So I did try a 5.3 kernel today, but the result does not look all to different from the 5.2 kernel available through apt already: (is "etnaviv-gpu 130000.gpu: command buffer outside valid memory window" the cause of the Wayland failure?)   All I did was checkout the repo, change 2 to 3 in the line KERNELBRANCH='branch:linux-5.2.y' in config/sources/cubox.conf, then run:   ./ docker I had to answer a few questions about new kernel options, pr