From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1NfvBH-0000CB-1s for garchives@archives.gentoo.org; Fri, 12 Feb 2010 13:03:37 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id A96FAE0E5A; Fri, 12 Feb 2010 13:03:11 +0000 (UTC) Received: from mail-vw0-f53.google.com (mail-vw0-f53.google.com [209.85.212.53]) by pigeon.gentoo.org (Postfix) with ESMTP id 894B0E0E5A for ; Fri, 12 Feb 2010 13:03:11 +0000 (UTC) Received: by vws17 with SMTP id 17so521245vws.40 for ; Fri, 12 Feb 2010 05:03:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:from:to:subject:date :user-agent:references:in-reply-to:mime-version:content-type :content-transfer-encoding:message-id; bh=1Y9NLv4Edn/1F1afx5xJHZA8zgo3wUs6qN5bqvxM2dk=; b=wovaYVAtl1W3d5NL7RJRkaRDl82vKoqMIWPoX6wsWQWr08hyM6+FuDH/KnpL1xJioc yDejdduG2jvqHuMw4LDjcHkgVQYXAIyaZVlF07pQjZ6Dpu8S94BzO4O6K0kXBdN9ArRZ zT6TL+FsfBaQw7uci+BU6Gu9ocW44JVcvsha8= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=from:to:subject:date:user-agent:references:in-reply-to:mime-version :content-type:content-transfer-encoding:message-id; b=NlmyIGL509aGfM9CP7Xulw02/WGlStfS3LwyUO6Y2ZgpeF6uA+n3HOkVLtfKBbma7w 8zT/2gUz8Zf+N93UHsyAabbRHR1AL4AABr8DGbHXzwPDsmVSstWFSrE3Kh2ffkyz/Vfr tq536DM0+QWLuSPrwk7qTkzC5ZSFMC1rZF0BA= Received: by 10.220.128.89 with SMTP id j25mr840330vcs.198.1265979790927; Fri, 12 Feb 2010 05:03:10 -0800 (PST) Received: from nazgul.localnet (196-210-238-65.dynamic.isadsl.co.za [196.210.238.65]) by mx.google.com with ESMTPS id 38sm32828401vws.14.2010.02.12.05.03.08 (version=TLSv1/SSLv3 cipher=RC4-MD5); Fri, 12 Feb 2010 05:03:09 -0800 (PST) From: Alan McKinnon To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Ramifications of memtest86 Date: Fri, 12 Feb 2010 15:00:58 +0200 User-Agent: KMail/1.13.0 (Linux/2.6.32-zen6; KDE/4.4.0; x86_64; ; ) References: <20100212085453.GA1207@muc.de> <20100212112221.GA1422@muc.de> <20100212124330.GB1422@muc.de> In-Reply-To: <20100212124330.GB1422@muc.de> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201002121500.59056.alan.mckinnon@gmail.com> X-Archives-Salt: 6e303075-5d4a-4176-b9f6-4c28b0db15d4 X-Archives-Hash: 458da31d83d72eff832f8d7df6a8e922 On Friday 12 February 2010 14:43:30 Alan Mackenzie wrote: > > failures in b11 of 32 bit words. > > > > I'll try unplugging and replugging these. > > No help. :-( > > No matter how I plug in the RAM (4 combinations of 2 sticks into 2 pairs > of slots) it is always b11 which fails and always at an address ending > in (hex) 0 or 8. > > How is this DDR3 Ram organised? Is each stick 64 bits wide, or are they > 32 bits wide, being accessed by the motherboard pairwisely? If the > latter, I would have exected the failure to move to address ....4 and > ....C when I swap the two sticks. Am I being prematurely pessimistic in > thinking the motherboard might be the fault? I strongly suspect a motherboard fault too. What you are describing sounds like an address decoding fault. -- alan dot mckinnon at gmail dot com