Your system was crippled already when it was on 16.04. You probably still have libgbm1-lts-wily or such installed which diverted the lib, because on 14.04.x the original had to be used.
xenial-updates has had libgbm1-lts-$foo transitional packages since early august, see bug #1573190 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1632593 Title: Xorg does not utilize the 3D graphics acceleration capabilities of my device To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1632593/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
