From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Morton Subject: Re: [Bugme-new] [Bug 10205] New: BUG: Display gets corrupted when using lxfb driver on a GeodeLX 5535 based chipset Date: Sun, 9 Mar 2008 15:54:15 -0700 Message-ID: <20080309155415.6857e199.akpm@linux-foundation.org> References: <20080309115427.2f39dc93.akpm@linux-foundation.org> <200803092231.13945.rjw@sisk.pl> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1JYUPv-0003sF-5I for linux-fbdev-devel@lists.sourceforge.net; Sun, 09 Mar 2008 15:54:55 -0700 Received: from smtp1.linux-foundation.org ([140.211.169.13]) by mail.sourceforge.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.44) id 1JYUPs-0005BO-Nh for linux-fbdev-devel@lists.sourceforge.net; Sun, 09 Mar 2008 15:54:55 -0700 In-Reply-To: <200803092231.13945.rjw@sisk.pl> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-fbdev-devel-bounces@lists.sourceforge.net Errors-To: linux-fbdev-devel-bounces@lists.sourceforge.net To: "Rafael J. Wysocki" Cc: nestorac@gmail.com, Jordan Crouse , linux-fbdev-devel@lists.sourceforge.net On Sun, 9 Mar 2008 22:31:13 +0100 "Rafael J. Wysocki" wrote: > On Sunday, 9 of March 2008, Andrew Morton wrote: > > On Sun, 9 Mar 2008 08:55:52 -0700 (PDT) bugme-daemon@bugzilla.kernel.org wrote: > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=10205 > > > > > > Summary: BUG: Display gets corrupted when using lxfb driver on a > > > GeodeLX 5535 based chipset > > > Product: Drivers > > > Version: 2.5 > > > KernelVersion: 2.6.24.2 > > > Platform: All > > > OS/Version: Linux > > > Tree: Mainline > > > Status: NEW > > > Severity: normal > > > Priority: P1 > > > Component: Console/Framebuffers > > > AssignedTo: jsimmons@infradead.org > > > ReportedBy: nestorac@gmail.com > > > > > > > > > Latest working kernel version: > > > None or unknown > > > Earliest failing kernel version: > > > Latest version > > > Distribution: > > > Debian Stable (Etch) > > > Hardware Environment: > > > AMD Geode 32 bit A830 board, 5536 chipset based embedded computer (TFT 10" > > > 800x600), with GeodeLX embedded GPU. It's webpage is at: > > > http://www.winmatev.com.tw/PPc/PPcSpec.asp?Prod=03_0013&Typeid=03020101 > > > I own a cheaper version using GeodeGX 500 processor, 256MiB RAM, no > > > touchscreen. > > > Software Environment: > > > Debian 4.0 Stable (Etch), Kernel 2.4.22.2 vanilla + AUFS patch (it has nothing > > > to do with graphics, but BTW...), all i386, kernel specifically compiled for > > > Geode GX/LX Processor target (but also does not work for generic i386 target). > > > Problem Description: > > > I get a blurry screen when trying to enable Framebuffer, vga=788 > > > option (800x600). Screen gets corrupted, but when I start X.org, it shows > > > Ok, until I switch again to console. Everything works fine with Vesa FB, > > > except that, of course, it's more CPU consuming and slower [supposedly]. > > > When blurry, screen looks like it was under a lake. > > > Steps to reproduce: > > > 1) Compile the kernel, include support for GeodeLX Framebuffer. > > > 2) Install the kernel on the machine > > > 3) Boot it up, adding vga=788 mode to bootloader. > > > 4) Screen gets completely blurry until X.org starts. > > > > > > > Guys, this is a post-2.6.24 regression > > Hm, what exactly makes you think so? Beats me. I was probably looking at the wrong report when I decided that. > The failing kernel version is 2.6.24.2, so most probably the problem is present > in 2.6.24 as well. > > Moreover, the reporter didn't specify the last known good kernel, so it might > not be a regression at all. Yup. ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/