------------[ cut here ]------------
WARNING: at /build/buildd/linux-2.6.31/net/sched/sch_generic.c:246 dev_watchdog+0x1f6/0x210()
Hardware name: Cantiga & ICH9M Chipset                                         
NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
Modules linked in: binfmt_misc joydev snd_hda_codec_intelhdmi snd_hda_codec_realtek ppdev psmouse serio_raw lp parport snd_hda_intel snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm uvcvideo videodev v4l1_compat snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device snd soundcore iptable_filter snd_page_alloc ip_tables x_tables fbcon tileblit font bitblit softcursor usb_storage r8169 mii i915 drm i2c_algo_bit video output intel_agp agpgart
Pid: 1961, comm: firefox Not tainted 2.6.31-14-generic-pae #48-Ubuntu
Call Trace:
 [<c0146a1d>] warn_slowpath_common+0x6d/0xa0
 [<c04b60c6>] ? dev_watchdog+0x1f6/0x210
 [<c04b60c6>] ? dev_watchdog+0x1f6/0x210
 [<c0146a96>] warn_slowpath_fmt+0x26/0x30
 [<c04b60c6>] dev_watchdog+0x1f6/0x210
 [<c0159efb>] ? insert_work+0x5b/0xa0
 [<c0128098>] ? default_spin_lock_flags+0x8/0x10
 [<c057655a>] ? _spin_lock_irqsave+0x2a/0x40
 [<c015a291>] ? __queue_work+0x31/0x40
 [<c01520d7>] run_timer_softirq+0x117/0x200
 [<c016c045>] ? tick_dev_program_event+0x45/0xe0
 [<c04b5ed0>] ? dev_watchdog+0x0/0x210
 [<c014cc40>] __do_softirq+0x90/0x1a0
 [<c0161e83>] ? hrtimer_interrupt+0x183/0x210
 [<c014cd8d>] do_softirq+0x3d/0x40
 [<c014cecd>] irq_exit+0x5d/0x70
 [<c011ddc7>] smp_apic_timer_interrupt+0x57/0x90
 [<c0103d71>] apic_timer_interrupt+0x31/0x40
---[ end trace 60cb019dfcf77c46 ]---