From owner-freebsd-current@FreeBSD.ORG Fri Oct 8 18:07:51 2004 Return-Path: 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 C25D916A4CE; Fri, 8 Oct 2004 18:07:51 +0000 (GMT) Received: from mail.vicor-nb.com (bigwoop.vicor-nb.com [208.206.78.2]) by mx1.FreeBSD.org (Postfix) with ESMTP id A7F9843D2D; Fri, 8 Oct 2004 18:07:51 +0000 (GMT) (envelope-from julian@elischer.org) Received: from elischer.org (julian.vicor-nb.com [208.206.78.97]) by mail.vicor-nb.com (Postfix) with ESMTP id 8A54E7A449; Fri, 8 Oct 2004 11:07:51 -0700 (PDT) Message-ID: <4166D777.4010605@elischer.org> Date: Fri, 08 Oct 2004 11:07:51 -0700 From: Julian Elischer User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.3.1) Gecko/20030516 X-Accept-Language: en, hu MIME-Version: 1.0 To: David Gilbert References: <16742.40802.187425.402461@canoe.dclg.ca> <4166AFE0.5060000@FreeBSD.org> <16742.46123.690229.674202@canoe.dclg.ca> In-Reply-To: <16742.46123.690229.674202@canoe.dclg.ca> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-stable@freebsd.org cc: freebsd-current@freebsd.org cc: Scott Long Subject: Re: Packet passing performance study on exotic hardware. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 08 Oct 2004 18:07:51 -0000 David Gilbert wrote: >>>>>>"Scott" == Scott Long writes: >>>>>> >>>>>> > >Scott> Interesting results. One thing to note is that a severe bug in >Scott> the if_em driver was fixed for BETA7. The symptoms of this bug >Scott> include apparent livelock of the machine during heavy xmit >Scott> load. You might want to update and re-run your tests. > >Sorry. I should have made it clear that I applied the patches to the >em from the tree by hand. > there are also changes in B4->B7 that ar related to scheduling the packet delivery mechanisms.. They may not make much of a difference but... It's good that we are finally getting the functionality to a point where we can start to worry about performance again :-) > >Dave. > > >