From owner-freebsd-questions@FreeBSD.ORG Fri Aug 8 14:32:47 2014 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 1DFA56C2 for ; Fri, 8 Aug 2014 14:32:47 +0000 (UTC) Received: from mail.pchotshots.com (mail.pchotshots.com [12.172.123.237]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 36ABF29EF for ; Fri, 8 Aug 2014 14:32:45 +0000 (UTC) Received: (qmail 33488 invoked by uid 89); 8 Aug 2014 14:31:43 -0000 Received: from unknown (HELO ?12.172.123.228?) (bmettee@pchotshots.com@12.172.123.228) by mail.pchotshots.com with ESMTPA; 8 Aug 2014 14:31:43 -0000 Message-ID: <53E4DEB7.7070902@pchotshots.com> Date: Fri, 08 Aug 2014 10:29:11 -0400 From: Brad Mettee User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 MIME-Version: 1.0 To: David Benfell Subject: Re: it keeps crashing and I don't know why References: <20140808132735.GA2102@home.parts-unknown.org> <524f159823ff336519ca97c9b2b57bed@mhoenicka.de> <20140808135357.GA392@home.parts-unknown.org> <809311aa7e3c0e025ffd98fc1bd0f209@mhoenicka.de> In-Reply-To: <809311aa7e3c0e025ffd98fc1bd0f209@mhoenicka.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Aug 2014 14:32:47 -0000 On 8/8/2014 10:00 AM, Markus Hoenicka wrote: > At 2014-08-08 15:53, David Benfell was heard to say: >> On Fri, Aug 08, 2014 at 03:34:31PM +0200, Markus Hoenicka wrote: >>> >>> Are you sure the hardware is ok? >> >> No, I'm not sure. But if (see below) you think the memory is bad, it >> seems to me that some Linux live CDs at least used to include a memory >> test. >> >>> I'd first stick in a live CD or thumb >>> drive of whatever OS you can get hold of and see what happens before >>> blaming FreeBSD for these failures. Bad memory may cause similar >>> symptoms. >> >> Anything else I can reasonably test while I"m on that live CD? > > Well, if memory corruption is a possible source of your problems, > you'd better run memtest as Maxim suggested. Some Linux live CDs > contain it anyway, see e.g. Knoppix. > > regards, > Markus > You can also download bootable versions of Memtest. Burn it to a CD or push the image to a flash drive. In either case, it contains a mini-os to make the media boot and run, without need for an actual OS to be present on the system. When I do testing, I use this one: http://www.memtest.org/ There is also another free one, based on same code but forked some time ago: http://www.memtest86.com/download.htm -- Brad Mettee PC HotShots, Inc.