You can add me to the list too. I'm having the same issues. I tried adding:
Option "AccelMethod" "XAA" but it didn't stop the freezes and in fact also added the black screen issue. -- Kubuntu freezes when desktop effects are enabled https://bugs.launchpad.net/bugs/351990 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs