Comment 70 for bug 1873895

As promised, here attached my video screencast. What I did in the video : I execute the following command then immediately, I switch to marco adaptive compositor, in order to show you this issue. The commands begin with a sleep of 7s, then switch to compiz (installed on my system), then sleep 7s and finally reboot. I use this command because my system is half freeze while this issue is coming, without display, mouse and keyboard freeze too. As you can see, with the kernel 5,8 and the amdgpu driver mesa 20,3 this issue is worst ! Let me what I can do to help. I insist, I can do some tests for you, tell me what to do.
$ sleep 7s ; compiz --replace & sleep 7s ; reboot