[  661.500286] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1338060460 wd_nsec: 1338060320
[  694.683081] irq 51: nobody cared (try booting with the "irqpoll" option)
[  694.683170] CPU: 0 UID: 0 PID: 23903 Comm: perl Not tainted 6.18.0-rc6-virtme #1 PREEMPT(voluntary) 
[  694.683172] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  694.683173] Call Trace:
[  694.683177]  <IRQ>
[  694.683181]  dump_stack_lvl+0x4d/0x70
[  694.683188]  __report_bad_irq+0x35/0xb8
[  694.683190]  note_interrupt.cold+0x28/0x66
[  694.683191]  handle_irq_event+0x6e/0x70
[  694.683194]  handle_edge_irq+0xbc/0x180
[  694.683196]  __common_interrupt+0x40/0xd0
[  694.683200]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  694.683202]  common_interrupt+0x82/0xa0
[  694.683206]  </IRQ>
[  694.683207]  <TASK>
[  694.683207]  asm_common_interrupt+0x26/0x40
[  694.683209] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  694.683212] 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 54 0a e9 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  694.683213] RSP: 0018:ff6d67d7c1477d38 EFLAGS: 00000286
[  694.683215] RAX: 00000000ffffffff RBX: ff22942041f6c000 RCX: 0000000000000017
[  694.683219] RDX: ffffffff93fb9b95 RSI: 0000000000000286 RDI: ffffffff952ad3a0
[  694.683220] RBP: 0000000000000001 R08: 0000000000000001 R09: ff6d67d7c1477e68
[  694.683220] R10: ff22942041ee2800 R11: 0000000000000001 R12: ffffffff952ad3a0
[  694.683221] R13: ff6d67d7c03472a8 R14: ff22942041ee2800 R15: 0000000000000286
[  694.683221]  ? rpm_suspend+0x185/0x5e0
[  694.683226]  uart_write+0xb4/0x270
[  694.683229]  n_tty_write+0x153/0x530
[  694.683232]  ? swake_up_all+0xd0/0xd0
[  694.683233]  file_tty_write.isra.0+0x15b/0x2a0
[  694.683235]  vfs_write+0x258/0x4d0
[  694.683238]  ? __hrtimer_run_queues+0x161/0x2a0
[  694.683240]  ksys_write+0x73/0xe0
[  694.683242]  do_syscall_64+0xa4/0xfd0
[  694.683243]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  694.683245] RIP: 0033:0x7fda45328c5e
[  694.683246] 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
[  694.683247] RSP: 002b:00007fff4cefebd0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  694.683248] RAX: ffffffffffffffda RBX: 000055c7b3fd5140 RCX: 00007fda45328c5e
[  694.683248] RDX: 0000000000000001 RSI: 000055c7b3fd5140 RDI: 0000000000000001
[  694.683249] RBP: 00007fff4cefebe0 R08: 0000000000000000 R09: 0000000000000000
[  694.683249] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  694.683249] R13: 000055c7b3f96010 R14: 0000000000000001 R15: 000055c7b3fd5140
[  694.683250]  </TASK>
[  694.683250] handlers:
[  694.684523] [<000000002a8a3d24>] serial8250_interrupt
[  694.684557] Disabling IRQ #51