From owner-freebsd-fs@FreeBSD.ORG Fri Dec 5 00:36:21 2008 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 976681065672 for ; Fri, 5 Dec 2008 00:36:21 +0000 (UTC) (envelope-from daichi@freebsd.org) Received: from natial.ongs.co.jp (natial.ongs.co.jp [202.216.246.90]) by mx1.freebsd.org (Postfix) with ESMTP id 5D3968FC1A for ; Fri, 5 Dec 2008 00:36:21 +0000 (UTC) (envelope-from daichi@freebsd.org) Received: from parancell.ongs.co.jp (dullmdaler.ongs.co.jp [202.216.246.94]) by natial.ongs.co.jp (Postfix) with ESMTPSA id BE794125424; Fri, 5 Dec 2008 09:36:19 +0900 (JST) Message-ID: <49387783.7080503@freebsd.org> Date: Fri, 05 Dec 2008 09:36:19 +0900 From: Daichi GOTO User-Agent: Thunderbird 2.0.0.18 (X11/20081124) MIME-Version: 1.0 To: "Paul B. Mahol" References: <4917E0C9.5020105@ongs.co.jp> <3a142e750812041221v26520a53q4f7df488af607305@mail.gmail.com> In-Reply-To: <3a142e750812041221v26520a53q4f7df488af607305@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-fs@freebsd.org, FreeBSD Current Subject: Re: [Call for Test] a patch for kern/121385 - Unionfs cross mount issue 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: Fri, 05 Dec 2008 00:36:21 -0000 Thanks for your test, Paul B. Mahol wrote: > On 11/10/08, Daichi GOTO wrote: >> Hi Unionfs users >> >> About kern/121385 - Unionfs cross mount issue, by discussion at >> EuroBSDCon2008, >> unionfs does not allow user to do cross mount operation. If you have some >> interest >> this issue, please get this patch and try with current. I'll commit this >> patch after 1 week later. >> >> PR: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/121385 >> Patch: >> http://people.freebsd.org/~daichi/unionfs/experiments/unionfs-cross-mount.diff >> >> This issue was discussed at EuroBSDCon2008 FreeBSD developer summit. >> Thanks for hrs and gnn :) >> >> -- >> Daichi GOTO, http://people.freebsd.org/~daichi >> _______________________________________________ >> freebsd-current@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-current >> To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org" >> > > I tested CURRENT and was unable to reproduce panic. You cannot get the same panic described on kern/121385 as follow: http://www.freebsd.org/cgi/query-pr.cgi?pr=kern/121385 How-To-Repeat: # mkdir -p /unionfs/disk1 # mkdir -p /unionfs/disk2 # mount -t unionfs /unionfs/disk1 /unionfs/disk2 # mount -t unionfs /unionfs/disk2 /unionfs/disk1 # touch /unionfs/disk1/foo The r178483 (http://svn.freebsd.org/viewvc/base?view=revision&revision=178483) avoids this panic. Try without r178483 and you will get a panic. Some discussions with some developers, we are testing a new cross-mount issue patch, after some more check, I'll open it. thanks :) -- Daichi GOTO, http://people.freebsd.org/~daichi