Bug#546836: [xserver-xorg-video-mga] black screen when X starts

[Brice Goglin <Brice.Goglin@ens-lyon.org>]

Brent S. Elmer Ph.D. wrote:
> Package: xserver-xorg-video-mga
> Version: 1:1.4.11.dfsg-1
> Severity: grave
>
> --- Please enter the report below this line. ---
> I upgraded xserver-xorg... that hit squeeze recently.  I also updated xserver-xorg-video-mga.
> When I restarted X, I don't get a gdm login screen it is just  black.  I can still hear the ready to
> login sound that plays.  I can blindly type the login information and hear the gnome login sound.  The 
> screen remains black.  It is like the monitor has been put to sleep.  I can do alt-F1 to go to a tty session.
> When it opens the session, the monitor slowly wakes up and I can see the session.  There are no errors in the 
> Xorg.0.log.  I have a Matrox G550 card.  I even tried removing xorg.conf and letting X set everything.  It didn't make 
> any difference.  I tried /etc/init.d/gdm resgtart and X restarts and I can hear the ready to login sound but the screen is 
> still black.  I am submitting this bug report from a different computer because the other one is not very useful at 
> the moment.  What can I do to fix it?
>   

Please send your config and log.

Brice