Ubuntu 20.04 now has mesa version 21.2.6-0ubuntu0.1~20.04.2, newer than the 20.0.4-2ubuntu1 where you reported the bug. Can you update and check if the issue is still reproducible?
Ubuntu 20.04 now has mesa version 21.2.6- 0ubuntu0. 1~20.04. 2, newer than the 20.0.4-2ubuntu1 where you reported the bug.
Can you update and check if the issue is still reproducible?