[  284.952105] Mirror/redirect action on
[  287.202713] tc (14816) used greatest stack depth: 11672 bytes left
[  301.540546] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1358064533 wd_nsec: 1358064067
[  331.049833] irq 51: nobody cared (try booting with the "irqpoll" option)
[  331.049909] CPU: 0 UID: 0 PID: 12137 Comm: perl Not tainted 6.19.0-rc4-virtme #1 PREEMPT(voluntary) 
[  331.049912] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  331.049913] Call Trace:
[  331.049916]  <IRQ>
[  331.049919]  dump_stack_lvl+0x4d/0x70
[  331.049926]  __report_bad_irq+0x35/0xb8
[  331.049928]  note_interrupt.cold+0x28/0x66
[  331.049929]  handle_irq_event+0x6e/0x80
[  331.049932]  handle_edge_irq+0xbc/0x180
[  331.049934]  __common_interrupt+0x40/0xd0
[  331.049937]  ? __sysvec_apic_timer_interrupt+0x52/0xf0
[  331.049938]  common_interrupt+0x7a/0x90
[  331.049942]  </IRQ>
[  331.049943]  <TASK>
[  331.049943]  asm_common_interrupt+0x26/0x40
[  331.049945] RIP: 0010:_raw_spin_unlock_irqrestore+0x1c/0x30
[  331.049948] 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 b2 e8 00 <74> 01 c3 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 f3 0f
[  331.049949] RSP: 0018:ff5bf79203157d38 EFLAGS: 00000286
[  331.049951] RAX: 00000000ffffffff RBX: ff3e6d02c1e54000 RCX: 0000000000000017
[  331.049952] RDX: ffffffff8fdce9f5 RSI: 0000000000000282 RDI: ffffffff910c1680
[  331.049952] RBP: 0000000000000001 R08: 0000000000000001 R09: ff3e6d02c1eff400
[  331.049953] R10: ff5bf79203157e68 R11: 0000000000000001 R12: ffffffff910c1680
[  331.049953] R13: ff5bf79200355000 R14: ff3e6d02c1eff400 R15: 0000000000000282
[  331.049954]  ? rpm_suspend+0x185/0x5e0
[  331.049958]  uart_write+0xb4/0x270
[  331.049961]  n_tty_write+0x155/0x560
[  331.049963]  ? swake_up_all+0xd0/0xd0
[  331.049966]  file_tty_write.isra.0+0x15b/0x2a0
[  331.049967]  vfs_write+0x258/0x4d0
[  331.049970]  ksys_write+0x73/0xe0
[  331.049971]  do_syscall_64+0xa4/0xfc0
[  331.049973]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  331.049974] RIP: 0033:0x7f2b00ff7c5e
[  331.049976] 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
[  331.049977] RSP: 002b:00007ffc73e3e1c0 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  331.049978] RAX: ffffffffffffffda RBX: 000055d9ba617290 RCX: 00007f2b00ff7c5e
[  331.049978] RDX: 0000000000000001 RSI: 000055d9ba617290 RDI: 0000000000000001
[  331.049979] RBP: 00007ffc73e3e1d0 R08: 0000000000000000 R09: 0000000000000000
[  331.049979] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  331.049979] R13: 000055d9ba5d8010 R14: 0000000000000001 R15: 000055d9ba617290
[  331.049980]  </TASK>
[  331.049981] handlers:
[  331.051080] [<000000002f73f4bf>] serial8250_interrupt
[  331.051108] Disabling IRQ #51