[realtek] Oversized Ethernet Frame Problem

Donald Becker becker@scyld.com
Mon, 21 Aug 2000 23:45:49 -0400 (EDT)


On Mon, 21 Aug 2000, David Ogborn wrote:

>    Perusing the archives of the Realtek email list I see that a number of
> people have reported problems similar to what I myself was facing with my
> HT-Link HE-100TX, an ethernet card based on the RealTek 8139B.  
> 
>    After just a little window of activity the interface would report
> receive errors, all something to the effect of "oversized ethernet frame",
> and cease to pass on any of the packets it received.

I believe this occurred on a few pre-2.4 drivers where someone introduced
a bug in the receive ring wrap while trying to fix the "CRC bytes includes in
raw packets" buglet.

Whoever made the change obviously did only the most cursory of functionality
tests before putting the patch into the nominally "almost released" kernel.

>     I thought I would just report to the list that, after trying quite a
> few of the things suggested here, I upgraded to the 2.4.0-test6 (Linux)
> kernel and was pleased to discover that I now have full use of my Ethernet
> card.  YMMV!

Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Beowulf-II Cluster Distribution
Annapolis MD 21403