This looks like memory corruption in the open driver. Does installing the 14.04.2 stack (lts-utopic) help?
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-ati in Ubuntu. https://bugs.launchpad.net/bugs/1330334 Title: AMD Radeon HD 8400 [1002:9830] Garbled display with open-source driver on Trusty To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1330334/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
