Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758135AbYFLU6T (ORCPT ); Thu, 12 Jun 2008 16:58:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754522AbYFLU6J (ORCPT ); Thu, 12 Jun 2008 16:58:09 -0400 Received: from outbound-mail-120.bluehost.com ([69.89.18.6]:56419 "HELO outbound-mail-120.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754496AbYFLU6I convert rfc822-to-8bit (ORCPT ); Thu, 12 Jun 2008 16:58:08 -0400 From: Jesse Barnes To: Justin Madru Subject: Re: [regression?] Sometime (often) X come out blank (black screen) on cold boot - Intel chipset Date: Thu, 12 Jun 2008 13:58:00 -0700 User-Agent: KMail/1.9.9 Cc: Romano Giannetti , "Rafael J. Wysocki" , lkml , =?utf-8?q?Sa=C3=AFvann_Carignan?= References: <1213101501.21041.9.camel@pern> <484F5582.5000805@gawab.com> In-Reply-To: <484F5582.5000805@gawab.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8BIT Content-Disposition: inline Message-Id: <200806121358.01514.jbarnes@virtuousgeek.org> X-Identified-User: {642:box128.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 75.111.27.49 authed with jbarnes@virtuousgeek.org} DomainKey-Status: no signature Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1006 Lines: 21 On Tuesday, June 10, 2008 9:33 pm Justin Madru wrote: > Jesse, > It seems the problem might be related to usplash. In each reported > case Ubuntu and usplash were used, and disabling usplash (at least for > me) seems to fix the problem. Could there be some timing feature that > usplash uses that isn't guaranteed/changed with some optimizations of > CFS (or HR-timers) that went into 2.6.25? I've cc'ed Saïvann Carignan, > who seems to be the most active contributer to usplash. Yeah, usplash really seems to affect things to make the bug more visible, but I still suspect a timing bug in xf86-video-intel... Unfortunately those are hard to find & debug, but we're working on some related stuff, so hopefully we'll find & fix it soon. Thanks, Jesse -- 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/