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RE: [2.6.x] e1000: NETDEV WATCHDOG: eth0: transmit timed out


> since we have upgraded cabling on our network and transfer 
> speeds increased a little bit, we are experiencing very often 
> situations where the Intel PRO/1000 nics just stop responding 
> and network dies for a while. Local console works, there are 
> no more error messages other than (when the eth0 comes to a 
> life again):
> 
> NETDEV WATCHDOG: eth0: transmit timed out
> e1000: eth0 NIC Link is Up 1000 Mbps Full Duplex

Petr, I need you to try something.  Get ethtool 1.8
(sf.net/projects/gkernel) and turn off TSO:

  # ethtool -K eth0 tso off

If you now longer see NETDEV WATCHDOG's, I have a next step.  More on
that later.

-scott
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