OK, after installing a fresh copy of Ubuntu 18.04 and executing exactly the steps mentioned here I managed to get to a state where you are. Non-GL apps work with optirun, GL apps throw BadMatch (invalid parameter attributes) error. So I'll wait until the bug you opened is solved. Then we will see.
OK, after installing a fresh copy of Ubuntu 18.04 and executing exactly the steps mentioned here I managed to get to a state where you are. Non-GL apps work with optirun, GL apps throw BadMatch (invalid parameter attributes) error. So I'll wait until the bug you opened is solved. Then we will see.