From owner-freebsd-stable@FreeBSD.ORG Thu Jul 1 16:15:54 2010 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 4AF641065673 for ; Thu, 1 Jul 2010 16:15:54 +0000 (UTC) (envelope-from jdc@koitsu.dyndns.org) Received: from qmta04.westchester.pa.mail.comcast.net (qmta04.westchester.pa.mail.comcast.net [76.96.62.40]) by mx1.freebsd.org (Postfix) with ESMTP id E2DEA8FC3C for ; Thu, 1 Jul 2010 16:15:53 +0000 (UTC) Received: from omta13.westchester.pa.mail.comcast.net ([76.96.62.52]) by qmta04.westchester.pa.mail.comcast.net with comcast id ccSM1e00617dt5G54gFuGy; Thu, 01 Jul 2010 16:15:54 +0000 Received: from koitsu.dyndns.org ([98.248.46.159]) by omta13.westchester.pa.mail.comcast.net with comcast id cgFs1e00U3S48mS3ZgFtoj; Thu, 01 Jul 2010 16:15:54 +0000 Received: by icarus.home.lan (Postfix, from userid 1000) id 96D939B425; Thu, 1 Jul 2010 09:15:51 -0700 (PDT) Date: Thu, 1 Jul 2010 09:15:51 -0700 From: Jeremy Chadwick To: GNUbie Message-ID: <20100701161551.GA99011@icarus.home.lan> References: <4C280435.4060603@halplant.com> <4C2CBC30.4060504@ionic.co.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.20 (2009-06-14) Cc: michal@ionic.co.uk, freebsd-stable@freebsd.org Subject: Re: Unable to boot FreeBSD 8.0-p3 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 01 Jul 2010 16:15:54 -0000 On Fri, Jul 02, 2010 at 12:06:06AM +0800, GNUbie wrote: > Hello Michal, > > On Fri, Jul 2, 2010 at 12:02 AM, Michal wrote: > > > >> I am currently running memtest86 here on my livecd. If there is no > >> error, then this could be something else. > > > > I've seen memtest pass but it still be a RAM problem. > > So, what can you recommend in order to confirm if the RAM is faulty or not? Simple: replace the RAM, file for an RMA, etc.. If there's no warranty or the warranty has expired and you need brand recommendations for a new purchase: Crucial is excellent, avoid Corsair at all costs. There is no software-based RAM tester available for PC architecture that can stress-test RAM 100% reliably. Proper memory analysers are almost always hardware and do a multitude of tests (hard and soft failures, ECC analysis, voltage regulator stress tests, and thermal stress tests). An old job of mine required me to use one of these on a daily basis, testing for bad RAM from Sun IPC/IPX and UltraSparc boxes. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |