It seems it is in fact the intel version, a colleague using Fedora 12 had the same problem with Intel drivers 2.9.0 and the problem disappeared after he received a 2.9.1 update.
It seems it is in fact the intel version, a colleague using Fedora 12 had the same problem with Intel drivers 2.9.0 and the problem disappeared after he received a 2.9.1 update.