[  458.653115] irq 51: nobody cared (try booting with the "irqpoll" option)
[  458.653191] CPU: 0 UID: 0 PID: 12577 Comm: perl Not tainted 6.19.0-rc2-virtme #1 PREEMPT(voluntary) 
[  458.653194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  458.653195] Call Trace:
[  458.653198]  <IRQ>
[  458.653202]  dump_stack_lvl+0x4d/0x70
[  458.653209]  __report_bad_irq+0x35/0xb8
[  458.653211]  note_interrupt.cold+0x28/0x66
[  458.653212]  handle_irq_event+0x6e/0x80
[  458.653215]  handle_edge_irq+0xbc/0x180
[  458.653218]  __common_interrupt+0x40/0xd0
[  458.653220]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  458.653223]  common_interrupt+0x7a/0x90
[  458.653226]  </IRQ>
[  458.653227]  <TASK>
[  458.653227]  asm_common_interrupt+0x26/0x40
[  458.653229] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  458.653233] 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
[  458.653235] RSP: 0018:ff7a5cbcc0e77d38 EFLAGS: 00000286
[  458.653237] RAX: 00000000ffffffff RBX: ff3091c0c1d80000 RCX: 0000000000000017
[  458.653238] RDX: ffffffff841ce935 RSI: 0000000000000282 RDI: ffffffff854c0680
[  458.653239] RBP: 0000000000000001 R08: 0000000000000001 R09: ff3091c0c4000800
[  458.653239] R10: ff7a5cbcc0e77e68 R11: 0000000000000001 R12: ffffffff854c0680
[  458.653240] R13: ff7a5cbcc0345000 R14: ff3091c0c4000800 R15: 0000000000000282
[  458.653241]  ? rpm_suspend+0x185/0x5e0
[  458.653246]  uart_write+0xb4/0x270
[  458.653249]  n_tty_write+0x155/0x560
[  458.653252]  ? swake_up_all+0xd0/0xd0
[  458.653254]  file_tty_write.isra.0+0x15b/0x2a0
[  458.653256]  vfs_write+0x258/0x4d0
[  458.653260]  ? __hrtimer_run_queues+0x161/0x2a0
[  458.653262]  ksys_write+0x73/0xe0
[  458.653264]  do_syscall_64+0xa4/0xfc0
[  458.653266]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  458.653267] RIP: 0033:0x7f7911cfbc5e
[  458.653269] 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
[  458.653270] RSP: 002b:00007fffb4c6c560 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  458.653271] RAX: ffffffffffffffda RBX: 000055d43fb101b0 RCX: 00007f7911cfbc5e
[  458.653271] RDX: 0000000000000001 RSI: 000055d43fb101b0 RDI: 0000000000000001
[  458.653272] RBP: 00007fffb4c6c570 R08: 0000000000000000 R09: 0000000000000000
[  458.653272] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  458.653272] R13: 000055d43fad1010 R14: 0000000000000001 R15: 000055d43fb101b0
[  458.653273]  </TASK>
[  458.653274] handlers:
[  458.654571] [<000000009bd64f0e>] serial8250_interrupt
[  458.654600] Disabling IRQ #51