While searching the net again about this problem I came across this post: http://ohioloco.ubuntuforums.org/showthread.php?p=8337536
Apparently the problem is a incompatibility with compiz. After I tried "metacity --replace&" at the command line, blender is working fine, no screen corruption. Rendering is working too. -- [R400 X700] Blender incorrect repainting and screen corruption https://bugs.launchpad.net/bugs/426319 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
