I'm running Ubuntu GNOME Remix 12.10 with one modification: I've installed kernel 3.8.0-030800rc7-generic from the MainlineKernels repository (by manually downloading and installing the debs). Why? ...
after regular updates/upgrades my gnome-shell stopped working and got into fallback mode. I have tested installing nvidia drivers (i have an nvidia gfx), removing them, blacklisting nouveau and other ...