From owner-freebsd-questions@FreeBSD.ORG Wed Feb 20 20:34:52 2008 Return-Path: Delivered-To: questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9F2F316A406 for ; Wed, 20 Feb 2008 20:34:52 +0000 (UTC) (envelope-from jonc@chen.org.nz) Received: from chen.org.nz (chen.org.nz [202.89.146.5]) by mx1.freebsd.org (Postfix) with ESMTP id 37D6613C45E for ; Wed, 20 Feb 2008 20:34:52 +0000 (UTC) (envelope-from jonc@chen.org.nz) Received: by chen.org.nz (Postfix, from userid 1000) id 28A0E28494; Thu, 21 Feb 2008 09:34:51 +1300 (NZDT) Date: Thu, 21 Feb 2008 09:34:51 +1300 From: Jonathan Chen To: Dominic Fandrey Message-ID: <20080220203451.GA99077@osiris.chen.org.nz> References: <200802161142.53044.FreeBSD@insightbb.com> <20080216215521.GB12555@osiris.chen.org.nz> <18359.26373.750798.755610@jerusalem.litteratus.org> <47BC7A3C.9070002@bsdforen.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47BC7A3C.9070002@bsdforen.de> User-Agent: Mutt/1.4.2.3i Cc: Robert Huff , questions@freebsd.org, Steven Friedrich Subject: Re: Shutdown anomaly X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 20 Feb 2008 20:34:52 -0000 On Wed, Feb 20, 2008 at 08:06:36PM +0100, Dominic Fandrey wrote: > Robert Huff wrote: > >Jonathan Chen writes: > > > >> > I am seeing the following messages, which appear to indicate a memory > >> > overwrite: > >> > Waiting (max 60 seconds) for system processs 'vnlru' to stop...done > >> > Waiting (max 60 seconds) for system processs 'bufdaemon' to stop...done > >> > a > >> > iStyinncgi n(gm adxi s6k0s ,s evcnoonddess) rfeomra isnyisntge.m. > >> .pr0o > cess 'syncer' to stop...0 0 done > >> > All buffers synced. > >> > Uptime: 8m9s > >> > >> It's an interleaved buffer messages on SMP systems. The problem is > >> known, but I haven't heard of a proposed solution yet. > > > > There is no fix. > > The workaround is to increase the size of the kernel printf() > >buffer. I don't remember how you do that ... but this is not a new > >issue - chech the archives for details. > > I would like to propose a fix. Care to test it? > > Just apply this patch and add the following line to your /etc/rc.conf file. > shutdown_clean_enable="YES" I'm not too keen on the fix, as it only pushes the problem under the carpet just for the sake of nice output on shutdown. There's still tons of mangled output in the logs (esp. if you run a logging firewall). Here's hoping for a kernel-fix sometime in the future. Cheers. -- Jonathan Chen ---------------------------------------------------------------------- "Beer. Now there's a temporary solution." - Homer Simpson