For the symptom I mentioned in comment #104, it is found a Nvidia issue. Please check https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics- drivers-331/+bug/1210077
Close oem-priority task ** No longer affects: oem-priority -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-graphics-drivers in Ubuntu. https://bugs.launchpad.net/bugs/676166 Title: Unity Launcher corruption when resuming from suspend/hibernate To manage notifications about this bug go to: https://bugs.launchpad.net/compiz/+bug/676166/+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