From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael Chan" Subject: Re: TG3 network data corruption regression 2.6.24/2.6.23.4 Date: Mon, 18 Feb 2008 16:32:00 -0800 Message-ID: <1203381120.13495.78.camel@dell> References: <47BA0984.2070306@cybernetics.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: "Herbert Xu" , "David Miller" , netdev , "Greg Kroah-Hartman" , linux-kernel@vger.kernel.org To: "Tony Battersby" Return-path: Received: from mms2.broadcom.com ([216.31.210.18]:4503 "EHLO mms2.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751190AbYBSA3n (ORCPT ); Mon, 18 Feb 2008 19:29:43 -0500 In-Reply-To: <47BA0984.2070306@cybernetics.com> Sender: netdev-owner@vger.kernel.org List-ID: On Mon, 2008-02-18 at 17:41 -0500, Tony Battersby wrote: > I am experiencing network data corruption with a 3Com 3C996B-T NIC > (Broadcom NetXtreme BCM5701; driver tg3.ko). I have identified the > following patch as the trigger: Assuming this problem is unique to the 5701, I'm not sure how it is exposed by Herbert's patch. One thing unique on the 5701 is that it double-copies all RX packets so that the data starts at offset 2, but that's quite unrelated to the patch below. > > commit fb93134dfc2a6e6fbedc7c270a31da03fce88db9 > Author: Herbert Xu > Date: Wed Nov 14 15:45:21 2007 -0800 > > [TCP]: Fix size calculation in sk_stream_alloc_pskb > > > I do not get data corruption when substituting a SysKonnect 9D21 NIC > (which also uses the tg3.ko driver) What Broadcom chip is on the Syskonnect card?