From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754666Ab0ENBXS (ORCPT ); Thu, 13 May 2010 21:23:18 -0400 Received: from mail.atheros.com ([12.36.123.2]:55304 "EHLO mail.atheros.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753025Ab0ENBXQ (ORCPT ); Thu, 13 May 2010 21:23:16 -0400 Date: Thu, 13 May 2010 18:23:14 -0700 From: "Luis R. Rodriguez" To: "Justin P. Mattock" CC: Bruno Randolf , Luis Rodriguez , "linux-wireless@vger.kernel.org" , Linux Kernel Mailing List Subject: Re: ath9k: BUG kmalloc-8192: Poison overwritten Message-ID: <20100514012314.GA2170@tux> References: <4BEC7A84.3010503@gmail.com> <4BEC9E6B.30809@gmail.com> <201005141008.20667.br1@einfach.org> <4BECA3AE.4070607@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <4BECA3AE.4070607@gmail.com> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, May 13, 2010 at 06:13:18PM -0700, Justin P. Mattock wrote: > On 05/13/10 18:08, Bruno Randolf wrote: > > On Friday 14 May 2010 09:50:51 Justin P. Mattock wrote: > >> On 05/13/10 17:28, Luis R. Rodriguez wrote: > >>> On Thu, May 13, 2010 at 5:21 PM, Justin P. Mattock > >>> > >>> wrote: > >>>> On 05/13/10 16:01, Luis R. Rodriguez wrote: > >>>>> On Thu, May 13, 2010 at 3:17 PM, Justin P. Mattock > >>>>> > >>>>> wrote: > >>>>>> not sure what this is, but while at a convention > >>>>>> I was trying to access the internet and(below is > >>>>>> full dmesg) this showed up. > >>>>>> > >>>>>> After receiving this, I sat and tried to re-create > >>>>>> my steps to reproduce but had no luck(was even going > >>>>>> todo a bisect n the spot if I could re-create). > >>>>> > >>>>> OK this stuff is hard to reproduce it seems.. you have an Atheros > >>>>> AR5418 MAC/BB Rev:2 AR5133 RF Rev:81, what kconfig option do you use > >>>>> to get the poison stuff? I am just surprised we haven't seen it > >>>>> ourselves yet. Let me make sure all of us get this kconfig option > >>>>> enabled. > >>>>> > >>>>> Luis > >>>> > >>>> CONFIG_ATH_COMMON=m > >>>> # CONFIG_ATH_DEBUG is not set > >>>> CONFIG_ATH5K=m > >>>> # CONFIG_ATH5K_DEBUG is not set > >>>> CONFIG_ATH9K_HW=m > >>>> CONFIG_ATH9K_COMMON=m > >>>> CONFIG_ATH9K=m > >>>> # CONFIG_ATH9K_DEBUGFS is not set > >>>> > >>>> if you need my .config let me know. > >>>> (I can try again reproducing, but man > >>>> just doesn't easily fire off). > >>> > >>> Oh I mean the config options to enable the poison rant. > >>> > >>> Luis > >> > >> shoot.. not sure how to grep for the right info > >> in the .config for you, heres what grepping for COFIG_DEBUG > >> looks like: > >> CONFIG_DEBUG_FS=y > >> CONFIG_DEBUG_KERNEL=y > >> CONFIG_DEBUG_RT_MUTEXES=y > >> CONFIG_DEBUG_PI_LIST=y > >> CONFIG_DEBUG_SPINLOCK=y > >> CONFIG_DEBUG_MUTEXES=y > >> CONFIG_DEBUG_BUGVERBOSE=y > >> CONFIG_DEBUG_MEMORY_INIT=y > >> CONFIG_DEBUG_STACKOVERFLOW=y > > > > oh, this reminds me of a similar report we had for ath5k: > > > > https://bugzilla.kernel.org/show_bug.cgi?id=15861 > > > > the subject on this mailing list was "ath5k misbehaving affecting other kernel > > parts unrelated?" > > > > bruno > > > > Could be.. From what I remember > all I was doing was switching from > one wireless network to another > (then opening firefox to sign my life away). Were you using network-manager? Or the supplicant manually? Luis