From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751610Ab1IXOtI (ORCPT ); Sat, 24 Sep 2011 10:49:08 -0400 Received: from home.keithp.com ([63.227.221.253]:39672 "EHLO keithp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751459Ab1IXOtH (ORCPT ); Sat, 24 Sep 2011 10:49:07 -0400 From: Keith Packard To: Alex Davis , "linux-kernel\@vger.kernel.org" Subject: Re: [Regression] Laptop screen dark when lid closed and reopened.with 3.1 In-Reply-To: <1316868946.61433.YahooMailNeo@web130123.mail.mud.yahoo.com> References: <1316478488.72684.YahooMailNeo@web130114.mail.mud.yahoo.com> <1316868946.61433.YahooMailNeo@web130123.mail.mud.yahoo.com> User-Agent: Notmuch/0.6.1-66-ga900dda (http://notmuchmail.org) Emacs/23.3.1 (i486-pc-linux-gnu) Date: Sat, 24 Sep 2011 07:48:59 -0700 Message-ID: MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-=-= Content-Transfer-Encoding: quoted-printable On Sat, 24 Sep 2011 05:55:46 -0700 (PDT), Alex Davis = wrote: >=20 >=20 > I have a laptop running Slackware64 13.37. With 3.1rc2, rc5, rc6, and > rc7 the display stays dark when the lid is reopened. The display is > restored correctly with 3.0.2 and 3.0.3. I'm using KDE 4.5.5. I > attached scripts to the brightness function keys which allow me to > adjust the brightness manually, which revealed another regression: the > password dialog to unlock the screen does not appear until I switch to > the text console and back to my X session. If you can, please send along a kernel log with drm.debug=3D5 and the output of intel_reg_dumper run when the screen is working and when it is black -- you'll need to use ssh from another computer to capture the latter. intel_reg_dumper can be found at: git://anongit.freedesktop.org/git/xorg/app/intel-gpu-tools I suspect you're hitting some of the backlight changes. Hard to believe that something as simple as a light could be so complicated... =2D-=20 keith.packard@intel.com --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iD8DBQFOfe3bQp8BWwlsTdMRAj9RAJ9Gziohs1we3iEMbUgq+Pu1iSmt5wCeJWDE CGqdJ3v9IANdT5pjNKIrqD4= =MaFM -----END PGP SIGNATURE----- --=-=-=--