From owner-freebsd-current@FreeBSD.ORG Thu Nov 23 08:19:04 2006 Return-Path: X-Original-To: Current@FreeBSD.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 4168316A40F; Thu, 23 Nov 2006 08:19:04 +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 0B19543D5F; Thu, 23 Nov 2006 08:18:29 +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 kAN8IugC090055; Thu, 23 Nov 2006 01:19:01 -0700 (MST) (envelope-from scottl@samsco.org) Message-ID: <4565596E.7020102@samsco.org> Date: Thu, 23 Nov 2006 01:18:54 -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: Joe Marcus Clarke References: <1164266670.94313.44.camel@shumai.marcuscom.com> <45654F26.7080800@samsco.org> <1164267942.94313.55.camel@shumai.marcuscom.com> In-Reply-To: <1164267942.94313.55.camel@shumai.marcuscom.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit 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: Current@FreeBSD.org Subject: Re: Constant watchdog timeouts on em0 with today's -CURRENT X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Thu, 23 Nov 2006 08:19:04 -0000 Joe Marcus Clarke wrote: > On Thu, 2006-11-23 at 00:35 -0700, Scott Long wrote: >> Joe Marcus Clarke wrote: >>> I just synced with today's -CURRENT, and rendered by port build machine >>> useless. With minimal network traffic (just logging in via SSH with a >>> TCP NFS-mounted home) I get an immediate watchdog timeout on em0, and >>> they just keep coming as I type in the session. The machine is >>> otherwise idle while this is occurring. >>> >>> I am currently running: >>> >>> FreeBSD fugu.marcuscom.com 7.0-CURRENT FreeBSD 7.0-CURRENT #83: Thu Nov >>> 23 01:51:05 EST 2006 >>> root@fugu.marcuscom.com:/space2/obj/usr/src/sys/FUGU i386 >>> >>> I was running: >>> >>> FreeBSD 7.0-CURRENT #80: Fri Nov 10 15:53:48 EST 2006 >>> marcus@fugu.marcuscom.com:/space2/obj/usr/src/sys/FUGU >>> >>> Which provided stable networking. Here are my verbose dmesg and kernel >>> config. Note: this machine has both am if_em and an mpt card. Could >>> the recent MSI changes have exacerbated the em watchdog problem? What >>> can I do (besides downgrade) to resolve this? Thanks. >>> >>> http://www.marcuscom.com/downloads/fugu_dmesg.txt >>> http://www.marcuscom.com/downloads/fugu_kernel.txt >>> >>> Joe >> Have you followed the instructions in src/UPDATING on how to turn MSI >> off? > > Man, do I feel stupid. I completely overlooked UPDATING. Indeed, > disabling MSI restores network stability. Thanks, Scott. > > Joe > Btw, could you submit a PR with your system information and assign it to John? I know that he intends to do some form of blacklist or whitelist for MSI support, and data like yours is needed for that. Scott