Marc Zucchelli on 28 Mar 2007 14:25:00 -0000


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[PLUG] Netdev Watchdog trasmit timed out, eth0 down.....my server was down, what do these messages mean?


I was not able to ping my server this morning.  I sent a reboot request to the datacenter.  Unsure of where to begin investigating, I looked in /var/log/messages and I see these lines over and over again:

Mar 28 00:32:53 localhost kernel: NETDEV WATCHDOG: eth0: transmit timed out
Mar 28 00:32:53 localhost kernel: tg3: eth0: Link is down.
Mar 28 00:32:55 localhost kernel: tg3: eth0: Link is up at 10 Mbps, full duplex.
Mar 28 00:32:55 localhost kernel: tg3: eth0: Flow control is off for TX and off for RX.
Mar 28 00:42:02 localhost kernel: APIC error on CPU0: 40(40)

Has anybody seen this before?  Would this be the reason I wasn't able to ping the server?  What is Netdev Watchdog?  What could be causing this problem?  What do I need to do to get to the bottom of it and fix the underlying problem?

Separatly, I am seeing the APIC error on CPU0: 40(40) message every few hours up until the beginning of the /var/log/messages file, which is March 25th.  The server has been up since then, I'm sure that message isn't a big deal, or is it?

Thanks.


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