From owner-freebsd-fs@FreeBSD.ORG Sat Feb 27 21:40:47 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 3D2EB1065679; Sat, 27 Feb 2010 21:40:47 +0000 (UTC) (envelope-from ltning@anduin.net) Received: from mail.anduin.net (mail.anduin.net [213.225.74.249]) by mx1.freebsd.org (Postfix) with ESMTP id E8C688FC25; Sat, 27 Feb 2010 21:40:46 +0000 (UTC) Received: from [212.62.248.146] (helo=[192.168.2.198]) by mail.anduin.net with esmtpsa (TLSv1:AES128-SHA:128) (Exim 4.69 (FreeBSD)) (envelope-from ) id 1NlUOy-000L0L-9Q; Sat, 27 Feb 2010 22:40:44 +0100 Mime-Version: 1.0 (Apple Message framework v1077) Content-Type: text/plain; charset=iso-8859-1 From: =?iso-8859-1?Q?Eirik_=D8verby?= In-Reply-To: <20100227223801.15aa657b.gerrit@pmp.uni-hannover.de> Date: Sat, 27 Feb 2010 22:40:43 +0100 Content-Transfer-Encoding: quoted-printable Message-Id: <0C3ADBC6-66EA-4316-9366-1814D27B3A87@anduin.net> References: <20100226141754.86ae5a3f.gerrit@pmp.uni-hannover.de> <20100226174021.8feadad9.gerrit@pmp.uni-hannover.de> <20100226224320.8c4259bf.gerrit@pmp.uni-hannover.de> <4B884757.9040001@digiware.nl> <20100227080220.ac6a2e4d.gerrit@pmp.uni-hannover.de> <4B892918.4080701@digiware.nl> <20100227202105.f31cbef7.gerrit@pmp.uni-hannover.de> <20100227193819.GA60576@icarus.home.lan> <20100227223801.15aa657b.gerrit@pmp.uni-hannover.de> To: =?iso-8859-1?Q?Gerrit_K=FChn?= X-Mailer: Apple Mail (2.1077) Cc: freebsd-fs@freebsd.org, stable@freebsd.org, Willem Jan Withagen , Jeremy Chadwick Subject: Re: mbuf leakage with nfs/zfs? 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: Sat, 27 Feb 2010 21:40:47 -0000 On 27. feb. 2010, at 22.38, Gerrit K=FChn wrote: > On Sat, 27 Feb 2010 21:32:39 +0100 Eirik =D8verby = wrote > about Re: mbuf leakage with nfs/zfs?: >=20 > E> I've had a discussion with some folks on this for a while. I can = easily > E> reproduce this situation by mounting a FreeBSD ZFS filesystem via > E> NFS-UDP from an OpenBSD machine. Telling the OpenBSD machine to use = TCP > E> instead of UDP makes the problem go away. >=20 > So we see this problem with udp clients from OpenBSD and Linux. I have not had the opportunity to test with Linux or anything else. = Could try from Windows, but not sure I want to get my hands THAT dirty. > E> Other FreeBSD systems mounting the same share, either using UDP or = TCP, > E> does not cause the problem to show up. >=20 > As Daniel reported he saw the problem with FBSD 8-stable: Which = version > was the FBSD-client that worked for you with udp? 7.1, 7.2, 8.0-RCsomething and 8.0-RELEASE - no problems with either. > E> A patch was suggested by Rick Macklem, but that did not solve the = issue: > E> = http://lists.freebsd.org/pipermail/freebsd-current/2009-December/014181.ht= ml >=20 > Yeah, I also found and tried this on Friday - unfortunately without = any > success, the leakage is still there. >=20 >=20 > cu > Gerrit >=20