From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: [PATCH] af_packet: Don't use skb after dev_queue_xmit() Date: Mon, 18 Jan 2010 00:05:31 +0100 Message-ID: <20100117230531.GC3161@del.dom.local> References: <4B47A81B.5040601@majjas.com> <4B4809EF.1070609@majjas.com> <20100109122830.GA4386@del.dom.local> <4B48CC2C.2090403@majjas.com> <4B4E2F89.2050606@majjas.com> <20100113210908.GA3065@del.dom.local> <4B4E3834.3000609@majjas.com> <4B533A46.9050600@majjas.com> <20100117221746.GA3161@del.dom.local> <4B53906B.2020608@majjas.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Stephen Hemminger , David Miller , akpm@linux-foundation.org, flyboy@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org To: Michael Breuer Return-path: Received: from mail-fx0-f225.google.com ([209.85.220.225]:40757 "EHLO mail-fx0-f225.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753033Ab0AQXFh (ORCPT ); Sun, 17 Jan 2010 18:05:37 -0500 Content-Disposition: inline In-Reply-To: <4B53906B.2020608@majjas.com> Sender: netdev-owner@vger.kernel.org List-ID: On Sun, Jan 17, 2010 at 05:34:19PM -0500, Michael Breuer wrote: > On 1/17/2010 5:17 PM, Jarek Poplawski wrote: > >On Sun, Jan 17, 2010 at 11:26:46AM -0500, Michael Breuer wrote: > >>On 01/13/2010 04:16 PM, Michael Breuer wrote: > >>>On 1/13/2010 4:09 PM, Jarek Poplawski wrote: > >>>>On Wed, Jan 13, 2010 at 03:39:37PM -0500, Michael Breuer wrote: > >>>> > >>Update: after leaving the system up for a few days, I hit the DMAR > >>error again. > >My proposal is to send some summary as a new thread, with dmar in the > >subject, and cc-ed dmar maintainers. > > > Not sure I agree. The symptoms are identical to those I hit without > DMAR earlier on. Also, as this issue only happens when there is high > receive load, I'm thinking there's some sort of race between TX and > RX within the sky2 driver, or hardware. I think that DMAR is > correctly catching the error. Hmm... OK, then let's wait with this report and go back to testing it "really really long" ;-) without DMAR, and maybe without the last Stephen's patch either? (So only the two things in the current linux-2.6.) Jarek P.