From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761443AbZFPHLx (ORCPT ); Tue, 16 Jun 2009 03:11:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756281AbZFPHLl (ORCPT ); Tue, 16 Jun 2009 03:11:41 -0400 Received: from sirius.lasnet.de ([78.47.116.19]:51257 "EHLO sirius.lasnet.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752835AbZFPHLk (ORCPT ); Tue, 16 Jun 2009 03:11:40 -0400 Date: Tue, 16 Jun 2009 09:11:05 +0200 From: Stefan Schmidt To: Stefan Schmidt Cc: Arjan van de Ven , linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, tglx@tglx.de, alan@lxorguk.ukuu.org.uk, rjw@sisk.pl, netdev@vger.kernel.org, mingo@elte.hu, dwmw2@infradead.org, alsa-devel@alsa-project.org, dri-devel@lists.sourceforge.net, eric@anholt.net Message-ID: <20090616071105.GA19511@excalibur.local> References: <20090614173331.18f01123@infradead.org> <20090615070651.GB1221@excalibur.local> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20090615070651.GB1221@excalibur.local> X-Mailer: Mutt http://www.mutt.org/ X-KeyID: 0xDDF51665 X-Website: http://www.datenfreihafen.org/ User-Agent: Mutt/1.5.19 (2009-01-05) Subject: Re: WARN_ON's in i915_gem_tiling.c Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello. Bringing Eric into the loop here as he is listed as author of the i915_gem_tiling.c On Mon, 2009-06-15 at 09:06, Stefan Schmidt wrote: > > On Sun, 2009-06-14 at 17:33, Arjan van de Ven wrote: > > > > Rank 1: i915_gem_set_tiling (warning) > > Reported 830 times (3700 total reports) > > [gem] Failure in the tiling code > > This warning was last seen in version 2.6.30, and first seen in 2.6.29-rc2. > > More info: http://www.kerneloops.org/searchweek.php?search=i915_gem_set_tiling > > There seem to be more then one issue. I'm running into one of them here on a > Lenovo Thinkpad X200s. It's 2.6.30 and I enabled KMS the first time here. So I > can't tell if it is a regression. > > http://www.kerneloops.org/oops.php?number=207353 http://www.kerneloops.org/raw.php?rawid=453362&msgid= and http://www.kerneloops.org/oops.php?number=453361 Are looking similar to #207353 to me. That's the one I can easily reproduce by booting into an KMS enabled kernel. Without modsetting eveything is fine. Let me know if there are patches I should give a try. > The result is that the EDID data could not be read and the wrong screen size > set: > [ 45.524589] i2c-adapter i2c-3: unable to read EDID block. > [ 45.588200] i915 0000:00:02.0: DVI-D-2: no EDID data > [ 45.777251] [drm] TMDS-14: set mode 1360x768 13 > [ 45.777261] [drm] TMDS-16: set mode 1360x768 13 <= Should be 1280x900 here > > Somehow the driver tries to use DVI1 and DVI2 while the display is connected to > LVDS1. > > stefan@excalibur:~$ xrandr > Screen 0: minimum 320 x 200, current 1360 x 800, maximum 8192 x 8192 > VGA1 disconnected (normal left inverted right x axis y axis) > LVDS1 connected 1280x800+0+0 (normal left inverted right x axis y axis) 261mm x > 163mm > 1280x800 60.0*+ 50.0 > DVI1 connected 1360x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm > 1360x768 59.8* > 1152x864 60.0 > 1024x768 60.0 > 800x600 60.3 > 640x480 59.9 > DVI2 connected 1360x768+0+0 (normal left inverted right x axis y axis) 0mm x 0mm > 1360x768 59.8* > 1152x864 60.0 > 1024x768 60.0 > 800x600 60.3 > 640x480 59.9 regards Stefan Schmidt