[  287.443611] Mirror/redirect action on
[  297.672396] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1502054868 wd_nsec: 1502054193
[  390.098023] irq 51: nobody cared (try booting with the "irqpoll" option)
[  390.098127] CPU: 0 UID: 0 PID: 12137 Comm: perl Not tainted 6.19.0-rc3-virtme #1 PREEMPT(voluntary) 
[  390.098130] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  390.098131] Call Trace:
[  390.098135]  <IRQ>
[  390.098138]  dump_stack_lvl+0x4d/0x70
[  390.098145]  __report_bad_irq+0x35/0xb8
[  390.098147]  note_interrupt.cold+0x28/0x66
[  390.098149]  handle_irq_event+0x6e/0x80
[  390.098152]  handle_edge_irq+0xbc/0x180
[  390.098154]  __common_interrupt+0x40/0xd0
[  390.098156]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  390.098158]  common_interrupt+0x7a/0x90
[  390.098162]  </IRQ>
[  390.098162]  <TASK>
[  390.098163]  asm_common_interrupt+0x26/0x40
[  390.098165] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  390.098168] 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
[  390.098169] RSP: 0018:ff50768608407d38 EFLAGS: 00000286
[  390.098171] RAX: 00000000ffffffff RBX: ff20a43381f00000 RCX: 0000000000000017
[  390.098172] RDX: ffffffff995ce8f5 RSI: 0000000000000282 RDI: ffffffff9a8c1680
[  390.098173] RBP: 0000000000000001 R08: 0000000000000001 R09: ff20a43382fd0400
[  390.098174] R10: ff50768608407e68 R11: 0000000000000001 R12: ffffffff9a8c1680
[  390.098174] R13: ff50768600335000 R14: ff20a43382fd0400 R15: 0000000000000282
[  390.098175]  ? rpm_suspend+0x185/0x5e0
[  390.098179]  uart_write+0xb4/0x270
[  390.098182]  n_tty_write+0x155/0x560
[  390.098184]  ? swake_up_all+0xd0/0xd0
[  390.098187]  file_tty_write.isra.0+0x15b/0x2a0
[  390.098188]  vfs_write+0x258/0x4d0
[  390.098191]  ? __hrtimer_run_queues+0x161/0x2a0
[  390.098193]  ksys_write+0x73/0xe0
[  390.098195]  do_syscall_64+0xa4/0xfc0
[  390.098197]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  390.098198] RIP: 0033:0x7fa1438c7c5e
[  390.098200] 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
[  390.098200] RSP: 002b:00007ffe07f93bf0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  390.098202] RAX: ffffffffffffffda RBX: 000055bf1fcf01e0 RCX: 00007fa1438c7c5e
[  390.098202] RDX: 0000000000000001 RSI: 000055bf1fcf01e0 RDI: 0000000000000001
[  390.098202] RBP: 00007ffe07f93c00 R08: 0000000000000000 R09: 0000000000000000
[  390.098203] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  390.098203] R13: 000055bf1fcb1010 R14: 0000000000000001 R15: 000055bf1fcf01e0
[  390.098204]  </TASK>
[  390.098204] handlers:
[  390.099925] [<00000000b9e081e8>] serial8250_interrupt
[  390.099965] Disabling IRQ #51