From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752423AbaFYER2 (ORCPT ); Wed, 25 Jun 2014 00:17:28 -0400 Received: from mail-vc0-f181.google.com ([209.85.220.181]:33886 "EHLO mail-vc0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750699AbaFYER0 (ORCPT ); Wed, 25 Jun 2014 00:17:26 -0400 MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 24 Jun 2014 21:17:25 -0700 X-Google-Sender-Auth: RDgEQ4IzWD_tN9TioVI48wzL4M4 Message-ID: Subject: Re: [PATCH] tcp: fix setting csum_start in tcp_gso_segment From: Linus Torvalds To: Tom Herbert Cc: David Miller , Dave Jones , Andrew Morton , Network Development , Linux Kernel Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jun 24, 2014 at 9:03 PM, Tom Herbert wrote: > > It looks like a likely culprit is that SKB_GSO_CB()->csum_start is > not set correctly when doing non-scatter gather. We are using > offset as opposed to doffset. > > Reported-by: Dave Jones DaveJ, I think you triggered this in five minutes on your box, and I don't recall seeing anybody else reporting the oops (and google doesn't find anything in the last month). So it's presumably somewhat hw-specific. Does this fix the problem? Linus