If may help, after setting Visual Effects to None in Appearance Preferences, the system generated the report recorded in https://bugs.launchpad.net/ubuntu/+source/linux/+bug/480345
Now I am working without problem but always with Visual Effects set to None as reported from figbays on post #32 Mang -- Gnome Freezes -- Ubuntu 9.10 -- big time freezes. https://bugs.launchpad.net/bugs/461163 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