From owner-freebsd-current@FreeBSD.ORG Thu May 26 08:58:24 2005 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A557716A421; Thu, 26 May 2005 08:58:24 +0000 (GMT) (envelope-from ticso@cicely12.cicely.de) Received: from srv1.cosmo-project.de (srv1.cosmo-project.de [213.83.6.106]) by mx1.FreeBSD.org (Postfix) with ESMTP id C379143D1D; Thu, 26 May 2005 08:58:21 +0000 (GMT) (envelope-from ticso@cicely12.cicely.de) Received: from cicely5.cicely.de (cicely5.cicely.de [10.1.1.7]) (authenticated bits=0) by srv1.cosmo-project.de (8.12.10/8.12.10) with ESMTP id j4Q8wH4J076711 (version=TLSv1/SSLv3 cipher=EDH-RSA-DES-CBC3-SHA bits=168 verify=OK); Thu, 26 May 2005 10:58:19 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (cicely12.cicely.de [IPv6:3ffe:400:8d0:301::12]) by cicely5.cicely.de (8.12.10/8.12.10) with ESMTP id j4Q8vqhs048055 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 26 May 2005 10:57:53 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: from cicely12.cicely.de (localhost [127.0.0.1]) by cicely12.cicely.de (8.12.11/8.12.11) with ESMTP id j4Q8vqNX057510; Thu, 26 May 2005 10:57:52 +0200 (CEST) (envelope-from ticso@cicely12.cicely.de) Received: (from ticso@localhost) by cicely12.cicely.de (8.12.11/8.12.11/Submit) id j4Q8vpJv057509; Thu, 26 May 2005 10:57:51 +0200 (CEST) (envelope-from ticso) Date: Thu, 26 May 2005 10:57:51 +0200 From: Bernd Walter To: Oliver Lehmann Message-ID: <20050526085750.GZ80082@cicely12.cicely.de> References: <20050525223355.56551.qmail@web80601.mail.yahoo.com> <20050526010325.02415410.lehmann@ans-netz.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20050526010325.02415410.lehmann@ans-netz.de> X-Operating-System: FreeBSD cicely12.cicely.de 5.2-CURRENT alpha User-Agent: Mutt/1.5.6i X-Spam-Status: No, hits=-4.9 required=3.0 tests=BAYES_00 autolearn=no version=2.64 X-Spam-Report: * -4.9 BAYES_00 BODY: Bayesian spam probability is 0 to 1% * [score: 0.0000] X-Spam-Checker-Version: SpamAssassin 2.64 (2004-01-11) on cicely12.cicely.de Cc: stable@freebsd.org, Mohan Srinivasan , current@freebsd.org Subject: Re: problems with nfs+TCP - Resource temporarily unavailable X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ticso@cicely.de List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 26 May 2005 08:58:24 -0000 On Thu, May 26, 2005 at 01:03:25AM +0200, Oliver Lehmann wrote: > ###### > > > I tried the same with an other nfs server (using dill as nfs server this > time - system description is in my 1st mail, same mount options like / > mnt/files). And guess what? dill rebooted immediate... dd came never > back, gave no output > > dill's dmesg shows me: > > fatal kernel trap: > > trap entry = 0x4 (unaligned access fault) > faulting va = 0xfffffc0006b6f44d > opcode = 0x28 > register = 0x5 > pc = 0xfffffc0000541e08 > ra = 0xfffffc0000541df4 > sp = 0xfffffe000a0f9b70 > usp = 0x11ffea80 > curthread = 0xfffffc000f91ee10 > pid = 343, comm = nfsd This is absolutely known - TCP/nfs has bugs in realigning packets. Don't use TCP on strong aligned architectures. -- B.Walter BWCT http://www.bwct.de bernd@bwct.de info@bwct.de