High xorg CPU usually does not indicate an X bug (counterintuitively). See https://wiki.ubuntu.com/X/Troubleshooting/HighCPU for help in finding out what actually is causing the high CPU usage.
** Package changed: xorg (Ubuntu) => ubuntu -- X.Org takes a lot of CPU and makes the system unusable for a graphical session. https://bugs.launchpad.net/bugs/399111 You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in ubuntu. _______________________________________________ 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