things just sometimes stick and dont display correctly. Ubuntu 15.04 with unity.
examples of faulty screens / displays that just don't seem to refresh correctly:
first picture should have looked like this:
This is really really bad quality. I can't disable 3d acceleration, the apps would become annoyingly slow, unusable.
Is there something I can do?
Change unity with smth else?
pull the plug on virtualbox?
change from virtualbox to vmware?