*** This bug is a duplicate of bug 829086 *** https://bugs.launchpad.net/bugs/829086
This bug effected/effects me as well (i5-2520M), but this is a duplicate of https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video- intel/+bug/882349 and you can work around it with the instructions here :https://bugs.freedesktop.org/show_bug.cgi?id=39730 Robvdl says a proper fix is headed upstream though. I was able to do the "one shot fix" by compiling the latest intel-gpu- tools from git, then running as root: sudo ./intel_reg_write 0x9404 0x00001000 ** Bug watch added: freedesktop.org Bugzilla #39730 https://bugs.freedesktop.org/show_bug.cgi?id=39730 ** This bug has been marked a duplicate of bug 829086 Artifacts in 3D with Sandy Bridge -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/882349 Title: sandybridge video, minecraft unplayable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/882349/+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