netdev - Re: kerneloops.org report for the week of June 14 2009

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Date:	Mon, 15 Jun 2009 09:06:51 +0200
From:	Stefan Schmidt <stefan@...enfreihafen.org>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	akpm@...ux-foundation.org, tglx@...x.de, alan@...rguk.ukuu.org.uk,
	rjw@...k.pl, netdev@...r.kernel.org, mingo@...e.hu,
	dwmw2@...radead.org, alsa-devel@...a-project.org,
	dri-devel@...ts.sourceforge.net
Subject: Re: kerneloops.org report for the week of June 14 2009

Hello.

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

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@...alibur:~$ 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
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