Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964825Ab3GPTyF (ORCPT ); Tue, 16 Jul 2013 15:54:05 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:48317 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964782Ab3GPTyD (ORCPT ); Tue, 16 Jul 2013 15:54:03 -0400 Message-ID: <51E5A4CA.20902@canonical.com> Date: Tue, 16 Jul 2013 15:53:46 -0400 From: Joseph Salisbury User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130623 Thunderbird/17.0.7 MIME-Version: 1.0 To: Pravin Shelar CC: davem@davemloft.net, ben.howard@canonical.com, edumazet@google.com, xiyou.wangcong@gmail.com, alexander.h.duyck@intel.com, jiri@resnulli.us, netdev@vger.kernel.org, LKML , kys@microsoft.com, haiyangz@microsoft.com Subject: Re: [Regression][v3.10][v3.11] net: Kill link between CSUM and SG features. References: <51E58C45.1080708@canonical.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1664 Lines: 49 On 07/16/2013 02:29 PM, Pravin Shelar wrote: > On Tue, Jul 16, 2013 at 11:09 AM, Joseph Salisbury > wrote: >> Hi Pravin, >> >> A bug was opened against the Ubuntu kernel[0]. After a kernel bisect, >> it was found that reverting the following commit resolved this bug: >> >> commit ec5f061564238892005257c83565a0b58ec79295 >> Author: Pravin B Shelar >> Date: Thu Mar 7 09:28:01 2013 +0000 >> >> net: Kill link between CSUM and SG features. >> >> >> The regression was introduced as of v3.10-rc1. >> >> I see that you are the author of this patch, so I wanted to run this by >> you. I was thinking of requesting a revert for v3.11, but I wanted to >> get your feedback first. >> >> > This issue was reported before and turning off sg solves problem for > HyperV driver. Drivers (intel and bnx2x) that I tested works fine with > this patch. Have you seen the issue on any other NIC? Thanks for the feedback. We have only seen it on Intel hardware. Can you send a pointer to the patch? If so, we can provide some additional testing. Do you plan on submitting the patch for inclusion in 3.11? > > >> Thanks, >> >> Joe >> >> [0] http://pad.lv/1200243 >> >> -- >> To unsubscribe from this list: send the line "unsubscribe netdev" in >> the body of a message to majordomo@vger.kernel.org >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/