NETDEV WATCHDOG: eth0 (8139too): transmit queue 0 timed out
Modules linked in: rfcomm binfmt_misc sco bnep l2cap parport_pc ppdev snd_hda_codec_si3054 snd_hda_codec_realtek joydev snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi snd_rawmidi i915 snd_seq_midi_event snd_seq snd_timer snd_seq_device acer_wmi r852 iwlcore drm_kms_helper sm_common nand sparse_keymap btusb drm nand_ids snd nand_ecc mac80211 bluetooth mtd soundcore cfg80211 psmouse i2c_algo_bit snd_page_alloc serio_raw video lp parport usbhid hid sdhci_pci firewire_ohci 8139too sdhci 8139cp firewire_core crc_itu_t
Pid: 0, comm: kworker/0:0 Not tainted 2.6.38-7-generic #39-Ubuntu
Call Trace:
 [<c104f912>] ? warn_slowpath_common+0x72/0xa0
 [<c1449d03>] ? dev_watchdog+0x213/0x220
 [<c1449d03>] ? dev_watchdog+0x213/0x220
 [<c104f9e3>] ? warn_slowpath_fmt+0x33/0x40
 [<c1449d03>] ? dev_watchdog+0x213/0x220
 [<c1069151>] ? __queue_work+0xe1/0x360
 [<c105c70b>] ? call_timer_fn+0x2b/0xe0
 [<c1449af0>] ? dev_watchdog+0x0/0x220
 [<c105da49>] ? run_timer_softirq+0xe9/0x1e0
 [<c1449af0>] ? dev_watchdog+0x0/0x220
 [<c1056622>] ? __do_softirq+0x82/0x170
 [<c10565a0>] ? __do_softirq+0x0/0x170
 <IRQ>  [<c10567ed>] ? irq_exit+0x6d/0x80
 [<c151058b>] ? smp_apic_timer_interrupt+0x5b/0x8a
 [<c1509d89>] ? apic_timer_interrupt+0x31/0x38
 [<c10700d8>] ? do_cpu_nanosleep+0x118/0x1b0
 [<c12e8b64>] ? arch_local_irq_enable+0x5/0xb
 [<c12e95d7>] ? acpi_idle_enter_simple+0x105/0x13d
 [<c1405ead>] ? cpuidle_idle_call+0x7d/0x160
 [<c10019ca>] ? cpu_idle+0x8a/0xc0
 [<c1504761>] ? setup_APIC_timer+0x69/0x6d
 [<c15042a5>] ? start_secondary+0xd5/0xdc
---[ end trace b1c11ad2cc7210f1 ]---