Magnes, Does unity work for you now in Ubuntu 11.10? you stated the problem appeared after an update, could you try to boot from live cd of Ubuntu and check if Unity is working there, or maybe test in a guest session of your current install.
Magnes, Does unity work for you now in Ubuntu 11.10? you stated the problem appeared after an update, could you try to boot from live cd of Ubuntu and check if Unity is working there, or maybe test in a guest session of your current install.