From owner-freebsd-questions@FreeBSD.ORG Thu Feb 16 13:43:59 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org 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 70E4B16A420 for ; Thu, 16 Feb 2006 13:43:59 +0000 (GMT) (envelope-from freebsd@akruijff.dds.nl) Received: from psmtp03.wxs.nl (psmtp03.wxs.nl [195.121.247.12]) by mx1.FreeBSD.org (Postfix) with ESMTP id EE39343D45 for ; Thu, 16 Feb 2006 13:43:58 +0000 (GMT) (envelope-from freebsd@akruijff.dds.nl) Received: from smtp.planet.nl (ip51cc8423.speed.planet.nl [81.204.132.35]) by psmtp03.wxs.nl (iPlanet Messaging Server 5.2 HotFix 2.07 (built Jun 24 2005)) with ESMTP id <0IUS006C08T8PK@psmtp03.wxs.nl> for freebsd-questions@freebsd.org; Thu, 16 Feb 2006 14:43:57 +0100 (MET) Received: from Alex1.kruijff.org (localhost [127.0.0.1]) by smtp.planet.nl (8.13.4/8.13.4) with ESMTP id k1GDhuTv002682; Thu, 16 Feb 2006 14:43:56 +0100 Received: (from akruijff@localhost) by Alex1.kruijff.org (8.13.4/8.13.4/Submit) id k1GDhtB2002681; Thu, 16 Feb 2006 14:43:55 +0100 Content-return: prohibited Date: Thu, 16 Feb 2006 14:43:55 +0100 From: Alex de Kruijff In-reply-to: <01eb01c632cd$1365c900$0401a8c0@Mike8500> To: Mike Loiterman Message-id: <20060216134355.GA778@Alex1.kruijff.org> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline User-Agent: Mutt/1.4.2.1i References: <01eb01c632cd$1365c900$0401a8c0@Mike8500> X-Authentication-warning: Alex1.kruijff.org: akruijff set sender to freebsd@akruijff.dds.nl using -f Cc: freebsd-questions@freebsd.org Subject: Re: Mysterious reboot X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd@akruijff.dds.nl List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 16 Feb 2006 13:43:59 -0000 On Thu, Feb 16, 2006 at 01:46:19AM -0600, Mike Loiterman wrote: > Afte being up for more than two months, I just noticed that my ver reliable > and stable server mysteriously rebooted. I've had the same hardware and > system setup for more than a year and haven't ever experienced anything like > this before. I haven't added any new hardware in a very long time. I did > upgrade mysql this morning via portupgrade, however. > > The system appears to have crashed, as dmesg shows that the various > filesystems weren't unmounted correctly upon reboot, but aside from that > single error, nothing else points to what the problem was. > > /var/log/messages just shows a user connectig via pop, and then the next > line is the machine booting. > > We are having a pretty good rainstorm, but nothing else seems to have lost > power and I have several other machines in this space that did not go down > (servers, TVs, XBOX, laptops, etc). > > The machine seems to have gone down around 11:23 PM, so I checked /etc/cron > to see if I had scheduled a job to be run at that time, but there are no > jobs scheduled to be run on or near this time. > > Where can I begin to look for more clues as to why this machine seems to > have crashed? Where would a kernel core dump be or a mysql core dump? You can look at /var/log/messages and find core files with 'find / -name \*.core' I suspect the cause lies with your hardware. There might be something broken that causes your computer to reboot spontaneous when it gets busy or hot and other times it just goes oke. -- Alex Please copy the original recipients, otherwise I may not read your reply. Howto's based on my ppersonal use, including information about setting up a firewall and creating traffic graphs with MRTG http://www.kruijff.org/alex/FreeBSD/