According to Bug #198399 this issue appears when using desktop effects (at least on nvidia 8400gs with latest nvidia-glx-new)
-- [KDE4] Upgrade to 4.0.2. -> Panel is not displayed properly https://bugs.launchpad.net/bugs/198362 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
