Return-path: Received: from mail-ww0-f46.google.com ([74.125.82.46]:33052 "EHLO mail-ww0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752965Ab0DYVYK convert rfc822-to-8bit (ORCPT ); Sun, 25 Apr 2010 17:24:10 -0400 From: Pedro Francisco To: Jiri Slaby Subject: Re: ath5k misbehaving affecting other kernel parts unrelated? Date: Sun, 25 Apr 2010 22:24:04 +0100 Cc: me@bobcopeland.com, Vegard Nossum , "John W. Linville" , linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, mickflemm@gmail.com References: <201004230806.13628.pedrogfrancisco@gmail.com> <20100425192242.GA27921@hash.localnet> <4BD4A639.8000703@gmail.com> In-Reply-To: <4BD4A639.8000703@gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Message-Id: <201004252224.05509.pedrogfrancisco@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: A Domingo, 25 de Abril de 2010 21:29:45 Jiri Slaby escreveu: > On 04/25/2010 09:22 PM, me@bobcopeland.com wrote: > > On Sat, Apr 24, 2010 at 06:28:36PM +0100, Pedro Francisco wrote: > >> ======================================================================== > >> ===== [ 2658.663424] BUG kmalloc-4096: Poison overwritten > >> [ 2658.663483] > > > > Ok there are 4 messages here, two of them are definitely 802.11 beacons, > > which would point the finger squarely at ath5k. We had reports of this > > some time ago but a few things got rewritten around that time. I'd guess > > the rx DMA code is still subtly broken. > > > >> 6b 6b kkkkkkkkkkkkkkkk > >> [ 2658.664816] Object 0xed3db0c0: c4 00 84 00 00 22 43 89 42 69 4e 12 > >> ca 6f 6f 6f �...."C.BiN.�ooo > >> [ 4689.945547] Object 0xed3d9080: c4 00 70 00 00 22 43 89 42 69 fe 08 > >> eb 14 14 14 �.p.."C.Bi�.�... > > > > Offhand, I'm not sure what pattern these are. > > These are CTS frames. So I think ath5k is to blame too :/. > > regards, Do note that's on a 2.6.32 kernel. I've however a new dmesg/syslog which on a 2.6.34-rc5-daily has the same kind of issues. It's 400kB in size..... Do you want me to send it to the mailing list? Or should I open a bug report on the kernel bugzilla and post them there? Or do both? -- Pedro