Oh yes, before I forget: apparently there's now a patch. Please see: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/194214 (specifically comment #88 by Tom Jaeger on 2008-03-28). The mailing list thread starting at http://lists.freedesktop.org/archives/xorg/2008-March/034244.html Please consider applying this patch. Amit