From: Joe Korty <[EMAIL PROTECTED]>
Date: Wed, 23 Nov 2005 16:01:24 -0500

>    Then, a following ifdown/ifup with an intervening sleep let another 6 files
>    through before locking up.

This means the e1000 card's transmitter is wedging when using
TSO scatter-gather packet buffers.

There are some bugs the e1000 card has wrt. TSO, but all the necessary
workarounds for that should be in the current 2.6.x e1000 driver.  You
can try experimenting with "ethtool -K tso off" to disable TSO and see
if that makes the problem go away.
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