The issue here would appear to be that moving windows is slow due to the desktop effects being applied... Presuming fixed by the many improvements since.
** Changed in: xserver-xorg-video-intel (Ubuntu) Status: Confirmed => Fix Released -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/551226 Title: [Lucid] moving laptop/laptop screen causes high xorg cpu usage and windows to become grey To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/551226/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp