[   26.211218] eth0: Media Link Off
[   26.211403] ADDRCONF(NETDEV_UP): eth0: link is not ready
[  177.243400] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[  181.900497] ------------[ cut here ]------------
[  181.900505] WARNING: at /build/buildd/linux-2.6.28/net/sched/sch_generic.c:226 dev_watchdog+0x219/0x230()
[  181.900510] NETDEV WATCHDOG: eth0 (sis900): transmit timed out
[  181.900513] Modules linked in: binfmt_misc ppdev bridge stp bnep lp parport snd_intel8x0 snd_ac97_codec ac97_bus snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_dummy snd_seq_oss snd_seq_midi snd_rawmidi snd_seq_midi_event snd_seq snd_timer snd_seq_device pcspkr btusb snd usblp soundcore snd_page_alloc sis_agp i2c_sis96x agpgart shpchp usbhid sis900 mii fbcon tileblit font bitblit softcursor
[  181.900584] Pid: 0, comm: swapper Not tainted 2.6.28-11-generic #38-Ubuntu
[  181.900588] Call Trace:
[  181.900605]  [<c0139ab0>] warn_slowpath+0x60/0x80
[  181.900615]  [<c012c6fc>] ? enqueue_entity+0x13c/0x360
[  181.900621]  [<c0132131>] ? enqueue_task_fair+0x31/0x70
[  181.900626]  [<c012c6fc>] ? enqueue_entity+0x13c/0x360
[  181.900633]  [<c02cb03d>] ? strlcpy+0x1d/0x60
[  181.900642]  [<c0431682>] ? netdev_drivername+0x32/0x40
[  181.900648]  [<c04461d9>] dev_watchdog+0x219/0x230
[  181.900657]  [<c01568f3>] ? getnstimeofday+0x53/0x110
[  181.900664]  [<c0502fc6>] ? _spin_lock_irq+0x16/0x20
[  181.900669]  [<c0152237>] ? run_hrtimer_pending+0x117/0x170
[  181.900677]  [<c0143b00>] run_timer_softirq+0x130/0x200
[  181.900683]  [<c0445fc0>] ? dev_watchdog+0x0/0x230
[  181.900688]  [<c0445fc0>] ? dev_watchdog+0x0/0x230
[  181.900696]  [<c013f197>] __do_softirq+0x97/0x170
[  181.900702]  [<c01554ef>] ? profile_tick+0x4f/0x90
[  181.900707]  [<c013f2cd>] do_softirq+0x5d/0x60
[  181.900712]  [<c013f445>] irq_exit+0x55/0x90
[  181.900719]  [<c011a07b>] smp_apic_timer_interrupt+0x5b/0x90
[  181.900726]  [<c0105318>] apic_timer_interrupt+0x28/0x30
[  181.900733]  [<c0121f75>] ? native_safe_halt+0x5/0x10
[  181.900738]  [<c010afcd>] default_idle+0x5d/0x60
[  181.900742]  [<c010285d>] cpu_idle+0x6d/0xd0
[  181.900751]  [<c04f149e>] rest_init+0x4e/0x60
[  181.900756] ---[ end trace 10226ef5a40495d0 ]---
[  181.900763] eth0: Transmit timeout, status 00000004 00000000 
[  182.241425] eth0: Media Link On 100mbps full-duplex 
[  188.100792] eth0: no IPv6 routers present
[  193.241465] eth0: Media Link Off
[  202.901473] eth0: Transmit timeout, status 00000004 00000000 
[  203.242354] eth0: Media Link On 100mbps full-duplex