Date: Wed, 31 Oct 2007 09:00:39 -1000 From: Clifton Royston <cliftonr@lava.net> To: Robert Marella <rmarella@gmail.com> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Re: Memory issues (was 7.0-BETA1 freeze using portmaster) Message-ID: <20071031190038.GA16704@lava.net> In-Reply-To: <20071031085044.06cab487@asus64> References: <20071029093611.1ec829bc@p4> <alpine.BSF.0.9999.0710292253490.40215@qbhto.arg> <20071030072253.6e3ea6b0@p4> <alpine.BSF.0.9999.0710301114280.43895@qbhto.arg> <20071030150103.358629d5@asus64> <4727D5CD.7040900@FreeBSD.org> <20071031085044.06cab487@asus64>
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On Wed, Oct 31, 2007 at 08:50:44AM -1000, Robert Marella wrote: > > Robert Marella wrote: > > > > > It is looking like a hardware problem. I update portmaster to 1.24 > > > and it didn't help. When I tried with the -B option it froze in a > > > different place. I then csup the latest source rm'd /usr/obj and > > > attempted a buildworld. > > > > > > Lo and behold it froze up. It has been very hot the last few days > > > here in Kona but all the fans seem to pulling good air. I am now > > > running memtest and will let you know what I find. > > > > This is for the archives and to see if any hardware guru out there has > some helpful knowledge. > > This computer has a ASUS P4P800 mobo with 2Gig of ram (4x500M). Memtest > failed within minutes. I then ran each memory module one at a time and > each ran without failures no matter which socket it was in. > > Further tests showed that memory tests failed only when I had 2 or 4 > modules configured as dual channel *. The system is now running flawless > with 3 modules (1.5G) installed which forces single channel operation. > Again, the 3 modules can be in any sockets. I could be wrong but IIRC, some MBs of that era require very specific DIMM timing parameters and/or require "registered" (buffered) DIMMs when populating all slots for dual-channel operation. Usually they are more tolerant when running only a single bank or not running in dual-channel. If you can find the manual, you might want to check that possibility. -- Clifton -- Clifton Royston -- cliftonr@iandicomputing.com / cliftonr@lava.net President - I and I Computing * http://www.iandicomputing.com/ Custom programming, network design, systems and network consulting services
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