From owner-freebsd-current@FreeBSD.ORG Thu Jul 24 10:24:16 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A9D3637B401 for ; Thu, 24 Jul 2003 10:24:16 -0700 (PDT) Received: from rwcrmhc12.comcast.net (rwcrmhc12.comcast.net [216.148.227.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id CF63343F3F for ; Thu, 24 Jul 2003 10:24:12 -0700 (PDT) (envelope-from diz@linuxpowered.com) Received: from linuxpowered.com (12-238-113-137.client.attbi.com[12.238.113.137](untrusted sender)) by comcast.net (rwcrmhc12) with SMTP id <20030724172412014006hd1qe> (Authid: jdisnard); Thu, 24 Jul 2003 17:24:12 +0000 Message-ID: <3F2015E9.3050703@linuxpowered.com> Date: Thu, 24 Jul 2003 12:22:49 -0500 From: Jon Disnard User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en MIME-Version: 1.0 To: freebsd-current@freebsd.org References: <32719.1059059003@critter.freebsd.dk> In-Reply-To: <32719.1059059003@critter.freebsd.dk> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: Poul-Henning Kamp Subject: Re: File system deadlock. GBDE(4) and/or MD(4) related. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 24 Jul 2003 17:24:17 -0000 Poul-Henning Kamp wrote: > In message <20030724135707.GW43543@garage.freebsd.pl>, Pawel Jakub Dawidek writ > es: > > >> # touch /mnt/test.file > > > You are probably missing: > > dd if=/dev/null of=/mnt/test.file bs=1m count=512 > > >> # mdconfig -a -t vnode -f /mnt/test.file -s 512M -u 1 > > > What you have found has nothing to do with GBDE, I think it is the > usual "vnode backed md(4)" deadlock. > I wrote a howto that is somewhat similare to the desired steps in case anybody is interested in another way: http://www.ezunix.org/modules.php?op=modload&name=Sections&file=index&req=viewarticle&artid=67&page=1 I've used gbde extensivly and have doubts about any issues. However, maybe some sanity checks in gbde would catch the problem? -Jon