From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755410Ab0IPS1B (ORCPT ); Thu, 16 Sep 2010 14:27:01 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:35133 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754164Ab0IPS1A (ORCPT ); Thu, 16 Sep 2010 14:27:00 -0400 From: "Rafael J. Wysocki" To: Simon Kirby Subject: Re: [linux-pm] [2.6.36-rc4/HEAD] unable to handle kernel NULL pointer dereference?(plist_add) Date: Thu, 16 Sep 2010 20:26:16 +0200 User-Agent: KMail/1.13.5 (Linux/2.6.36-rc4-rjw+; KDE/4.4.4; x86_64; ; ) Cc: linux-pm@lists.linux-foundation.org, linux-kernel@vger.kernel.org, James Bottomley , mark gross , Takashi Iwai References: <20100913070034.GA4820@hostway.ca> <201009142238.25840.rjw@sisk.pl> <20100915234633.GW23979@hostway.ca> In-Reply-To: <20100915234633.GW23979@hostway.ca> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201009162026.17003.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thursday, September 16, 2010, Simon Kirby wrote: > On Tue, Sep 14, 2010 at 10:38:25PM +0200, Rafael J. Wysocki wrote: > > > Hmm, interesting. This looks like a plist corruption to me, but can you please > > check (using gdb) what line of code corresponds to the address > > plist_add+0x36/0xa0 ? > > I ended up rebuilding since then, and I enabled a bunch of debugging > stuff. Does this help make it more obvious? I'll try your other patch > tonight, but I still don't get what's wrong with the existing code. That's not necessary, since the https://bugzilla.kernel.org/show_bug.cgi?id=17922 patch works for you. Thanks, Rafael