I've had similar problems. Regarding comment #7, 12.04 was not affected, I first saw the problem after upgraded to 13.10 (I didn't use 12.10 or 13.04 so can't say it they were affected). The problem persisted after upgrading to 14.04.
I've had the same problem affected both open source ATI and open source Nvidia drivers (on different machines). In both cases problem ceases to exist after installing proprietary drivers. As mentioned in comment #5 just installing fglrx from Ubuntu repository borks the 14.04, I've installed proprietary drivers downloaded directly from AMD.com. -- 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/1314551 Title: 1002:130f [GIgabyte G1.Sniper A88X-CF] Font corruption To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1314551/+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