Same problem here, after moving windows around, minimize, maximice, etc.. i had some dead zones around. Here's the info requested:
** Attachment added: "xwininfo1.txt" https://bugs.launchpad.net/unity/+bug/709461/+attachment/2113363/+files/xwininfo1.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/709461 Title: Application windows can sometimes fail to display and will mask regions of the screen -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
