I had the same problem, but I am using the default 'nouveau' driver shipped with Ubuntu 14.04.
My /var/log/gpu-manager.log is attached. Thanks. ** Attachment added: "gpu-manager.log" https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/1307236/+attachment/4088030/+files/gpu-manager.log -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to nvidia-settings in Ubuntu. https://bugs.launchpad.net/bugs/1307236 Title: NVidia Issues - blurry text after upgrading from 13.10 to 14.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-settings/+bug/1307236/+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