Date: Sat, 10 May 2003 23:12:40 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Glenn Johnson <glennpj@charter.net> Cc: freebsd-current@freebsd.org Subject: Re: data corruption with DISABLE_PSE+DISABLE_PG_G: unrelated Message-ID: <91596.1052601160@critter.freebsd.dk> In-Reply-To: Your message of "Sat, 10 May 2003 16:09:10 CDT." <20030510210909.GA10081@gforce.johnson.home>
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In message <20030510210909.GA10081@gforce.johnson.home>, Glenn Johnson writes: >I recently set up 6 AMD AthlonMP-2400+ systems, each with dual >processors. I put Corsair memory (256MB) in them which I feel is a >good brand. On two of the systems, I had to underclock them to get >them stable. They went from 2400+ to 2100+, I forget what the exact >clock speeds are. I was getting memory errors at "normal" speed. >The machines would core dump on certain processes and it was very >reproducible. In light of this discussion, I am wondering if I add the >two kernel options under discussion if I could bring those machines back >up to their rated speeds and have them be stable. Any thoughts on that? When I got my dual AthlonMP system, I had a hell of a time getting it stable. There were one particular stick of RAM it just would run with. I tried underclocking, extra cooling, rearranging ram sticks you name it, but always the same result. Then I flashed to the latest BIOS, and it's been stable as a rock since then. The BIOS update had no mention of anthing even remotely in that area. So, if nothing else, make sure you have your BIOS up to date. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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