From owner-freebsd-current@FreeBSD.ORG Thu Feb 21 05:44:46 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 40FE716A402 for ; Thu, 21 Feb 2008 05:44:46 +0000 (UTC) (envelope-from lihong.chen@gmail.com) Received: from wx-out-0506.google.com (wx-out-0506.google.com [66.249.82.224]) by mx1.freebsd.org (Postfix) with ESMTP id F3C7013C45E for ; Thu, 21 Feb 2008 05:44:45 +0000 (UTC) (envelope-from lihong.chen@gmail.com) Received: by wx-out-0506.google.com with SMTP id i29so2532701wxd.7 for ; Wed, 20 Feb 2008 21:44:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:subject:from:to:cc:in-reply-to:references:content-type:date:message-id:mime-version:x-mailer:content-transfer-encoding:sender; bh=yEhStMIIfvkRG/cG47PxZolXUQ0nwGLpM2D4uqLG0ew=; b=ldZYKbowHsjwC9F2J3bPA3YFIyekyNYgwpY/LwsEf5UydDGcx4yHljNqI/Bse/S8rf6xWQntYKEi4UbOA5a84gZoB7TSIfXNPEpSq7h/QJ2QXG5tizU+DorG+mSTIJpeDFKbWYqser9+mg+ZyHsDstZqbVNDY00Al2GCpAtiX+k= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=subject:from:to:cc:in-reply-to:references:content-type:date:message-id:mime-version:x-mailer:content-transfer-encoding:sender; b=vxqbMfhXV+WyWLbI0Ulz9DIsArirF5FYa9oTcRVPUHrpzlt90rp28mr3m0q5YZe6hiFtRmBcFeGq5Nhuyvko6N/sBgPI0ZT3mWds/enaWi+o6JLY48qJzhX7gT+gumH2O0RF7EQcOPfuWbTiexz+IA+zRC+6JZ/vPkF7rJmV4Tw= Received: by 10.142.187.2 with SMTP id k2mr4725671wff.25.1203570959170; Wed, 20 Feb 2008 21:15:59 -0800 (PST) Received: from ?192.168.10.84? ( [59.125.13.44]) by mx.google.com with ESMTPS id 9sm24208266wfc.16.2008.02.20.21.15.57 (version=TLSv1/SSLv3 cipher=RC4-MD5); Wed, 20 Feb 2008 21:15:58 -0800 (PST) From: "Eric L. Chen" To: Robert Backhaus In-Reply-To: References: Content-Type: text/plain Date: Thu, 21 Feb 2008 13:15:54 +0800 Message-Id: <1203570954.1696.2.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.12.3 FreeBSD GNOME Team Port Content-Transfer-Encoding: 7bit Sender: "Eric L. Chen" Cc: FreeBSD Current Subject: Re: Packet corruption in re0 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, 21 Feb 2008 05:44:46 -0000 On Thu, 2008-02-21 at 11:03 +1000, Robert Backhaus wrote: > I am experiencing roughly 15% packet corruption on the re interface on > my freebsd 7/amd64 box. > > FreeBSD gw.flexi.robbak.com 7.0-PRERELEASE FreeBSD 7.0-PRERELEASE #8: > Tue Feb 5 09:49:55 EST 2008 > root@gw.flexi.robbak.com:/usr/obj/usr/src/sys/GW amd64 > > The attached 3 files demonstrate the problem: "ping" shows the output > of ping -c 100, and shows 15% packet loss. "tcpdump" shows the packets > leaving, and some of the lost packets being returned with addresses, > ports and data corrupted. The data in these packets seems to be coming > from other packets passing through other interfaces at the time. > "remote-tcpdump" shows the packets being received and returned from > the other machine. Note that some packets are being corrupted on the > way out, too. > > Just to make troubleshooting difficult, this problem only shows up > after the system has been up for roughly 36 hours, depending on the > amount of traffic. > > I am using the latest bios that I am aware of. The bios that I > recently applied did include a firmware update for the realtek > interface, but this did not affect the problem. > _______________________________________________ I disabled some hw features and works fine. like this (/etc/rc.conf) ifconfig_re0="inet 192.168.1.10 netmask 255.255.255.0 -rxcsum -txcsum -tso -lr o" /Eric