From owner-freebsd-questions@FreeBSD.ORG Tue May 6 15:59:22 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id DCB7037B401 for ; Tue, 6 May 2003 15:59:22 -0700 (PDT) Received: from rwcrmhc53.attbi.com (rwcrmhc53.attbi.com [204.127.198.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2CE5143F85 for ; Tue, 6 May 2003 15:59:22 -0700 (PDT) (envelope-from freebsd-questions-local@be-well.no-ip.com) Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com[24.147.188.198]) by attbi.com (rwcrmhc53) with ESMTP id <2003050622592105300omcpie>; Tue, 6 May 2003 22:59:21 +0000 Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com [24.147.188.198] (may be forged)) by be-well.ilk.org (8.12.9/8.12.7) with ESMTP id h46MxKTU006802; Tue, 6 May 2003 18:59:20 -0400 (EDT) (envelope-from freebsd-questions-local@be-well.no-ip.com) Received: (from lowell@localhost) by be-well.ilk.org (8.12.9/8.12.6/Submit) id h46MxJpQ006799; Tue, 6 May 2003 18:59:19 -0400 (EDT) X-Authentication-Warning: be-well.ilk.org: lowell set sender to freebsd-questions-local@be-well.ilk.org using -f Sender: lowell@be-well.no-ip.com To: "Andrew Bogecho" References: <1860.132.206.2.68.1051886051.squirrel@mail.cs.mcgill.ca> From: Lowell Gilbert Date: 06 May 2003 18:59:19 -0400 In-Reply-To: <1860.132.206.2.68.1051886051.squirrel@mail.cs.mcgill.ca> Message-ID: <44n0hzptq0.fsf@be-well.ilk.org> Lines: 37 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-questions@freebsd.org Subject: Re: 4.8-RELEASE problems X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 06 May 2003 22:59:23 -0000 "Andrew Bogecho" writes: > I had initially suspected bad interaction with the new raid card so I > removed the card, but still had the same problem when using a local disk. Hmm. Is there any kind of power-saving functionality enabled in the BIOS? > I then run memtest from the ports and got the following errors on the > "first" run: > > Test 15: Walking Ones: Testing... 47 > FAILURE: 0x00020000 != 0x00010000 at offset 0x01efcb30. > Skipping to next test... > Test 16: Walking Zeroes: Testing... 52 > FAILURE: 0xffffefff != 0xfffff7ff at offset 0x0101bbc0. > Skipping to next test... > > But, no errors for any of the continuing runs. Is memory a problem here? That does look suspicious, all right. You could try running memtest again from time to time. > I had initially installed FreeBSD 5.0-RELEASE, that run very well, but nis > and amd would die every 24 hours. As these were "very" necessary services, > I decided to go back to 4.x. On 5.0-RELEASE there were no reboots at all. You could always try -CURRENT, I suppose. A little risky, but probably less so for production use than 5.0-RELEASE was. > How should I proceed now? I am thinking of maybe only running a single CPU > kernel to see if that runs better. Not likely to matter, but worth a try, anyway. You could run a low-priority CPU-hogging job (or several) to see if it's really connected to low usage levels, or if it's actually time-sensitive.