Dash search gives no result
When I open my dash in unity (Ubuntu 11.10 upgraded from 11.04), it looks completely fine. Once I start typing though, all entries vanish and the dash is completely empty. It worked fine yesterday. Any ideas how to fix that? Can't think of anything, I changed.
Here are some screens:
Edit: Of course I tried this to no effect:
sudo apt-get purge unity && sudo apt-get install unity