This problem might be solved in the upstream 3.13-rc6 kernel by this patch:
author Alex Deucher committer Alex Deucher commit e2f6c88fb903e123edfd1106b0b8310d5117f774 tree 6d95cdc6db2ea330a95d1a734f6433c24516db2e parent b67ce39a30976171e7b96b30a94a0216ab89df97 drm/radeon: fix asic gfx values for scrapper asics Fixes gfx corruption on certain TN/RL parts. bug: https://bugs.freedesktop.org/show_bug.cgi?id=60389 Signed-off-by: Alex Deucher Cc: stable A PPA of this kernel is available at http://kernel.ubuntu.com/~kernel- ppa/mainline/ and instructions on how to install and uninstall it are available at https://wiki.ubuntu.com/Kernel/MainlineBuilds ** Bug watch added: freedesktop.org Bugzilla #60389 https://bugs.freedesktop.org/show_bug.cgi?id=60389 -- 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/1262377 Title: Screen rendering problem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1262377/+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
