The problem is definitely somehow related to ATI + Cairo - the same problems show up with other Cairo-based themes, such as the Clearlooks-cairo and its derivatives.
Javier - What options are you using in your xorg.conf? Did you add/remove anything when switching back and forth between plain xorg <->XGL? I had noticed the same thing on a test partition, but I haven't had a chance to test it much yet.
The problem is definitely somehow related to ATI + Cairo - the same problems show up with other Cairo-based themes, such as the Clearlooks-cairo and its derivatives.
Javier - What options are you using in your xorg.conf? Did you add/remove anything when switching back and forth between plain xorg <->XGL? I had noticed the same thing on a test partition, but I haven't had a chance to test it much yet.