[  257.079350][ T1108] veth1: left promiscuous mode
[  262.758913][ T1136] GACT probability NOT on
[  265.600463][ T1309] Mirror/redirect action on
[  331.769595][    C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1374030598 wd_nsec: 1374030670
[  400.018946][    C0] irq 51: nobody cared (try booting with the "irqpoll" option)
[  400.019312][    C0] CPU: 0 UID: 0 PID: 1041 Comm: perl Not tainted 6.19.0-rc1-virtme #1 PREEMPT(full) 
[  400.019317][    C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[  400.019318][    C0] Call Trace:
[  400.019320][    C0]  <IRQ>
[  400.019322][    C0]  dump_stack_lvl+0x6f/0xa0
[  400.019332][    C0]  __report_bad_irq+0x66/0x161
[  400.019337][    C0]  note_interrupt.cold+0x21/0xe7
[  400.019339][    C0]  ? serial8250_get_port+0x50/0x50
[  400.019344][    C0]  ? poll_spurious_irqs+0x140/0x140
[  400.019351][    C0]  handle_irq_event+0x166/0x1c0
[  400.019354][    C0]  handle_edge_irq+0x2ec/0x880
[  400.019359][    C0]  __common_interrupt+0xae/0x270
[  400.019362][    C0]  ? __sysvec_apic_timer_interrupt+0x15f/0x3d0
[  400.019367][    C0]  common_interrupt+0xb0/0xf0
[  400.019371][    C0]  </IRQ>
[  400.019372][    C0]  <TASK>
[  400.019373][    C0]  asm_common_interrupt+0x26/0x40
[  400.019376][    C0] RIP: 0010:_raw_spin_unlock_irqrestore+0x36/0x80
[  400.019380][    C0] Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 51 87 df fd 48 89 df e8 b9 d8 df fd f7 c5 00 02 00 00 75 1f 9c 58 f6 c4 02 75 2f <bf> 01 00 00 00 e8 f0 2e d3 fd 65 8b 05 c9 f1 05 02 85 c0 74 12 5b
[  400.019382][    C0] RSP: 0018:ffa00000024bfa70 EFLAGS: 00000246
[  400.019385][    C0] RAX: 0000000000000082 RBX: ffffffffaab8b520 RCX: ffffffffa7aeae73
[  400.019387][    C0] RDX: ff11000004a58040 RSI: ffffffffa83b3844 RDI: ffffffffa7e6ad00
[  400.019388][    C0] RBP: 0000000000000282 R08: 0000000000000000 R09: 0000000000000001
[  400.019389][    C0] R10: 0000000000000000 R11: 0000000000000001 R12: ffffffffaab8b628
[  400.019389][    C0] R13: 0000000000000001 R14: ffffffffaab8b660 R15: ff11000008ca1c00
[  400.019393][    C0]  ? _raw_spin_unlock_irqrestore+0x53/0x80
[  400.019398][    C0]  uart_write+0x21d/0x940
[  400.019403][    C0]  process_output_block+0x117/0x6e0
[  400.019409][    C0]  n_tty_write+0x3a8/0x8f0
[  400.019411][    C0]  ? _copy_from_iter+0x1b6/0x1580
[  400.019417][    C0]  ? n_tty_receive_signal_char+0x110/0x110
[  400.019419][    C0]  ? _mutex_trylock_nest_lock+0x21a/0x340
[  400.019422][    C0]  ? __init_waitqueue_head+0x160/0x160
[  400.019426][    C0]  ? lock_acquire.part.0+0xbc/0x260
[  400.019428][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  400.019433][    C0]  iterate_tty_write+0x27d/0x550
[  400.019437][    C0]  ? tty_ldisc_ref_wait+0x28/0x80
[  400.019440][    C0]  file_tty_write.isra.0+0x1a2/0x240
[  400.019443][    C0]  ? redirected_tty_write+0xd0/0xd0
[  400.019445][    C0]  new_sync_write+0x308/0x6f0
[  400.019448][    C0]  ? new_sync_read+0x3bb/0x6f0
[  400.019452][    C0]  ? new_sync_read+0x6f0/0x6f0
[  400.019453][    C0]  ? generic_atomic_write_valid+0x150/0x150
[  400.019457][    C0]  ? __lock_release.isra.0+0x59/0x170
[  400.019464][    C0]  vfs_write+0x65e/0xbb0
[  400.019467][    C0]  ? vfs_read+0x3cc/0x790
[  400.019471][    C0]  ksys_write+0xff/0x200
[  400.019474][    C0]  ? __ia32_sys_read+0xc0/0xc0
[  400.019477][    C0]  ? rcu_is_watching+0x15/0xd0
[  400.019481][    C0]  do_syscall_64+0xbd/0xfc0
[  400.019484][    C0]  entry_SYSCALL_64_after_hwframe+0x4b/0x53
[  400.019486][    C0] RIP: 0033:0x7f0a8811bc5e
[  400.019490][    C0] 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
[  400.019491][    C0] RSP: 002b:00007ffca97e2640 EFLAGS: 00000202 ORIG_RAX: 0000000000000001
[  400.019493][    C0] RAX: ffffffffffffffda RBX: 000055e5dabde360 RCX: 00007f0a8811bc5e
[  400.019494][    C0] RDX: 0000000000000001 RSI: 000055e5dabde360 RDI: 0000000000000001
[  400.019495][    C0] RBP: 00007ffca97e2650 R08: 0000000000000000 R09: 0000000000000000
[  400.019495][    C0] R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001
[  400.019496][    C0] R13: 000055e5dab9f010 R14: 0000000000000001 R15: 000055e5dabde360
[  400.019502][    C0]  </TASK>
[  400.019503][    C0] handlers:
[  400.029411][    C0] [<ffffffffa6acb420>] serial8250_interrupt
[  400.029994][    C0] Disabling IRQ #51
[  405.051496][ T1737] tc (1737) used greatest stack depth: 24000 bytes left