From owner-freebsd-stable@FreeBSD.ORG Fri Jul 29 12:46:15 2005 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id E3F6116A477; Fri, 29 Jul 2005 12:46:15 +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 730D143D45; Fri, 29 Jul 2005 12:46:15 +0000 (GMT) (envelope-from scrappy@hub.org) Received: from localhost (unknown [200.46.204.144]) by hub.org (Postfix) with ESMTP id D6603A247A3; Fri, 29 Jul 2005 09:46:09 -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 30833-08; Fri, 29 Jul 2005 12:46:10 +0000 (GMT) Received: from ganymede.hub.org (blk-224-176-51.eastlink.ca [24.224.176.51]) by hub.org (Postfix) with ESMTP id 70B70A24629; Fri, 29 Jul 2005 09:46:09 -0300 (ADT) Received: by ganymede.hub.org (Postfix, from userid 1000) id BE2373EB35; Fri, 29 Jul 2005 09:46:16 -0300 (ADT) Received: from localhost (localhost [127.0.0.1]) by ganymede.hub.org (Postfix) with ESMTP id B511437EC4; Fri, 29 Jul 2005 09:46:16 -0300 (ADT) Date: Fri, 29 Jul 2005 09:46:16 -0300 (ADT) From: "Marc G. Fournier" To: Robert Watson In-Reply-To: <20050729092647.Q74149@fledge.watson.org> Message-ID: <20050729094412.U997@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-stable@freebsd.org Subject: Re: Consistent file system hang with RELENG_6 of today ... X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Jul 2005 12:46:16 -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? Actually, is there a way of seeing what file systems were mounted at the time of a panic from the core file? The system hung once more last night, and I'm *certain* that it had nothing to do, this time, with my testing of the jails ... I got a core of that one as well ... if so, then the problem is somethign with the kernel since my last update on July 17th (I've loaded my old kernel, and so far things have been okay) ... I'm going to try loading the jail using this July 17th kernel when I get back and see if it hangs as well ... ---- Marc G. Fournier Hub.Org Networking Services (http://www.hub.org) Email: scrappy@hub.org Yahoo!: yscrappy ICQ: 7615664