[  324.506455] irq 51: nobody cared (try booting with the "irqpoll" option)
[  324.506539] CPU: 0 UID: 0 PID: 1565 Comm: perl Not tainted 6.19.0-rc6-virtme #1 PREEMPT(voluntary) 
[  324.506543] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  324.506544] Call Trace:
[  324.506548]  <IRQ>
[  324.506552]  dump_stack_lvl+0x4d/0x70
[  324.506559]  __report_bad_irq+0x35/0xb8
[  324.506562]  note_interrupt.cold+0x28/0x66
[  324.506564]  handle_irq_event+0x6e/0x80
[  324.506567]  handle_edge_irq+0xbc/0x180
[  324.506570]  __common_interrupt+0x40/0xd0
[  324.506573]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  324.506575]  common_interrupt+0x7a/0x90
[  324.506579]  </IRQ>
[  324.506580]  <TASK>
[  324.506580]  asm_common_interrupt+0x26/0x40
[  324.506583] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  324.506587] 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 a2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  324.506588] RSP: 0018:ff74f306418ebd38 EFLAGS: 00000286
[  324.506591] RAX: 00000000ffffffff RBX: ff3643f541e54000 RCX: 0000000000000017
[  324.506592] RDX: ffffffff9dfcf3f5 RSI: 0000000000000282 RDI: ffffffff9f2c2680
[  324.506593] RBP: 0000000000000001 R08: 0000000000000001 R09: ff3643f541e9f800
[  324.506593] R10: ff74f306418ebe68 R11: 0000000000000001 R12: ffffffff9f2c2680
[  324.506594] R13: ff74f30640355000 R14: ff3643f541e9f800 R15: 0000000000000282
[  324.506595]  ? rpm_suspend+0x185/0x5e0
[  324.506599]  uart_write+0xb4/0x270
[  324.506603]  n_tty_write+0x155/0x560
[  324.506606]  ? swake_up_all+0xd0/0xd0
[  324.506608]  file_tty_write.isra.0+0x15b/0x2a0
[  324.506610]  vfs_write+0x258/0x4d0
[  324.506613]  ? __hrtimer_run_queues+0x161/0x2a0
[  324.506616]  ksys_write+0x73/0xe0
[  324.506618]  do_syscall_64+0xa4/0xfc0
[  324.506620]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  324.506622] RIP: 0033:0x7fcf8008dc5e
[  324.506624] 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
[  324.506625] RSP: 002b:00007ffc046208c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  324.506627] RAX: ffffffffffffffda RBX: 00005622bf8581d0 RCX: 00007fcf8008dc5e
[  324.506627] RDX: 0000000000000001 RSI: 00005622bf8581d0 RDI: 0000000000000001
[  324.506628] RBP: 00007ffc046208d0 R08: 0000000000000000 R09: 0000000000000000
[  324.506628] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  324.506629] R13: 00005622bf819010 R14: 0000000000000001 R15: 00005622bf8581d0
[  324.506630]  </TASK>
[  324.506631] handlers:
[  324.508066] [<00000000ad557f8c>] serial8250_interrupt
[  324.508110] Disabling IRQ #51