From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752388AbZKQEx7 (ORCPT ); Mon, 16 Nov 2009 23:53:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752168AbZKQEx6 (ORCPT ); Mon, 16 Nov 2009 23:53:58 -0500 Received: from 71-20-254-182.war.clearwire-wmx.net ([71.20.254.182]:55634 "EHLO kingsolver.anholt.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751999AbZKQEx6 (ORCPT ); Mon, 16 Nov 2009 23:53:58 -0500 Subject: Re: [BUG] intel KMS bug on i915 From: Eric Anholt To: Mathieu Taillefumier Cc: linux-kernel@vger.kernel.org In-Reply-To: <4AFAA396.5040903@free.fr> References: <4AFAA396.5040903@free.fr> Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="=-Wnb7eFM/854RNMmiLQPz" Date: Mon, 16 Nov 2009 20:54:21 -0800 Message-Id: <1258433661.4882.5.camel@gaiman.anholt.net> Mime-Version: 1.0 X-Mailer: Evolution 2.28.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-Wnb7eFM/854RNMmiLQPz Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Wed, 2009-11-11 at 12:44 +0100, Mathieu Taillefumier wrote: > Hello, >=20 > I recently switched to the last git kernel (the rc6) and have a serious=20 > problem with KMS and xorg. I reported it to the xorg list but after some=20 > research it seems that this problem is caused by some recent change in=20 > the intel KMS stack. Some warnings and errors are reported by the=20 > kernel. they are the following (only a small part of it): >=20 > [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung > render error detected, EIR: 0x00000000 > i915: Waking up sleeping processes > [drm:i915_wait_request] *ERROR* i915_wait_request returns -5 (awaiting 2=20 > at 1) > [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck timer elapsed... GPU hung > render error detected, EIR: 0x00000000 >=20 > This problem is recurrent with all 2.6.32-rc versions and gives rise to=20 > an unusable xorg (independent of the version), while the same xorg stack=20 > works pretty well with the 2.6.31 kernel. The hardware is a sony laptop=20 > with a intel 965 chipset and the bug can be reproduced at 100% Could you bisect the problem? I don't think I've seen reports of this (fails at a time other than resume) --=20 Eric Anholt eric@anholt.net eric.anholt@intel.com --=-Wnb7eFM/854RNMmiLQPz Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iEYEABECAAYFAksCLHwACgkQHUdvYGzw6vf7dACggjzJRg04UGM1jFaBvxYSXiTU FXEAniTHSuAEsy4qvqleDECgWdi3mirj =VLCQ -----END PGP SIGNATURE----- --=-Wnb7eFM/854RNMmiLQPz--