Weird network connection problem
yudong at hsb.gsfc.nasa.gov
Tue Oct 1 15:45:39 EDT 2002
> > We've got 200 nodes running, with each node having a
> Biostar MB with a
> > built-in Realtek 8192
> > NIC chip, and running RH 7.2, 2.4-17.
> Which driver, including version number, are you running?
To be precise, the kernel is 2.4.7-10, the driver is
the default 8139too.o. Do you think I should try
> > Recently we've seen a weird problem with the network connection to
> > some of these nodes. About 20 of them will lose their network
> > connections during the course of a few hours to a few days. And if I
> > just unplug the network cable from such a node and plug it back in
> > right away, the connection will come back up.
> Normally this would be a driver problem...
> > Any insight where we should look for the problem: hardware? BIOS?
> > Driver module? Such a problem does not happen to any nodes
> > randomly. It only occurs to those 20 or so particular nodes, which are
> > identical to others except their MAC addrs.
> But this does hint at a hardware problem.
> Donald Becker becker at scyld.com
> Scyld Computing Corporation http://www.scyld.com
> 410 Severn Ave. Suite 210 Second Generation Beowulf Clusters
> Annapolis MD 21403 410-990-9993
Beowulf mailing list, Beowulf at beowulf.org
To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
More information about the Beowulf