I could not reproduce on xenial. Both mir-on-x and mesa worked for me. Note that there is a known issue with the nested server not being able to detect the platform (lp:1515558) so a '--vt' switch is needed on the server for correct behaviour.
I could not reproduce on xenial. Both mir-on-x and mesa worked for me. Note that there is a known issue with the nested server not being able to detect the platform (lp:1515558) so a '--vt' switch is needed on the server for correct behaviour.