Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754591Ab0ALRoG (ORCPT ); Tue, 12 Jan 2010 12:44:06 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751475Ab0ALRoB (ORCPT ); Tue, 12 Jan 2010 12:44:01 -0500 Received: from www17.your-server.de ([213.133.104.17]:54527 "EHLO www17.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753649Ab0ALRn7 (ORCPT ); Tue, 12 Jan 2010 12:43:59 -0500 Subject: Re: [Bug #14670] i915: playing video via XVideo extension makes the screen flicker From: Thomas Meyer To: Jesse Barnes Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Eric Anholt In-Reply-To: <20100111111941.189eb41e@jbarnes-piketon> References: <1263228784.12830.0.camel@localhost.localdomain> <20100111085527.104f5c3e@jbarnes-piketon> <8B599161-2977-4A43-B88F-36E87AFCF4EA@m3y3r.de> <20100111111941.189eb41e@jbarnes-piketon> Content-Type: text/plain; charset="UTF-8" Date: Tue, 12 Jan 2010 18:43:09 +0100 Message-ID: <1263318189.3284.2.camel@localhost.localdomain> Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 (2.28.2-1.fc12) Content-Transfer-Encoding: 7bit X-Authenticated-Sender: thomas@m3y3r.de Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2331 Lines: 66 Am Montag, den 11.01.2010, 11:19 -0800 schrieb Jesse Barnes: > On Mon, 11 Jan 2010 20:03:57 +0100 > Thomas Meyer wrote: > > > > > > > Am 11.01.2010 um 17:55 schrieb Jesse Barnes > > : > > > > > On Mon, 11 Jan 2010 17:53:04 +0100 > > > Thomas Meyer wrote: > > > > > >> Am Sonntag, den 10.01.2010, 23:56 +0100 schrieb Rafael J. Wysocki: > > >>> This message has been generated automatically as a part of a > > >>> report of regressions introduced between 2.6.31 and 2.6.32. > > >>> > > >>> The following bug entry is on the current list of known > > >>> regressions introduced between 2.6.31 and 2.6.32. Please verify > > >>> if it still should be listed and let me know (either way). > > >>> > > >> > > >> Yes, still should be listed. > > >> > > >> Problem still exists in 2.6.32.3 and 2.6.33-rc3-00097-g2c1f189, > > >> that contains > > >> this commit: > > >> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=cda9d05c499093c67b4a376a15009923acc2127a > > >> > > >> The above commit removes the render reclock support, that ought to > > >> fix a common kind of problem encountered on i915 hardware, but not > > >> on my machine. > > >> > > >> Still need to boot with "nomodeset" to have a workable system. > > > > > > Does this patch prevent the flicker? > > > > By the way: how often and in what interval is the function > > intel_lvds_detect called? > > > > How long will/can the function acpi_lid_open take to complete? > > Maybe some acpi interpretation takes really long? Is this possible? > > > > Would this explain the flickering? > > It should only be called when a client requests the connection status > (e.g. xrandr or the GNOME display applet). how to check how often this function is called and it's duration? is the function tracer capable of this? > > The LVDS state will also be checked at ACPI LID event time, maybe your > platforms is getting spurious LID events? maybe! where can I check this? acpid log file? > > If not, this bisection really confuses me... -- 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/