Date: Sat, 19 Apr 2008 21:49:41 -0400 From: Paul <paul@gtcomm.net> To: Paul Haddad <paul.haddad@gmail.com> Cc: net@freebsd.org Subject: Re: Network Instability when upgrading to 4GB of RAM Message-ID: <480AA135.6070406@gtcomm.net> In-Reply-To: <944074f30804191423v93d1acet9246269e4072d46a@mail.gmail.com> References: <944074f30804191423v93d1acet9246269e4072d46a@mail.gmail.com>
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I had some similar issues for some reason.. Check the output of netstat -m and see if the mbuf clusters in use line if the total is anywhere near the max. Mine was maxing out and causing some very weird problems with no errors in any log anywhere. Paul Haddad wrote: > Hi All, > I've got the below system setup that has so far been very stable when > running with 2GB of RAM. I've recently been attempting to upgrade it to 4GB > of ram (using 4 DIMMs vs the current 2). The problem is that within a few > hours of running with the 4GB config I start getting odd network errors. > There's nothing in the logs, but incoming ssh connections start failing > with errors like (Bad Packet Length) and things like ftp and nfs all fail in > odd ways. > > As far as I can tell the RAM is fine, I've ran it through a few diff RAM > testing utilities and it all comes out fine. I've also successfully run > both sets of DIMMs by themselves, so at least it seems that this isn't a > hardware problem. > > I'd appreciate any suggestions on tracking down the problem, again the logs > don't seem to have any useful info on it. >
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