After upgrading artful to bionic (debian way, replaced artful to bionic in sources.list) faced this issue. Solved by installing libegl-mesa0 package.
-- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1751414 Title: [regression] Missing Wayland login option and missing GL acceleration, after installing libegl1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libglvnd/+bug/1751414/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs