I have a similar problem on my laptop, but my "white square" is below the menu panel from the left to the right of the screen laying over part of the title bar of a maximized application.
So maybe this bug has nothing to do with the notification daemon? System: Thinkpad T43 Ubuntu 8.10 Linux 2.6.27-9-generic ** Attachment added: "screenshot.png" http://launchpadlibrarian.net/21308327/screenshot.png -- small white square left on screen when returning from hibernate https://bugs.launchpad.net/bugs/230104 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