From owner-freebsd-fs@FreeBSD.ORG Mon Mar 1 11:50:44 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 A004F106566C; Mon, 1 Mar 2010 11:50:44 +0000 (UTC) (envelope-from wjw@digiware.nl) Received: from mail.digiware.nl (mail.ip6.digiware.nl [IPv6:2001:4cb8:1:106::2]) by mx1.freebsd.org (Postfix) with ESMTP id 2E1308FC21; Mon, 1 Mar 2010 11:50:44 +0000 (UTC) Received: from localhost (localhost.digiware.nl [127.0.0.1]) by mail.digiware.nl (Postfix) with ESMTP id 19F47153433; Mon, 1 Mar 2010 12:50:43 +0100 (CET) X-Virus-Scanned: amavisd-new at digiware.nl Received: from mail.digiware.nl ([127.0.0.1]) by localhost (rack1.digiware.nl [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id RNVEs56HfWuG; Mon, 1 Mar 2010 12:50:41 +0100 (CET) Received: from [192.168.10.67] (opteron [192.168.10.67]) by mail.digiware.nl (Postfix) with ESMTP id 0EA0B15342F; Mon, 1 Mar 2010 12:50:41 +0100 (CET) Message-ID: <4B8BAA80.7060401@digiware.nl> Date: Mon, 01 Mar 2010 12:52:32 +0100 From: Willem Jan Withagen Organization: Digiware User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.7) Gecko/20100111 Thunderbird/3.0.1 MIME-Version: 1.0 To: =?ISO-8859-1?Q?Gerrit_K=FChn?= References: <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> <4B89943C.70704@digiware.nl> <20100227220310.GA65110@icarus.home.lan> <20100228185546.f9fefa97.gerrit@pmp.uni-hannover.de> In-Reply-To: <20100228185546.f9fefa97.gerrit@pmp.uni-hannover.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit Cc: stable@freebsd.org, freebsd-fs@freebsd.org, "Robert N. M. Watson" , =?ISO-8859-1?Q?Eirik_=D8verby?= , Daniel Braniss , Jeremy Chadwick Subject: Re: mbuf leakage with nfs 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: Mon, 01 Mar 2010 11:50:44 -0000 On 28-2-2010 18:55, Gerrit Kühn wrote: > On Sun, 28 Feb 2010 12:21:28 +0000 "Robert N. M. Watson" > wrote about Re: mbuf leakage with nfs/zfs? : > > RNMW> It's almost certainly one or a small number of very specific RPCs > RNMW> that are triggering it -- maybe OpenBSD does an extra lookup, or > RNMW> stat, or something, on a name that may not exist anymore, or does it > RNMW> sooner than the other clients. Hard to say, other than to wave hands > RNMW> at the possibilities. > RNMW> > RNMW> And it may well be we're looking at two bugs: Danny may see one bug, > RNMW> perhaps triggered by a race condition, but it may be different from > RNMW> the OpenBSD client-triggered bug (to be clear: it's definitely a > RNMW> FreeBSD bug, although we might only see it when an OpenBSD client is > RNMW> used because perhaps OpenBSD also has a bug or feature). > > In my case it is the Linux client causing the problems (cannot tell yet if > it is only with udp, but I would think so). If I understand Daniel > correctly his latest testes were performed with FreeBSD client and udp. So > it may very well be a generel issue with udp?! Would this help narrowing > down the problem? I'm off 'till thursday. At which time I'm willing to run more tests. Got plenty of boxes here. Both FreeBSD and Linux. And otherwise will boot more in VirtualBox. --WjW