Comment 15 for bug 177609

major bug

look :
https://launchpad.net/ubuntu/+source/xorg

xorg (1:7.4~5ubuntu6) jaunty; urgency=low

  * xserver-xorg: Bump the depends on xserver-xorg-core, and require
    xserver-xorg-video-5, xserver-xorg-input-4.

 -- Timo Aaltonen < <email address hidden>> Mon, 15 Dec 2008 12:57:18 +0200

xserver-xorg-core - conflict with xserver-xorg-video-4, and want xserver-xorg-video-5

nvidia-glx-* provide only xserver-xorg-video-4