Weird network connection problem

Yudong Tian 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 
rtl8139.c? 





> > 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
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