Considering blender does quite a lot of drawing to front buffer, maybe this has got something to do with https://bugs.launchpad.net/ubuntu/+bug/662574
-- Blender 2.49b and 2.50 alpha2 UI rendering artifacts unless textured tiling disabled with driconf https://bugs.launchpad.net/bugs/567828 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
