From owner-freebsd-stable@FreeBSD.ORG Mon Feb 28 23:08:11 2005 Return-Path: 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 9AC1F16A4CE for ; Mon, 28 Feb 2005 23:08:11 +0000 (GMT) Received: from mail27.sea5.speakeasy.net (mail27.sea5.speakeasy.net [69.17.117.29]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2D0A643D58 for ; Mon, 28 Feb 2005 23:08:11 +0000 (GMT) (envelope-from jhb@FreeBSD.org) Received: (qmail 29485 invoked from network); 28 Feb 2005 23:08:11 -0000 Received: from server.baldwin.cx ([216.27.160.63]) (envelope-sender )AES256-SHA encrypted SMTP for ; 28 Feb 2005 23:08:10 -0000 Received: from [10.50.40.202] (gw1.twc.weather.com [216.133.140.1]) (authenticated bits=0) by server.baldwin.cx (8.13.1/8.13.1) with ESMTP id j1SN84OB066576; Mon, 28 Feb 2005 18:08:05 -0500 (EST) (envelope-from jhb@FreeBSD.org) From: John Baldwin To: Mario Sergio Fujikawa Ferreira Date: Mon, 28 Feb 2005 17:04:05 -0500 User-Agent: KMail/1.6.2 References: <20050224020702.51073.qmail@exxodus.fedaykin.here> <421DF86A.7010807@alumni.rice.edu> <20050226000517.99181.qmail@exxodus.fedaykin.here> In-Reply-To: <20050226000517.99181.qmail@exxodus.fedaykin.here> MIME-Version: 1.0 Content-Disposition: inline Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <200502281704.05284.jhb@FreeBSD.org> X-Spam-Status: No, score=-102.8 required=4.2 tests=ALL_TRUSTED, USER_IN_WHITELIST autolearn=failed version=3.0.2 X-Spam-Checker-Version: SpamAssassin 3.0.2 (2004-11-16) on server.baldwin.cx cc: freebsd-stable@FreeBSD.org cc: Dan Nelson Subject: Re: FreeBSD 5-STABLE, APIC and SCB timeouts (was Re: FreeBSD 5-STABLE, MSI KT880 , fxp and SCB timeouts) X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 28 Feb 2005 23:08:11 -0000 On Friday 25 February 2005 07:04 pm, Mario Sergio Fujikawa Ferreira wrote: > On Thu, Feb 24, 2005 at 09:52:52AM -0600, Jon Noack wrote: > > Mario Sergio Fujikawa Ferreira wrote: > > >On Wed, Feb 23, 2005 at 09:33:41PM -0600, Jon Noack wrote: > > >>On 02/23/05 21:30, Dan Nelson wrote: > > >>>In the last episode (Feb 23), Jon Noack said: > > >>>>On 02/23/05 20:06, Mario Sergio Fujikawa Ferreira wrote: > > >>>>>My last motherboard burned down to ashes so I got myself a brand > > >>>>>(after 2 weeks) new MSI KT880. I am getting some weird results. > > >>>>> > > >>>>>1) fxp intel etherxpress 10/100 network cards report SCB timeout > > >>>>>as well as achieving ridiculously low transfer rates of 600 > > >>>>>Bytes/second. Well, I got 10 KBytes/sec once but that does not count > > >>>>>since a side box gets more than 50KB/s ;-) on the same hub. Oh, I've > > >>>>>already switched hub ports, rj45 cables and fxp cards. > > After some research, it seems John Baldwin has found the > reason for the SCB timeouts. It is related to APIC being enabled on the > motherboard. It is optional for single processor systems but required for > multiprocessor systems. > > The message regarding the patch is contained in the following URL > > http://lists.freebsd.org/pipermail/freebsd-smp/2005-January/000751.html > > I have been using the aforementioned patch for the past 24 > hours. It is not perfect but I am getting some real speed (over > 10KB/s though I should be getting close to 50KB/s). However, I am > losing lots of packets when performing ping tests. > > Does anyone know anything further about it? I am willing > to test trial patches as long as I do not lose my HDD data ;-D This patch is in current@ already and on my MFC list. Do you have a system with Pentium Pro CPUs? If so, can you show me your dmesg output? -- John Baldwin <>< http://www.FreeBSD.org/~jhb/ "Power Users Use the Power to Serve" = http://www.FreeBSD.org