From owner-freebsd-stable@FreeBSD.ORG Wed Jan 17 19:24:59 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 46EBA16A40F for ; Wed, 17 Jan 2007 19:24:59 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from server.baldwin.cx (66-23-211-162.clients.speedfactory.net [66.23.211.162]) by mx1.freebsd.org (Postfix) with ESMTP id A6DFB13C448 for ; Wed, 17 Jan 2007 19:24:58 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from localhost.corp.yahoo.com (john@localhost [127.0.0.1]) (authenticated bits=0) by server.baldwin.cx (8.13.6/8.13.6) with ESMTP id l0HJOoMU055938; Wed, 17 Jan 2007 14:24:53 -0500 (EST) (envelope-from jhb@freebsd.org) From: John Baldwin To: freebsd-stable@freebsd.org Date: Wed, 17 Jan 2007 13:58:32 -0500 User-Agent: KMail/1.9.1 References: <20070116123019.I46509@bit0.com> <20070117025927.GA25196@icarus.home.lan> <2a41acea0701161907v5bf56c6evf5eef7fdb2311eb3@mail.gmail.com> In-Reply-To: <2a41acea0701161907v5bf56c6evf5eef7fdb2311eb3@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200701171358.33120.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH authentication, not delayed by milter-greylist-2.0.2 (server.baldwin.cx [127.0.0.1]); Wed, 17 Jan 2007 14:24:54 -0500 (EST) X-Virus-Scanned: ClamAV 0.88.3/2460/Wed Jan 17 12:26:31 2007 on server.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-4.4 required=4.2 tests=ALL_TRUSTED,AWL,BAYES_00 autolearn=ham version=3.1.3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on server.baldwin.cx Cc: Mike Andrews , Jack Vogel Subject: Re: 6.2-RELEASE em0 watchdog timeouts -- sometimes (w/ partial workaround) 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: Wed, 17 Jan 2007 19:24:59 -0000 On Tuesday 16 January 2007 22:07, Jack Vogel wrote: > On 1/16/07, Jeremy Chadwick wrote: > > On Tue, Jan 16, 2007 at 10:53:04AM -0800, Jack Vogel wrote: > > > There are some management related issues with this NIC, first if you > > > have not done so make a DOS bootable device, and run this app I > > > am enclosing, it fixes the prom setting that is wrong on some devices. > > > It will do no harm, and it may solve things. > > > > Jack, > > > > Can you expand on what this application changes in the PROM? I have > > an Intel motherboard which suffers from similar to what the OP has > > reported (em0 watchdog timeouts), and was curious what the utility > > does before firing up the board and trying it. Others may be curious > > to know, too. > > Hmmm, I'm rusty on this, its now been a year or more since I was > first involved in the details, so I may need to amend this later :) > > But from memory, the issue is the value programmed into the MANC > register by the PROM, I don't remember what bit it was, but one bit > is mistakenly set, it causes the hardware to incorrectly intercept some > packets. > > I was snowbound today, but I'll doublecheck on the detail tomorrow > and amend if needed. > > Everyone note that this ONLY effects an 82573 NIC, so make sure of > that before anything else. Is this the IPMI/ASF stuff? If so, you can also work around it by adding 'net.inet.ip.portrange.lowlast=665' to /etc/sysctl.conf. -- John Baldwin