On Fri, Apr 09, 1999 at 12:05:00PM -0400, Paul H. Anderson wrote:
> 
> Has anyone seen this on alphas or other platforms?  Does anyone have
> reasonable suggestions for other things to try?  Mike has been looking at
> driver errors, and we seem to be seeing CRC errors on 1 in about every 20
> packets.  No clue if this is normal or not.

This is certainly not normal !

> 
> Am I having problems with full vs half duplex?  How do I check?

Maybe. 'ifconfig -a' will tell you which media is used.
Are your machines connected throuh a HUB or a switch ?

> 
> All of the machines report:
> de0: abnormal interrupt: transmit underflow (raising TX threshold to 96|256)
> de0: abnormal interrupt: transmit underflow (raising TX threshold to 128|512)
> de0: abnormal interrupt: transmit underflow (raising TX threshold to 160|1024)
> 
> somewhere near boot time.  Dunno if this is related or not.

I get this on my PCs too, but it doesn't seem to hurt performances
once the threshold has been raised enouth.

--
Manuel Bouyer <bouyer@antioche.eu.org>
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