From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-wi0-f178.google.com ([209.85.212.178]:36734 "EHLO mail-wi0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751044AbaDTGGR (ORCPT ); Sun, 20 Apr 2014 02:06:17 -0400 Received: by mail-wi0-f178.google.com with SMTP id bs8so836862wib.5 for ; Sat, 19 Apr 2014 23:06:15 -0700 (PDT) Message-ID: <535363D5.4070708@gmail.com> (sfid-20140420_080651_369630_3388EB10) Date: Sun, 20 Apr 2014 09:06:13 +0300 From: Emmanuel Grumbach MIME-Version: 1.0 To: Alexander Monakov CC: linux-wireless Subject: Re: iwlwifi null pointer dereference References: <5350B340.9020201@gmail.com> <53512D04.5070808@gmail.com> <53513BC4.7020502@gmail.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi, On 04/18/2014 11:33 PM, Alexander Monakov wrote: > On Fri, Apr 18, 2014 at 6:50 PM, Emmanuel Grumbach wrote: >>>> I have to say that this is really strange - I must miss something. It looks like the ISR is called even before it is requested... >>>> So I definitely want to understand what is happening here before applying the fix. >>> >>> Sure, I can help with further investigation. Would it help if I bisected? >>> >> >> I can't decline such an offer:) >> >> Note that the "bad" commit might be in pci too. >> As a first try, I'd try 3.13. >> I've made quite a few changes in the ISR for 3.14. > > It bisects to > > commit 2dbc368d7fded35ed221a3751405b15e06eb8925 > Author: Emmanuel Grumbach > Date: Mon Dec 9 11:09:47 2013 +0200 > > iwlwifi: pcie: track interrupt mask in SW > Yeah - ok. Thank you for this information. I'll check again later.