Same here on Mac VM (MB pro 2.53 GHz 2010)
3D enabled, 256 MB VRAM.
Ubuntu 14.04 LTS
It was working ok, but I started to play with ccsm. Then I incidentally disabled Unity. Then I enabled it and resetted it's settings to default using different methods. Now it does not work anymore.
Same here on Mac VM (MB pro 2.53 GHz 2010)
3D enabled, 256 MB VRAM.
Ubuntu 14.04 LTS
It was working ok, but I started to play with ccsm. Then I incidentally disabled Unity. Then I enabled it and resetted it's settings to default using different methods. Now it does not work anymore.