This message could help: Window manager warning: Buggy client sent a _NET_ACTIVE_WINDOW message with a timestamp of 0 for 0x3c0021f (Debug - Ma) Window manager warning: meta_window_activate called by a pager with a 0 timestamp; the pager needs to be fixed.
When i run "metacity --replace --display=:0" and the screen freeze again this message is shown. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/775060 Title: Random GUI "freezes" in Natty (can only move the cursor) (might be a segfault) To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/775060/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs