From owner-freebsd-fs@FreeBSD.ORG Wed Aug 3 19:57:16 2005 Return-Path: X-Original-To: freebsd-fs@freebsd.org Delivered-To: freebsd-fs@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 8679F16A41F; Wed, 3 Aug 2005 19:57:16 +0000 (GMT) (envelope-from scrappy@hub.org) Received: from hub.org (hub.org [200.46.204.220]) by mx1.FreeBSD.org (Postfix) with ESMTP id F12DC43D46; Wed, 3 Aug 2005 19:57:15 +0000 (GMT) (envelope-from scrappy@hub.org) Received: from localhost (unknown [200.46.204.144]) by hub.org (Postfix) with ESMTP id B5BC7A24C74; Wed, 3 Aug 2005 16:57:12 -0300 (ADT) Received: from hub.org ([200.46.204.220]) by localhost (av.hub.org [200.46.204.144]) (amavisd-new, port 10024) with ESMTP id 76107-10; Wed, 3 Aug 2005 19:57:12 +0000 (GMT) Received: from ganymede.hub.org (blk-224-176-51.eastlink.ca [24.224.176.51]) by hub.org (Postfix) with ESMTP id 3961DA24C72; Wed, 3 Aug 2005 16:57:12 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1000) id 5E1653C8B5; Wed, 3 Aug 2005 16:57:15 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id 597183572C; Wed, 3 Aug 2005 16:57:15 -0300 (ADT) Date: Wed, 3 Aug 2005 16:57:15 -0300 (ADT) From: "Marc G. Fournier" To: Robert Watson In-Reply-To: <20050729092647.Q74149@fledge.watson.org> Message-ID: <20050803165145.L974@ganymede.hub.org> References: <20050728231728.E968@ganymede.hub.org> <20050729001252.N1194@ganymede.hub.org> <20050729092647.Q74149@fledge.watson.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Virus-Scanned: by amavisd-new at hub.org Cc: freebsd-fs@freebsd.org, jeff@freebsd.org, freebsd-stable@freebsd.org Subject: Re: Consistent file system hang with RELENG_6 of today ... X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Aug 2005 19:57:16 -0000 On Fri, 29 Jul 2005, Robert Watson wrote: > > On Fri, 29 Jul 2005, Marc G. Fournier wrote: > >> Now, as most of the "old timers" here know, my jail environment makes use >> of unionfs to "mount" a template layer, to share common binaries amongst >> the VMs ... >> >> I have tried two different ways of doing this, both result in the exact >> same 'file system hang' ... and I have a core of each 'method' ... >> >> The first was to use mount_devfs to, of course, mount the /dev directory >> within the jail itself ... >> >> The second, I used the same /dev that existed within the jail, based on >> bulding a jail using a 4.x system ... >> >> In both cases, the hang appears to be at the same spot, where 'sendmail' >> (in this case, the postfix port) starts up ... > > It would also be interesting to know: if you take unionfs out of the picture > (i.e., you use a regular file system for testing purposes), does the problem > go away? Just checked this, and yes, the jail starts if unionfs is not involved ... the problem is in unionfs itself :( And, there hasn't been any changes that I can see in unionfs since May 3rd ... so it seems a fairly 'long standing' bug :( ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664