------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.38/net/sched/sch_generic.c:256 dev_watchdog+0x2a0/0x2b0()
Hardware name: UL50Ag              
NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out
Modules linked in: cryptd aes_x86_64 aes_generic binfmt_misc vboxnetadp vboxnetflt vboxdrv parport_pc ppdev snd_hda_codec_hdmi snd_hda_codec_realtek joydev snd_hda_intel snd_hda_codec snd_hwdep arc4 snd_pcm uvcvideo videodev v4l2_compat_ioctl32 iwlagn snd_seq_midi i915 iwlcore mac80211 snd_rawmidi snd_seq_midi_event snd_seq cfg80211 drm_kms_helper snd_timer snd_seq_device drm snd psmouse serio_raw soundcore i2c_algo_bit snd_page_alloc asus_laptop video sparse_keymap lp parport atl1c ahci libahci
Pid: 0, comm: swapper Not tainted 2.6.38-8-generic #42-Ubuntu
Call Trace:
 <IRQ>  [<ffffffff81065cef>] ? warn_slowpath_common+0x7f/0xc0
 [<ffffffff81065de6>] ? warn_slowpath_fmt+0x46/0x50
 [<ffffffff814ef450>] ? dev_watchdog+0x2a0/0x2b0
 [<ffffffff810983ef>] ? tick_program_event+0x1f/0x30
 [<ffffffff8108c701>] ? hrtimer_interrupt+0x121/0x210
 [<ffffffff814ef1b0>] ? dev_watchdog+0x0/0x2b0
 [<ffffffff81074964>] ? call_timer_fn+0x44/0x130
 [<ffffffff814ef1b0>] ? dev_watchdog+0x0/0x2b0
 [<ffffffff81075fb4>] ? run_timer_softirq+0x134/0x280
 [<ffffffff8106d538>] ? __do_softirq+0xa8/0x1c0
 [<ffffffff8100cf1c>] ? call_softirq+0x1c/0x30
 [<ffffffff8100ea45>] ? do_softirq+0x65/0xa0
 [<ffffffff8106d755>] ? irq_exit+0x85/0x90
 [<ffffffff815caec6>] ? do_IRQ+0x66/0xe0
 [<ffffffff815c3213>] ? ret_from_intr+0x0/0x15
 <EOI>  [<ffffffff81360812>] ? arch_local_irq_enable+0xb/0xd
 [<ffffffff8108ec35>] ? sched_clock_idle_wakeup_event+0x15/0x20
 [<ffffffff8136136c>] ? acpi_idle_enter_simple+0xcc/0x102
 [<ffffffff814a3bda>] ? cpuidle_idle_call+0xaa/0x1b0
 [<ffffffff8100a266>] ? cpu_idle+0xa6/0xf0
 [<ffffffff815a9205>] ? rest_init+0x75/0x80
 [<ffffffff81acac8b>] ? start_kernel+0x3f5/0x400
 [<ffffffff81aca388>] ? x86_64_start_reservations+0x132/0x136
 [<ffffffff81aca253>] ? zap_identity_mappings+0x3e/0x41
 [<ffffffff81aca458>] ? x86_64_start_kernel+0xcc/0xdb
---[ end trace 99fc1800acd79b72 ]---