Comment 4 for bug 691493

Natty alpha 2 - yesterday's daily build. Affects two pc's that I have. Boots into gnome desktop working perfectly. Output from terminal when trying to run Unity is:
barry@smart:~$ unity
No value set for `/apps/compiz-1/general/allscreens/options/active_plugins'
Backend : gconf
Integration : true
Profile : unity
Adding plugins
Initializing core options...done
Initializing bailer options...done
Initializing detection options...done
Initializing composite options...done
compiz (opengl) - Fatal: GLX_EXT_texture_from_pixmap is missing
compiz (opengl) - Fatal: Software rendering detected
compiz (bailer) - Info: Ensuring a shell for your session
barry@smart:~$ Cannot register the panel shell: there is already one running.
barry@smart:~$

Attached is apport output.