[40403.008008] ------------[ cut here ]------------
[40403.008016] WARNING: at /build/buildd/linux-3.5.0/net/sched/sch_generic.c:255 dev_watchdog+0x1ef/0x200()
[40403.008018] Hardware name: System Product Name
[40403.008020] NETDEV WATCHDOG: eth0 (forcedeth): transmit queue 0 timed out
[40403.008021] Modules linked in: snd_hrtimer parport_pc ppdev binfmt_misc tda1004x saa7134_dvb videobuf_dvb dvb_core saa7134_alsa snd_hda_codec_hdmi snd_hda_codec_realtek tda827x kvm_intel kvm tda8290 tuner microcode dm_multipath scsi_dh saa7134 snd_seq_midi snd_rawmidi rc_core videobuf_dma_sg videobuf_core v4l2_common videodev tveeprom snd_hda_intel snd_hda_codec snd_hwdep snd_seq_midi_event snd_pcm snd_seq serio_raw snd_timer snd_seq_device nvidia(PO) snd asus_atk0110 soundcore mac_hid snd_page_alloc coretemp nv_tco i2c_nforce2 hwmon_vid lp parport hid_generic firewire_ohci usbhid firewire_core hid crc_itu_t pata_amd forcedeth sata_nv dm_raid45 xor dm_mirror dm_region_hash dm_log
[40403.008067] Pid: 0, comm: swapper/0 Tainted: P           O 3.5.0-18-generic #29-Ubuntu
[40403.008068] Call Trace:
[40403.008074]  [<c10447f2>] warn_slowpath_common+0x72/0xa0
[40403.008077]  [<c14f50cf>] ? dev_watchdog+0x1ef/0x200
[40403.008079]  [<c14f50cf>] ? dev_watchdog+0x1ef/0x200
[40403.008082]  [<c10448c3>] warn_slowpath_fmt+0x33/0x40
[40403.008085]  [<c14f50cf>] dev_watchdog+0x1ef/0x200
[40403.008091]  [<c14f4ee0>] ? dev_graft_qdisc+0x70/0x70
[40403.008093]  [<c105487f>] run_timer_softirq+0xff/0x2b0
[40403.008096]  [<c14f4ee0>] ? dev_graft_qdisc+0x70/0x70
[40403.008099]  [<c104caf7>] __do_softirq+0x87/0x180
[40403.008102]  [<c104ca70>] ? local_bh_enable_ip+0x90/0x90
[40403.008103]  <IRQ>  [<c104ce45>] ? irq_exit+0x95/0xa0
[40403.008109]  [<c15d1cee>] ? smp_apic_timer_interrupt+0x5e/0x8d
[40403.008112]  [<c10901e5>] ? ktime_get+0x65/0xf0
[40403.008115]  [<c15cad75>] ? apic_timer_interrupt+0x31/0x38
[40403.008118]  [<c14900e0>] ? stripe_status+0x1f0/0x1f0
[40403.008121]  [<c1017e28>] ? mwait_idle+0x78/0x1b0
[40403.008123]  [<c1018716>] ? cpu_idle+0xb6/0xe0
[40403.008126]  [<c15a0c35>] ? rest_init+0x5d/0x68
[40403.008130]  [<c18b09be>] ? start_kernel+0x35d/0x363
[40403.008132]  [<c18b04ed>] ? do_early_param+0x80/0x80
[40403.008135]  [<c18b0303>] ? i386_start_kernel+0xa6/0xad
[40403.008136] ---[ end trace 9bbdb5ef499b4489 ]---