From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754585Ab0ENBPV (ORCPT ); Thu, 13 May 2010 21:15:21 -0400 Received: from mail30f.wh2.ocn.ne.jp ([220.111.41.203]:5425 "HELO mail30f.wh2.ocn.ne.jp" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754052Ab0ENBPU (ORCPT ); Thu, 13 May 2010 21:15:20 -0400 X-Greylist: delayed 396 seconds by postgrey-1.27 at vger.kernel.org; Thu, 13 May 2010 21:15:19 EDT From: Bruno Randolf To: "Justin P. Mattock" Subject: Re: ath9k: BUG kmalloc-8192: Poison overwritten Date: Fri, 14 May 2010 10:08:20 +0900 User-Agent: KMail/1.13.2 (Linux/2.6.32-22-generic; KDE/4.4.2; x86_64; ; ) Cc: "Luis R. Rodriguez" , linux-wireless@vger.kernel.org, Linux Kernel Mailing List References: <4BEC7A84.3010503@gmail.com> <4BEC9E6B.30809@gmail.com> In-Reply-To: <4BEC9E6B.30809@gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201005141008.20667.br1@einfach.org> X-SF-Loop: 1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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