Date: Sat, 24 Jan 2004 19:02:11 -0800 (PST) From: Matthew Dillon <dillon@apollo.backplane.com> To: Max Laier <max@love2party.net> Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: XL driver checksum producing corrupted but checksum-correct packets Message-ID: <200401250302.i0P32BON039881@apollo.backplane.com> References: <Pine.NEB.3.96L.1040124104814.297K-100000@fledge.watson.org> <200401241739.51107.max@love2party.net>
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Well, I tried to tcpdump a session. I managed to hit the error three
times but in all three cases the tcpdump on the server dropped the
particular packet I was looking for. I'm only able to get a 70%
retention rate in the tcpdump output on the server... its just trying
to record too much for the machine to handle at the rate the NFS requests
are coming in.
I'm going to give up trying to characterize the corruption for now.
It could very well be the PCI latency timer as previously discussed
but I can't test that right now.
-Matt
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