Return-path: Received: from mail-iw0-f174.google.com ([209.85.214.174]:55633 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753658Ab0JLBDu convert rfc822-to-8bit (ORCPT ); Mon, 11 Oct 2010 21:03:50 -0400 Received: by iwn7 with SMTP id 7so48477iwn.19 for ; Mon, 11 Oct 2010 18:03:49 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <4CB378CD.1080800@candelatech.com> References: <4CAB59B2.5050106@candelatech.com> <4CAB5F3D.9060201@candelatech.com> <4CAB627F.8020804@candelatech.com> <4CAB64AD.4080105@candelatech.com> <4CAB6B08.4050801@candelatech.com> <4CAE0474.4090605@candelatech.com> <1286475250.20974.22.camel@jlt3.sipsolutions.net> <4CAE13F6.2010003@candelatech.com> <4CAE1DFB.303@candelatech.com> <1286479642.20974.32.camel@jlt3.sipsolutions.net> <4CB378CD.1080800@candelatech.com> From: "Luis R. Rodriguez" Date: Mon, 11 Oct 2010 18:03:29 -0700 Message-ID: Subject: Re: memory clobber in rx path, maybe related to ath9k. To: Ben Greear Cc: Johannes Berg , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Oct 11, 2010 at 1:51 PM, Ben Greear wrote: > On 10/07/2010 02:59 PM, Luis R. Rodriguez wrote: >> >> On Thu, Oct 7, 2010 at 2:36 PM, Luis R. Rodriguez >>  wrote: > >>>> But other than this I got nothing. I left the box sit there for about >>>> 1 hour and came back and it was still going with no issues. Mind you, >>>> I can't ping but that seems like another issue. >>>> >>>> You can find my logs here: >>>> >>>> >>>> http://www.kernel.org/pub/linux/kernel/people/mcgrof/logs/2010/10-07-stress-sta-01/ >>> >>> Doh, I did not have CONFIG_SLUB_DEBUG_ON=y so building now with that. >> >> Yay I can reproduce now. I'll be back, going to dig now. > > Any luck tracking this down? No, today for example I just finished reading e-mail and its already 6pm PST... But Friday I did get do do a lot of work and testing on this. The only pattern I see so far is that skb_copy() is used on the poison all the time. I am not sure if its because skb_copy() happens to run the poison check or what. I'll work on this tomorrow. Luis