Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752423Ab3IUPso (ORCPT ); Sat, 21 Sep 2013 11:48:44 -0400 Received: from mail-ie0-f172.google.com ([209.85.223.172]:35813 "EHLO mail-ie0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751857Ab3IUPsn (ORCPT ); Sat, 21 Sep 2013 11:48:43 -0400 MIME-Version: 1.0 X-Originating-IP: [178.83.130.250] In-Reply-To: References: Date: Sat, 21 Sep 2013 17:48:42 +0200 Message-ID: Subject: Re: i915 pipe A assertion failure (expected on, current off) From: Daniel Vetter To: Meelis Roos Cc: dri-devel , Linux Kernel list , Chris Wilson , =?ISO-8859-1?Q?Ville_Syrj=E4l=E4?= , intel-gfx Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1222 Lines: 30 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. Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- 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/