------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x262/0x270()
Hardware name: Aspire 5538     
NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
Modules linked in: cryptd aes_x86_64 aes_generic binfmt_misc ppdev snd_hda_codec_atihdmi snd_hda_codec_realtek joydev rt2870sta(C) rt2800usb arc4 ecb rt2x00usb rt2x00lib uvcvideo iptable_filter snd_hda_intel input_polldev ath9k ip_tables videodev snd_hda_codec mac80211 snd_pcm_oss ath x_tables snd_hwdep snd_seq_dummy snd_seq_oss v4l1_compat amd64_edac_mod psmouse snd_seq_midi snd_rawmidi snd_seq_midi_event lp snd_seq snd_mixer_oss k8temp snd_seq_device v4l2_compat_ioctl32 serio_raw led_class edac_core cfg80211 crc_ccitt i2c_piix4 snd_pcm snd_timer snd soundcore snd_page_alloc shpchp parport r8169 mii video output radeon ttm drm i2c_algo_bit
Pid: 0, comm: swapper Tainted: G         C 2.6.31-14-generic #48-Ubuntu
Call Trace:
 <IRQ>  [<ffffffff8105e788>] warn_slowpath_common+0x78/0xb0
 [<ffffffff8105e81c>] warn_slowpath_fmt+0x3c/0x40
 [<ffffffff8144fde2>] dev_watchdog+0x262/0x270
 [<ffffffff8107cc7b>] ? hrtimer_interrupt+0x13b/0x1d0
 [<ffffffff8144fb80>] ? dev_watchdog+0x0/0x270
 [<ffffffff8106ad0c>] run_timer_softirq+0x16c/0x270
 [<ffffffff8106549d>] __do_softirq+0xbd/0x200
 [<ffffffff810131ec>] call_softirq+0x1c/0x30
 [<ffffffff81014bc5>] do_softirq+0x55/0x90
 [<ffffffff81065205>] irq_exit+0x85/0x90
 [<ffffffff81014100>] do_IRQ+0x70/0xe0
 [<ffffffff81012a13>] ret_from_intr+0x0/0x11
 <EOI>  [<ffffffff810356f6>] ? native_safe_halt+0x6/0x10
 [<ffffffff8101a27c>] ? default_idle+0x4c/0xe0
 [<ffffffff810854f9>] ? clockevents_notify+0x49/0xa0
 [<ffffffff8101a3aa>] ? c1e_idle+0x9a/0x120
 [<ffffffff81010e12>] ? cpu_idle+0xb2/0x100
 [<ffffffff815239f6>] ? start_secondary+0xa9/0xab
---[ end trace 7dc636e0ecb648e1 ]---