From owner-freebsd-net@FreeBSD.ORG  Mon Jun 25 06:10:29 2007
Return-Path: <owner-freebsd-net@FreeBSD.ORG>
X-Original-To: freebsd-net@freebsd.org
Delivered-To: freebsd-net@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id C8D9116A400
	for <freebsd-net@freebsd.org>; Mon, 25 Jun 2007 06:10:29 +0000 (UTC)
	(envelope-from andrew@modulus.org)
Received: from bub.octopus.com.au (170.135.233.220.exetel.com.au
	[220.233.135.170])
	by mx1.freebsd.org (Postfix) with ESMTP id 866CD13C458
	for <freebsd-net@freebsd.org>; Mon, 25 Jun 2007 06:10:26 +0000 (UTC)
	(envelope-from andrew@modulus.org)
Received: from anzac.hos (170.135.233.220.exetel.com.au [220.233.135.170])
	by bub.octopus.com.au (Postfix) with ESMTP id 37270B2511;
	Mon, 25 Jun 2007 16:10:26 +1000 (EST)
Message-ID: <467F5C3F.8090908@modulus.org>
Date: Mon, 25 Jun 2007 16:10:07 +1000
From: Andrew Snow <andrew@modulus.org>
User-Agent: Thunderbird 2.0.0.0 (X11/20070426)
MIME-Version: 1.0
To: Jack Vogel <jfvogel@gmail.com>
References: <467C8C5F.8050206@modulus.org>
	<2a41acea0706230041p54212458mdd2ab339fe9bffd9@mail.gmail.com>
In-Reply-To: <2a41acea0706230041p54212458mdd2ab339fe9bffd9@mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: freebsd-net@freebsd.org
Subject: Re: watchdog timeout problem with freebsd 6.2-stable and v6.4.1
 if_em driver
X-BeenThere: freebsd-net@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Networking and TCP/IP with FreeBSD <freebsd-net.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-net>
List-Post: <mailto:freebsd-net@freebsd.org>
List-Help: <mailto:freebsd-net-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-net>,
	<mailto:freebsd-net-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Mon, 25 Jun 2007 06:10:29 -0000

Jack Vogel wrote:
>> After medium-heavy traffic, the NIC locks up completely and no traffic
>> passes for a long time, perhaps longer than half an hour.
>>
>> Then, it recovers and prints this to syslog:
>> em0: watchdog timeout -- resetting
>> em0: link state changed to DOWN
>> em0: link state changed to UP
>>
> If you search thru the email archives you will find that
> I have posted a DOS patcher that fixes the problem.
> Search on 82573, if you have a problem let me know.


Thanks Jack, the patch fixed the problem for me.

I found it quite hard to find the patch to download, so I took the 
liberty of posting an article about it for posterity, including 
instructions and download link, I hope thats OK.

http://www.higherorder.com.au/2007/6/25/intel_82573_patch


- Andrew