Comment 16 for bug 438000

Cliff (klfjoat) wrote :

The following comment in bug 383345 seems to sum up the root cause of this issue. Though, why it worked in Jaunty and not in Karmic, I don't know. No bling for me!

> Please, before setting dual screen, disable desktop effects (compiz).
> Compiz cannot work at resolution higher than 2048x2048 (yet) on
> i915/945 hardware, limitation of HW 2048x2048 max texture size.
> Without Desktop effects your dual screen configuration should work.
> (it is then limited to 4096x4096 framebuffer size.)
> With Desktop effects and resolution 1024+1024, you probably
> will experience this BUG.

https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/383345/comments/62