From owner-freebsd-net@FreeBSD.ORG Mon Feb 7 12:22:19 2011 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id D408D106564A; Mon, 7 Feb 2011 12:22:19 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1-6.sentex.ca [IPv6:2607:f3e0:0:1::12]) by mx1.freebsd.org (Postfix) with ESMTP id 8DB318FC08; Mon, 7 Feb 2011 12:22:19 +0000 (UTC) Received: from [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a] (saphire3.sentex.ca [IPv6:2607:f3e0:0:4:f025:8813:7603:7e4a]) by smarthost1.sentex.ca (8.14.4/8.14.4) with ESMTP id p17CMD46070327 (version=TLSv1/SSLv3 cipher=DHE-RSA-CAMELLIA256-SHA bits=256 verify=NO); Mon, 7 Feb 2011 07:22:14 -0500 (EST) (envelope-from mike@sentex.net) Message-ID: <4D4FE3F3.6030604@sentex.net> Date: Mon, 07 Feb 2011 07:22:11 -0500 From: Mike Tancsa Organization: Sentex Communications User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.2.13) Gecko/20101207 Thunderbird/3.1.7 MIME-Version: 1.0 To: lev@freebsd.org References: <787079038.20110207004023@serebryakov.spb.ru> In-Reply-To: <787079038.20110207004023@serebryakov.spb.ru> X-Enigmail-Version: 1.1.1 Content-Type: text/plain; charset=windows-1251 Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.67 on IPv6:2607:f3e0:0:1::12 Cc: freebsd-net@freebsd.org, freebsd-stable@freebsd.org, "Vogel, Jack" Subject: Re: em0 hangs without any messages like "Watchdog timeout", only down/up reset it. X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 07 Feb 2011 12:22:19 -0000 On 2/6/2011 4:40 PM, Lev Serebryakov wrote: > Hello, Freebsd-stable. > It hangs under load without any output. When it works with POLLING, it > prints "Watchdog timeout" and reset automatically several times a day, > but without POLLING it simply hangs with same frequency. It is > 8.2-PRERELEASE (from RELENG_8), cvsupped AFTER 22 Jan (last commit to > e1000 drivers family). > > Locally system works, but mbufs are overfilled. "ifconfig em0 down > && ifconfig em0 up" solves problem. In non polling mode, do you have any special network or driver settings in /boot/loader.conf or /etc/sysctl.conf ? ---Mike -- ------------------- Mike Tancsa, tel +1 519 651 3400 Sentex Communications, mike@sentex.net Providing Internet services since 1994 www.sentex.net Cambridge, Ontario Canada http://www.tancsa.com/