Bug#420720: xserver-xorg-video-mga: X does not start

[Michel Dänzer <daenzer@debian.org>]

On Tue, 2007-04-24 at 12:16 +0200, Wilfred de Bondt wrote:
> Package: xserver-xorg-video-mga
> Version: 1:1.4.6.1.dfsg.1-2
> Severity: grave
> Justification: renders package unusable
> 
> With the last version of xserver X does not start anymore. Either with 
> my own xorg.conf file which worked or after I used dpkg-reconfigure to 
> write a new one. 
> The last error message is:
> (EE) MGA(0): FBIOPUT_VSCREENINFO succeeded but modified mode

[...]

> (WW) MGA(0): Mode pool is empty
> (--) MGA(0): Virtual size is 640x480 (pitch 640)
> (**) MGA(0):  Built-in mode "current": 25.2 MHz, 31.5 kHz, 59.9 Hz
> (II) MGA(0): Modeline "current"   25.18  640 664 760 800  480 491 493 525 -hsync -vsync -csync

[...]

> (EE) MGA(0): FBIOPUT_VSCREENINFO succeeded but modified mode

This looks like  a matroxfb issue: the mga driver gets the current mode
from matroxfb, but then matroxfb doesn't accept that as is.

Do you really need Option "UseFBDev"?


-- 
Earthling Michel Dänzer           |          http://tungstengraphics.com
Libre software enthusiast         |          Debian, X and DRI developer