I believe http://bugs.kde.org/show_bug.cgi?id=170462 to be the correct upstream bug, go and vote for it if you can !
-- [KDE4] momentary video garbage upon drawing new objects https://bugs.launchpad.net/bugs/254468 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
