It seems to have being explicitly disabled in the driver after this bug report: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1401784 It includes instructions on how to try back DRI3 and an example of test case to try with the latest code
-- 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/1441951 Title: Enable DRI3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1441951/+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
