I was experiencing something very similar to this and stumbled across https://bugs.launchpad.net/ubuntu/+source/gedit/+bug/1376494 which suggested installing ibus-gtk.
1. sudo apt-get install ibus-gtk 2. reboot Now my gedit seems to work fine. HTH -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1386721 Title: Graphics Slow After Upgrade 14.04 - 14.10 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1386721/+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