From owner-freebsd-stable@FreeBSD.ORG Tue Nov 7 16:11:09 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D920316A403 for ; Tue, 7 Nov 2006 16:11:09 +0000 (UTC) (envelope-from scottl@samsco.org) Received: from pooker.samsco.org (pooker.samsco.org [168.103.85.57]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9FB7C43D49 for ; Tue, 7 Nov 2006 16:11:01 +0000 (GMT) (envelope-from scottl@samsco.org) Received: from [192.168.254.11] (phobos.samsco.home [192.168.254.11]) (authenticated bits=0) by pooker.samsco.org (8.13.4/8.13.4) with ESMTP id kA7GAcuJ019767; Tue, 7 Nov 2006 09:10:43 -0700 (MST) (envelope-from scottl@samsco.org) Message-ID: <4550AFFD.9090104@samsco.org> Date: Tue, 07 Nov 2006 09:10:37 -0700 From: Scott Long User-Agent: Mozilla/5.0 (Macintosh; U; Intel Mac OS X; en-US; rv:1.8.0.7) Gecko/20060910 SeaMonkey/1.0.5 MIME-Version: 1.0 To: Josh Paetzel References: <1162852746.32694.23.camel@bigapple.omnis.ch> <454FE82F.8090500@samsco.org> <4550524A.2060208@qbrick.com> <200611071005.28853.josh@tcbug.org> In-Reply-To: <200611071005.28853.josh@tcbug.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.4 required=3.8 tests=ALL_TRUSTED autolearn=failed version=3.1.1 X-Spam-Checker-Version: SpamAssassin 3.1.1 (2006-03-10) on pooker.samsco.org Cc: Olivier Mueller , freebsd-stable@freebsd.org Subject: Re: Still have BCE driver issues (dell pe 1950) and NFS X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 07 Nov 2006 16:11:09 -0000 Josh Paetzel wrote: > On Tuesday 07 November 2006 03:30, Fredrik Widlund wrote: >> Hi, >> >> Will a fix/this fix be part of the 6.2 Release? We will be relying >> heavily on fbsd6.2 and pe1950 and are worried about the BCE >> stability? >> >> Kind regards, >> Fredrik Widlund >> >> Scott Long wrote: >>> Olivier Mueller wrote: >>>> Le 7 nov. 06 à 01:15, Scott Long a écrit : >>>>> Olivier Mueller wrote: >>>>>> NFS Server: dell poweredge 1950, with the 1.2.2.6 version of >>>>>> if_bce.c: bce0: >>>>> (B1), v0.9.6> mem - Start a directory listing on it: >>>>>> immediate (network) crash of the NFS >>>>>> server. (reproduced 3 times) >>>>> Do the following, then retry your test: >>>>> ifconfig bce0 -txcsum >>>> Oh, this way it looks much better, thanks. Directory listing >>>> was fine, and copying files during 2-3 minutes over NFS worked >>>> as well. More tests will follow tomorrow. >>>> >>>> Next step? :-) Should I put that command somewhere in my init >>>> scripts, or even directly in rc.conf, or wait for a new >>>> if_bce0.c version? I am available for any other PE1950-related >>>> tests if this may help. >>>> >>>> Regards, >>>> Olivier >>> Change /sys/dev/bce/if_bcereg.h so that BCE_IF_HWASSIST is >>> defined to 0. Then recompile. >>> >>> Scott >>> > > I know I've brought this up before, but I have a PE1950 with a pair of > bce nics that get pounded on 24/7. I've been using 6.1-R with the > 0.9.6 version of the bce driver for a couple of months now. The > driver is available here: http://yogurt.org/FreeBSD/if_bce.c I've > emailed the author of the driver and I've at least mentioned it to > Scott once but I really can't understand why we don't just import > this driver into the tree. > > What you just posted is exactly what committed to CVS for 7-CURRENT and 6-STABLE, and what was proven to break down under moderate to heavy UDP traffic. I don't doubt that your servers have a load that doesn't trigger the problem, but if you're curious I can send you a couple of very simple test cases that will cause your driver to panic and your network interface to wedge. Scott