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Date: Sat, 19 Apr 2014 00:33:13 +0400
Message-ID: <CABtfrpDcZq=Ss=Zv9u0P3vz1D8rmgJ_jXGut-kZ0tkOmDZq9aw@mail.gmail.com> (sfid-20140418_223340_662750_77D47C4C)
Subject: Re: iwlwifi null pointer dereference
From: Alexander Monakov <amonakov@gmail.com>
To: Emmanuel Grumbach <egrumbach@gmail.com>
Cc: linux-wireless <linux-wireless@vger.kernel.org>
Content-Type: text/plain; charset=UTF-8
Sender: linux-wireless-owner@vger.kernel.org

On Fri, Apr 18, 2014 at 6:50 PM, Emmanuel Grumbach <egrumbach@gmail.com> 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 <emmanuel.grumbach@intel.com>
Date:   Mon Dec 9 11:09:47 2013 +0200

    iwlwifi: pcie: track interrupt mask in SW