From mboxrd@z Thu Jan 1 00:00:00 1970 From: Frans Pop Subject: Re: fb layer & ioremap_wc Date: Fri, 13 Jun 2008 18:42:15 +0200 Message-ID: <200806131842.16619.elendil@planet.nl> References: <200805022122.03576.elendil@planet.nl> <200805052059.01535.elendil@planet.nl> <200805051204.49135.jesse.barnes@intel.com> 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 1K7CM8-0002Yj-1k for linux-fbdev-devel@lists.sourceforge.net; Fri, 13 Jun 2008 09:42:28 -0700 Received: from hpsmtp-eml11.kpnxchange.com ([213.75.38.111]) by mail.sourceforge.net with esmtp (Exim 4.44) id 1K7CM7-0005VZ-Ih for linux-fbdev-devel@lists.sourceforge.net; Fri, 13 Jun 2008 09:42:28 -0700 In-Reply-To: <200805051204.49135.jesse.barnes@intel.com> Content-Disposition: inline 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: Jesse Barnes Cc: linux-fbdev-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Yinghai Lu , "Pallipadi, Venkatesh" , Ingo Molnar , "Packard, Keith" On Monday 05 May 2008, Jesse Barnes wrote: > On Monday, May 05, 2008 11:59 am Frans Pop wrote: > > On Monday 05 May 2008, you wrote: > > > On Monday, May 05, 2008 10:32 am Frans Pop wrote: > > > > I suspect it could be vesafb/fbcon related instead. Normally I > > > > boot my system with 'quiet vga=791', i.e. with vesafb. I then see > > > > the artifacts. > > > > > > > > When I boot with 'video=vfb:off', I do _not_ get the artifacts > > > > when X exits. > > > > > > Ahhh, I missed that part of your config. That could definitely > > > have an effect on things... You'll probably want something like > > > the attached > > > > Not sure what to make of this. > > With your patch I still get the artifacts, but they are displayed a > > lot shorter. I get only a flash instead of a-2 seconds. > > Hm, so I guess some other user is still using UC on the region. [Note > to fb list: the patch just made vesafb use ioremap_wc instead of > ioremap). AFAIK there has been no progress on this issue, which is now listed on the regression list for .26 [1]. As there has been no response from any fb devs, is someone else maybe willing to have a closer look at this? I'm still seeing the artifacts with -rc6 and the severity seems to depend on what was last displayed: sometimes the whole display is covered with colored nonsense, artistic maybe but not desired... Cheers, FJP [1] http://bugzilla.kernel.org/show_bug.cgi?id=10843 ------------------------------------------------------------------------- Check out the new SourceForge.net Marketplace. It's the best place to buy or sell services for just about anything Open Source. http://sourceforge.net/services/buy/index.php