Return-path: Received: from mail-pv0-f174.google.com ([74.125.83.174]:47093 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752596Ab0IWOxz (ORCPT ); Thu, 23 Sep 2010 10:53:55 -0400 Received: by pvg2 with SMTP id 2so423357pvg.19 for ; Thu, 23 Sep 2010 07:53:55 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <1285231958.3691.10.camel@jlt3.sipsolutions.net> References: <1285201037-29405-1-git-send-email-lrodriguez@atheros.com> <20100923002240.GA4484@tux> <1285231958.3691.10.camel@jlt3.sipsolutions.net> From: "Luis R. Rodriguez" Date: Thu, 23 Sep 2010 07:53:34 -0700 Message-ID: Subject: Re: [PATCH] wifi-test: add simple roam test script To: Johannes Berg , "Rafael J. Wysocki" Cc: "jiajia.zheng@intel.com" , "linux-wireless@vger.kernel.org" , "wifi-test-devel@lists.sourceforge.net" , Luis Rodriguez , Paul Stewart Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Sep 23, 2010 at 1:52 AM, Johannes Berg wrote: > On Wed, 2010-09-22 at 17:22 -0700, Luis R. Rodriguez wrote: > >> After roaming for a good while, this is what I got, not sure >> yet what caused the NULL pointer dereference... Am I the only >> one able to reproduce this? > >> [ 3276.730081] BUG: unable to handle kernel NULL pointer dereference at 0000000000000003 >> [ 3276.730148] IP: [<0000000000000003>] 0x3 > > Something called a NULL pointer function pointer. Rafael recently said > "cpuidle is buggy" when a similar issue came up: > http://mid.gmane.org/201009182344.12498.rjw@sisk.pl But that seems related to ACPI, no? On my box I never suspended, I just associated and disassociated rapidly between two peers. The only suspicion I have is its obviously right after adding the STA peer. Luis