Well, this sounds like a different problem. The problem I reported was very clearly the result of an incomplete package upgrade/removal resulting in a failed test for unity compatibility leading to setting that environment variable for software gl.
You might consider opening an new bug report with a complete system info. E.g. you didn't report your video chipset, but I have heard that there are nuances with nvidia. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768610 Title: No acceleration after upgrading to 18.04: gnome-session-check- accelerated incorrectly picks llvmpipe To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1768610/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs