Return-path: Received: from mail-ww0-f46.google.com ([74.125.82.46]:65260 "EHLO mail-ww0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752414Ab0D0LEh convert rfc822-to-8bit (ORCPT ); Tue, 27 Apr 2010 07:04:37 -0400 From: Pedro Francisco To: Jiri Slaby Subject: Re: ath5k misbehaving affecting other kernel parts unrelated? Date: Tue, 27 Apr 2010 12:04:29 +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> <4BD4A639.8000703@gmail.com> <201004252224.05509.pedrogfrancisco@gmail.com> In-Reply-To: <201004252224.05509.pedrogfrancisco@gmail.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Message-Id: <201004271204.30068.pedrogfrancisco@gmail.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: A Domingo, 25 de Abril de 2010 22:24:04 Pedro Francisco escreveu: > 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? Now live on... https://bugzilla.kernel.org/show_bug.cgi?id=15861 -- Pedro