Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755059AbZGOOfN (ORCPT ); Wed, 15 Jul 2009 10:35:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752675AbZGOOfN (ORCPT ); Wed, 15 Jul 2009 10:35:13 -0400 Received: from out1.smtp.messagingengine.com ([66.111.4.25]:35584 "EHLO out1.smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752485AbZGOOfM (ORCPT ); Wed, 15 Jul 2009 10:35:12 -0400 X-Sasl-enc: KtWw8q43M2bkZtXNwgfVUg6B8xPt4NgubLhMUaNbZBUd 1247668511 Date: Wed, 15 Jul 2009 11:35:09 -0300 From: Henrique de Moraes Holschuh To: Tobias Diedrich , Pavel Machek , kernel list Subject: Re: 2.6.31-rc2: thinkpad boots with backlight low Message-ID: <20090715143509.GC22098@khazad-dum.debian.net> References: <20090714092513.GB2010@elf.ucw.cz> <20090715112204.GA16289@yamamaya.is-a-geek.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090715112204.GA16289@yamamaya.is-a-geek.org> X-GPG-Fingerprint: 1024D/1CDB0FE3 5422 5C61 F6B7 06FB 7E04 3738 EE25 DE3F 1CDB 0FE3 User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 723 Lines: 16 There is one thing that comes to mind: display power management. Is anything, by chance, setting the backlight devices to low power mode on machine restart? The backlight drivers would try to set brightness to 0 when it cannot turn the display off for real... -- "One disk to rule them all, One disk to find them. One disk to bring them all and in the darkness grind them. In the Land of Redmond where the shadows lie." -- The Silicon Valley Tarot Henrique Holschuh -- 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/