Created attachment 480336 [details] Corrupted screen Description of problem: When i select Ant-clockwise or clockwise orientation display image become corrupted(like on screenshot attached) but mouse cursor works well according to selected rotation. In case of 180 degree rotation image doesn't change, but cursor behave like on rotated screen. Gnome-shell is enabled. Version-Release number of selected component (if applicable): xorg-x11-drv-nouveau.x86_64 1:0.0.16-19.20110216git42c16ff.fc15 kernel.x86_64 2.6.38-0.rc5.git1.1.fc15 How reproducible: Every-time Steps to Reproduce: 1. Run the GNOME display configuration tool using gnome-control-center display. Try rotating the primary display - change the Rotation drop down and hit apply 2. Try and change back to the normal orientation Actual results: Expected results: Displayed image should be rotated. Additional info: GeForce 6600.
Created attachment 480614 [details] xorg.conf disabling page flipping Are you able to install this xorg.conf to /etc/X11/xorg.conf, and restart X and see if this issue is resolved? If not, can I see /var/log/Xorg.0.log for the new X session.
*** This bug has been marked as a duplicate of bug 679505 ***