From owner-freebsd-fs@FreeBSD.ORG Sat Feb 27 21:38:11 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 42598106566C; Sat, 27 Feb 2010 21:38:11 +0000 (UTC) (envelope-from gerrit@pmp.uni-hannover.de) Received: from mrelay1.uni-hannover.de (mrelay1.uni-hannover.de [130.75.2.106]) by mx1.freebsd.org (Postfix) with ESMTP id B96028FC12; Sat, 27 Feb 2010 21:38:10 +0000 (UTC) Received: from www.pmp.uni-hannover.de (www.pmp.uni-hannover.de [130.75.117.2]) by mrelay1.uni-hannover.de (8.14.2/8.14.2) with ESMTP id o1RLc2nV031058; Sat, 27 Feb 2010 22:38:03 +0100 Received: from pmp.uni-hannover.de (theq.pmp.uni-hannover.de [130.75.117.4]) by www.pmp.uni-hannover.de (Postfix) with SMTP id 5E92924; Sat, 27 Feb 2010 22:38:02 +0100 (CET) Date: Sat, 27 Feb 2010 22:38:01 +0100 From: Gerrit =?ISO-8859-1?Q?K=FChn?= To: Eirik =?ISO-8859-1?Q?=D8verby?= Message-Id: <20100227223801.15aa657b.gerrit@pmp.uni-hannover.de> In-Reply-To: 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> Organization: Albert-Einstein-Institut (MPI =?ISO-8859-1?Q?f=FCr?= Gravitationsphysik & IGP =?ISO-8859-1?Q?Universit=E4t?= Hannover) X-Mailer: Sylpheed 2.4.2 (GTK+ 2.10.12; i386-portbld-freebsd6.1) Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-PMX-Version: 5.5.9.388399, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2010.2.27.212132 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 21:38:11 -0000 On Sat, 27 Feb 2010 21:32:39 +0100 Eirik =D8verby wrote about Re: mbuf leakage with nfs/zfs?: 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. So we see this problem with udp clients from OpenBSD and Linux. E> Other FreeBSD systems mounting the same share, either using UDP or TCP, E> does not cause the problem to show up. As Daniel reported he saw the problem with FBSD 8-stable: Which version was the FBSD-client that worked for you with udp? 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.= html Yeah, I also found and tried this on Friday - unfortunately without any success, the leakage is still there. cu Gerrit