Return-path: Received: from mail.candelatech.com ([208.74.158.172]:58935 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751892Ab0JERiK (ORCPT ); Tue, 5 Oct 2010 13:38:10 -0400 Message-ID: <4CAB627F.8020804@candelatech.com> Date: Tue, 05 Oct 2010 10:38:07 -0700 From: Ben Greear MIME-Version: 1.0 To: "Luis R. Rodriguez" CC: "linux-wireless@vger.kernel.org" Subject: Re: memory clobber in rx path, maybe related to ath9k. References: <4CAB59B2.5050106@candelatech.com> <4CAB5F3D.9060201@candelatech.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 10/05/2010 10:36 AM, Luis R. Rodriguez wrote: > On Tue, Oct 5, 2010 at 10:24 AM, Ben Greear wrote: >> On 10/05/2010 10:16 AM, Luis R. Rodriguez wrote: >>> >>> On Tue, Oct 5, 2010 at 10:00 AM, Ben Greear >>> wrote: >>>> >>>> I started seeing this very soon after creating interfaces. >>> >>> Can you be more specific how one can reproduce? >> >> Enable SLUB debugging, DEBUG_PAGEALLOC (Debug page memory allocations), >> lockdep, pre-empt. > > OK I just enabled PAGE_ALLOC thingy, it wasn't enabled on my kernel. > >> Please try creating a bunch of stations on one ath9k phy, > > How many? 130 is a nice round number :) I'll try with a smaller number and see if I can hit it. Thanks, Ben > > Luis -- Ben Greear Candela Technologies Inc http://www.candelatech.com