From owner-freebsd-fs@FreeBSD.ORG Fri Sep 3 17:30:06 2010 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 2D25910656BD for ; Fri, 3 Sep 2010 17:30:06 +0000 (UTC) (envelope-from julian@elischer.org) Received: from out-0.mx.aerioconnect.net (out-0-36.mx.aerioconnect.net [216.240.47.96]) by mx1.freebsd.org (Postfix) with ESMTP id D3D848FC16 for ; Fri, 3 Sep 2010 17:30:03 +0000 (UTC) Received: from idiom.com (postfix@mx0.idiom.com [216.240.32.160]) by out-0.mx.aerioconnect.net (8.13.8/8.13.8) with ESMTP id o83HDvPe007285; Fri, 3 Sep 2010 10:13:57 -0700 X-Client-Authorized: MaGic Cook1e X-Client-Authorized: MaGic Cook1e Received: from julian-mac.elischer.org (h-67-100-89-137.snfccasy.static.covad.net [67.100.89.137]) by idiom.com (Postfix) with ESMTP id D4E842D6014; Fri, 3 Sep 2010 10:13:56 -0700 (PDT) Message-ID: <4C812CEC.8080309@elischer.org> Date: Fri, 03 Sep 2010 10:14:20 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (Macintosh; U; PPC Mac OS X 10.4; en-US; rv:1.9.2.8) Gecko/20100802 Thunderbird/3.1.2 MIME-Version: 1.0 To: David Brodbeck References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on 216.240.47.51 Cc: freebsd-fs@freebsd.org Subject: Re: Weird Linux - FreeBSD/ZFS NFSv4 interoperability problem 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, 03 Sep 2010 17:30:06 -0000 On 9/3/10 9:08 AM, David Brodbeck wrote: > (Note: I originally posted this to freebsd-questions, and it was > suggested I take it here.) > > While doing some interoperability testing between Linux and FreeBSD, I > came up with this unusual issue. I could use some help figuring out > if this is a bug, and if so, where to file it. Here's the scenario: > > - FreeBSD 8.1-RELEASE server, sharing a ZFS filesystem via NFSv4. to help change and test things try using ZFS V28 with the virtualbox virtual machine that pjd announced yesterday. --Quote-- Here you can find VirtualBox Appliance (113MB) with FreeBSD 9-CURRENT and ZFSv28: http://people.freebsd.org/~pjd/misc/FreeBSD9_ZFSv28_0.1.tgz Untar it, import it (zfsv28.ovf) to VirtualBox and have fun. ---- In fact having a virtualbox 9.0 machine may help solve things anyhow as 9.0 has new nfs code too. > - Linux client (I've tested with RHEL 5.4 and Debian Lenny) mounting > said filesystem with NFSv4. > - A user on the Linux client does a Subversion checkout onto the > mounted filesystem. > > At the end of the checkout, access to the filesystem hangs. nfsd on > the FreeBSD server and rpciod on the Linux client seem to be in a > tight loop, and there's lots of network traffic between them. I can > reproduce this every time. > > The problem does not occur if the backing filesystem is UFS instead of > ZFS, if NFSv3 is used instead of NFSv4, or if the client is FreeBSD > instead of Linux. > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"