At this point, if you are still using Ubuntu 12.04, either add the Oibaf PPA or upgrade to the Raring Enablement Stack.
Raring LTS Enablement Stack: sudo apt-get install --install-recommends linux-generic-lts-raring xserver-xorg-lts-raring libgl1-mesa-glx-lts-raring Oibaf PPA: sudo add-apt-repository -y ppa:oibaf/graphics-drivers; sudo apt-get update; sudo apt-get upgrade -y; sudo apt-get dist-upgrade -y -- 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/1161102 Title: GPU lockup on radeon while browsing through pictures in eye of gnome To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-ati/+bug/1161102/+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