Originally Posted by gragra
I guess it's a bug, but wondering how or what went wrong since it seemed to run fine just after the install.
I'd suggest the machine isn't powerful enough to run Unity properly. Ubuntu as Canonical's flagship, is really aiming for the higher end market and leaving owners of low powered machines to try to figure out things for themselves.
If you want to stick with Ubuntu, or its variants, my recommendation would be to run Ubuntu Classic which is the old Gnome 2.32 or try a lighter flavour like Lubuntu which by all accounts is not a bad OS.
Personally I'd ditch Ubuntu, and the reason is it wont work on my laptop anymore without major fiddling, and put Debian on it.
EDIT: did you install Unity or Unity2D? Unity2 is for lower spec machines and it might be a better option if you are set on Ubuntu.