From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752435Ab2GZPrI (ORCPT ); Thu, 26 Jul 2012 11:47:08 -0400 Received: from mail-ey0-f174.google.com ([209.85.215.174]:51769 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751966Ab2GZPrG (ORCPT ); Thu, 26 Jul 2012 11:47:06 -0400 Date: Thu, 26 Jul 2012 17:47:09 +0200 From: Marcin Slusarz To: Ortwin =?utf-8?B?R2zDvGNr?= Cc: linux-kernel@vger.kernel.org, bskeggs@redhat.com, dri-devel@lists.freedesktop.org, airlied@redhat.com Subject: Re: drm/nouveau: crash regression in 3.5 Message-ID: <20120726154709.GA3220@joi.lan> References: <500D916A.60703@odi.ch> <20120724170002.GA3129@joi.lan> <500ED9EC.5040309@odi.ch> <20120724205746.GA8707@joi.lan> <500FB279.1020904@odi.ch> <20120725184205.GA3119@joi.lan> <50113E76.9090706@odi.ch> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <50113E76.9090706@odi.ch> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jul 26, 2012 at 02:56:22PM +0200, Ortwin Glück wrote: > On 25.07.2012 20:42, Marcin Slusarz wrote: > > Good, below patch should fix this panic. > > > > Note that you can hit an oops in drm_handle_vblank because patch from > > http://lists.freedesktop.org/archives/dri-devel/2012-May/023498.html > > has not been applied (yet?). > > After applying your patch, it still crashes, although with a slightly > different stack trace. I then also applied the second patch, but that > doesn't make any difference. New log attached. > > Looks like interrupt occurs before nouveau_software_context_new() is > called? Shouldn't the initialization be done from > nouveau_irq_preinstall() so it is available when the irq occurs? Again, > I am not an expert here. Just guessing... I didn't look at it yet, but can you catch panic with maxcpus=1? Marcin