From owner-freebsd-questions@FreeBSD.ORG Wed Jul 26 12:07:28 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 7EBD616A4DA for ; Wed, 26 Jul 2006 12:07:28 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from mail6.sea5.speakeasy.net (mail6.sea5.speakeasy.net [69.17.117.8]) by mx1.FreeBSD.org (Postfix) with ESMTP id C08B043D49 for ; Wed, 26 Jul 2006 12:07:27 +0000 (GMT) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: (qmail 29161 invoked from network); 26 Jul 2006 12:07:27 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail6.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 26 Jul 2006 12:07:27 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id 101DB28449; Wed, 26 Jul 2006 08:07:26 -0400 (EDT) To: "Rob Connon (Info)" References: <44C660AF.5040206@vfs.com> From: Lowell Gilbert Date: Wed, 26 Jul 2006 08:07:25 -0400 In-Reply-To: <44C660AF.5040206@vfs.com> (Rob Connon's message of "Tue, 25 Jul 2006 11:19:27 -0700") Message-ID: <44lkqgpo1u.fsf@be-well.ilk.org> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.0.50 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD 6 Hard Lock no logs X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd-questions@freebsd.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jul 2006 12:07:28 -0000 "Rob Connon (Info)" writes: > Hi, > > I have a web/mail server thats running the lastest version of FreeBSD > 6.0-RELEASE-p9 #4. In the last month or so it's started hard locking.. > when the machine locks up i can still ping it and get connects from > telneting to 80,22,etc sometimes i get a banner and sometimes i > dont.. but there are > no errors on the console or in the logs. > > The odd thing is the locking seems to happen within a certain time > window (mon,tues) and never end of the week or weekend.. i suspected > it could have been > a bad cron job but nothing falls into that time frame. > > As a test i've been rebooting the server everynight to see if that > would help the machine get past the begining of the week with out a > hang and again this morning > even though i rebooted last night at 10pm hung around 9:47am. > > The machine is a Dell PowerEdge 2550, I've had dell come and replace > the MB and have ran all their diagnostics aswell with no errors > reported.. > I've been reading alot about APIC and ACPI and people having similar > issues but nothing that fits the bill... below is the dmesg and output > of vmstat -i.. another odd thing is the rate for the CPU timer is > extremely high compared to other machines with similar hardware or > faster hardware. > > Any help on where to look next would be awesome. Try a debugging kernel and see if you can break to the debugger after the freeze. If so, youcan look at task states.