Return-path: Received: from fg-out-1718.google.com ([72.14.220.156]:25643 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753834Ab0DYUf6 (ORCPT ); Sun, 25 Apr 2010 16:35:58 -0400 Message-ID: <4BD4A639.8000703@gmail.com> Date: Sun, 25 Apr 2010 22:29:45 +0200 From: Jiri Slaby MIME-Version: 1.0 To: me@bobcopeland.com CC: Pedro Francisco , Vegard Nossum , "John W. Linville" , linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, mickflemm@gmail.com Subject: Re: ath5k misbehaving affecting other kernel parts unrelated? References: <201004230806.13628.pedrogfrancisco@gmail.com> <201004240956.45899.pedrogfrancisco@gmail.com> <201004241828.37489.pedrogfrancisco@gmail.com> <20100425192242.GA27921@hash.localnet> In-Reply-To: <20100425192242.GA27921@hash.localnet> Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: 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, -- js