Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752567Ab3IUQDQ (ORCPT ); Sat, 21 Sep 2013 12:03:16 -0400 Received: from filtteri5.pp.htv.fi ([213.243.153.188]:46276 "EHLO filtteri5.pp.htv.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751923Ab3IUQDP (ORCPT ); Sat, 21 Sep 2013 12:03:15 -0400 Date: Sat, 21 Sep 2013 19:03:06 +0300 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= To: Daniel Vetter Cc: Meelis Roos , intel-gfx , Linux Kernel list , dri-devel Subject: Re: i915 pipe A assertion failure (expected on, current off) Message-ID: <20130921160306.GE3501@sci.fi> Mail-Followup-To: Daniel Vetter , Meelis Roos , intel-gfx , Linux Kernel list , dri-devel References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: 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 Content-Length: 1362 Lines: 33 On Sat, Sep 21, 2013 at 05:48:42PM +0200, Daniel Vetter wrote: > On Sat, Sep 21, 2013 at 5:29 PM, Meelis Roos wrote: > >> Tried 3.11-rc7 on Thinkpad X30 (first 3-11-rc tried on this hw). Works > >> but i915 gives strange assertion failure with WARNING stack trace. This > >> is new since 3.10. > > > > It is still there with 3.12-rc1 but now I git around to bisecting it. > > This is the commit that introduces the warning. > > > > commit 9f11a9e4e50006b615ba94722dfc33ced89664cf > > Author: Daniel Vetter > > Date: Thu Jun 13 00:54:58 2013 +0200 > > > > drm/i915: set up PIPECONF explicitly for i9xx/vlv platforms > > My apologies for not responding to your first report, fell through the > cracks somehow. Can you please boot with drm.debug=0xe, reproduce the > WARN and grab the full dmesg (please make sure everything from boot-up > is in there). That's usually enough to figure out what's going wrong > here. I'd say it's a simple matter of forgetting about QUIRK_PIPEA_FORCE in i9xx_set_pipeconf(). -- Ville Syrj?l? syrjala@sci.fi http://www.sci.fi/~syrjala/ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/