Date: Wed, 31 Oct 2007 08:50:44 -1000 From: Robert Marella <rmarella@gmail.com> To: Doug Barton <dougb@FreeBSD.org> Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org> Subject: Memory issues (was 7.0-BETA1 freeze using portmaster) Message-ID: <20071031085044.06cab487@asus64> In-Reply-To: <4727D5CD.7040900@FreeBSD.org> 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>
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> 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. Since the computer is about 4 years old I am not sure if I want to invest any additional $$ into it but I would suspect either the mother board or CPU as the culprit. I will be willing to test any ideas anyone has but I guess we can close this out as another strange effect of memory. Robert * From the User Guide: Mode DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2 Dual-channel X X X X X X X X
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