ec5e
[  610.118494] 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
[  610.118494] RSP: 002b:00007ffcb90bbe40 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  610.118496] RAX: ffffffffffffffda RBX: 00005593acbd2150 RCX: 00007f7c7d41ec5e
[  610.118497] RDX: 0000000000000001 RSI: 00005593acbd2150 RDI: 0000000000000001
[  610.118497] RBP: 00007ffcb90bbe50 R08: 0000000000000000 R09: 0000000000000000
[  610.118498] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  610.118498] R13: 00005593acb93010 R14: 0000000000000001 R15: 00005593acbd2150
[  610.118500]  </TASK>
[  610.118500] handlers:
[  610.119825] [<000000000e51579a>] serial8250_interrupt
[  610.119855] Disabling IRQ #51