[vortex] Strange 3c905c problem [rolf@noxs.nl]

Donald Becker becker@scyld.com
Sat Jun 22 09:21:01 2002


On Sat, 22 Jun 2002, Rolf wrote:
> On 2002.06.22 05:09 Donald Becker wrote:
> > On Fri, 21 Jun 2002, Rolf wrote:
> >
> > > I run a server with a Asus A7V266-e motherboard and 3c905c network card
> > > and kernel 2.4.18.
> > > Everything works fine when using a 10Mbs connection. When I switch to a
> > > 100Mbs connection traffic from the server works fine, but as soon as I
> > try
> > > to download something to the server the network connection stops
> > > completely (no traffic in or out). When I stop the download the
> > connection
> > > starts functioning again after a few seconds.

That might mean the driver is automatically recovering from an error.
There should be a logged error message when this happens.

> > Any errors reported in /proc/net/dev?
> Now running at 10Mbs, and i have no phisical access to the server during
> the weekend, thus I can't switch to 100Mbs

Check the error counts while running at 100Mbps.

> > My first guess is that you have a duplex mismatch and out-of-window
> > collisions.
>
> The problem accists at 100baseTx-HD and 100baseTx-FD autonegotiation works
> fine with the switch.

OK, then most errors are be caused by cable problems, usually mispairing.

-- 
Donald Becker				becker@scyld.com
Scyld Computing Corporation		http://www.scyld.com
410 Severn Ave. Suite 210		Second Generation Beowulf Clusters
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