** Attachment added: "Screenshot of the problem"
http://launchpadlibrarian.net/48061565/Screenshot.png
** Attachment added: "Dependencies.txt"
http://launchpadlibrarian.net/48060100/Dependencies.txt
** Attachment added: "ProcMaps.txt"
http://launchpadlibrarian.net/48060101/ProcMaps.txt
Public bug reported:
Binary package hint: gdm
The screen gets all messed up under certain circumstances.
It seems to happen when a screen update gets interrupted by another
screen update, e.g. if the cursor is moved across thumbnail pictures that are
dynamically shown in full size.
www.dealextre