I have the same problem on a Toshiba Portege M400. Same version of Natty (i386), same graphics (Intel 945). My screen resolution is 1400x1050. If I toggle it down to 1024x768, it rotates okay. But if I leave it at the native resolution, I get the black bar at the top of the screen.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/793764 Title: Top area of screen black when rotating screen -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs