I can confirm this. If I go to System -> Preferences -> Assistive technologies and uncheck the "Enabe assistive technologies" button, My Emacs (snapshot-gtk) starts to behave fine.
The window switch is still perceptibly slower than for other apps though. I came across this issue on Ubuntu 8.10 (Intrepid Ibex) and reported it here https://bugs.launchpad.net/ubuntu/+source/emacs22/+bug/299019 -- desktop freeze when moving emacs in workspace switcher https://bugs.launchpad.net/bugs/231034 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to metacity in ubuntu. -- desktop-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
