Comment 38 for bug 977804

With my 1920x1200 resolution I hit this bug with only my primary laptop screen. It is still present in 12.10. It makes Ubuntu unusable, since unity-2d is not available anymore. I've ran into this bug consistently since a few years, never bothered to investigate, just switched to 2d. Now the best analysis I've found is by Adam Jackson:
https://bugzilla.redhat.com/show_bug.cgi?id=699705#c6