From owner-freebsd-stable@FreeBSD.ORG Thu May 31 16:37:04 2007 Return-Path: X-Original-To: freebsd-stable@FreeBSD.ORG Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5E08C16A400 for ; Thu, 31 May 2007 16:37:04 +0000 (UTC) (envelope-from vinny@tellurian.com) Received: from mail1.tellurian.net (mail1.tellurian.net [216.182.1.23]) by mx1.freebsd.org (Postfix) with ESMTP id 0D88E13C480 for ; Thu, 31 May 2007 16:37:03 +0000 (UTC) (envelope-from vinny@tellurian.com) Received: from [216.182.1.34] (cactus.tellurian.net [216.182.1.34]) by mail1.tellurian.net ([216.182.1.23] Tellurian Networks Mail Server version v3.8i3-3) with ESMTP id 647242994-1926380 for multiple; Thu, 31 May 2007 12:37:03 -0400 Message-ID: <465EF9AF.3000108@tellurian.com> Date: Thu, 31 May 2007 12:37:03 -0400 From: Vinny Abello Organization: Tellurian Networks User-Agent: Thunderbird 2.0.0.0 (Windows/20070326) MIME-Version: 1.0 To: Sten Daniel Soersdal References: <200705300934.l4U9Y7eJ022617@lurza.secnetix.de> <465DB6C5.30407@tellurian.com> <465EA47B.7050400@gmail.com> In-Reply-To: <465EA47B.7050400@gmail.com> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authenticated-User: vinny@tellurian.com X-Ultimate-Internet-Connection: Tellurian Networks Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Packet Loss w/bge & BCM5703 on Dell PE2650 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: Thu, 31 May 2007 16:37:04 -0000 Sten Daniel Soersdal wrote: > Vinny Abello wrote: >> Oliver Fromme wrote: >>> Vinny Abello wrote: >>> > I've isolated a problem which appears to be a bug causing >>> packet loss >>> > with FreeBSD 6.0 and later on the Dell PowerEdge 2650 servers and the >>> > integrated Broadcom BCM5703 NICs. >>> >>> Have you enabled polling on the interface? >>> >>> I experienced a similar problem on a HP Proliant DL360 >>> running 6.2-stable (RELENG_6 of a few weeks ago). >>> The problem disappeared upon "ifconfig bge0 polling". >>> >>> Best regards >>> Oliver >> >> It appears I do not have the DEVICE_POLLING option set when I compiled >> my kernel on my one machine and on the second I am just using the >> GENERIC kernel. I'll recompile with this option set and try again and >> post my results to the list. >> >> Thanks! >> > > Try disabling hardware assisted checksumming. ( ifconfig bge0 -txcsum > -rxcsum ). Thanks for the suggestion, but... That's actually one of the first things I tried before writing to the list. No difference. I'm going to put an Intel Pro/100 card in shortly to see if the problem goes away to be certain the issue is definitely with the integrated Broadcom NICs. -- Vinny Abello Network Engineer vinny@tellurian.com (973)940-6100 PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0 E935 5325 FBCB 0100 977A Tellurian Networks - The Ultimate Internet Connection http://www.tellurian.com (888)TELLURIAN "Courage is resistance to fear, mastery of fear - not absence of fear" -- Mark Twain