I can confirm this.
With a fresh copy of intrepid installed it works, but when you upgrade to the latest packages (kde 4.2 and so) kaffeine gets broken :-( so it must be something included in the upgrades between the "base" intrepid install and the latest upgrades.
I've also upgraded to jaunty to see if was resolved, but the bug remains ...
I can confirm this.
With a fresh copy of intrepid installed it works, but when you upgrade to the latest packages (kde 4.2 and so) kaffeine gets broken :-( so it must be something included in the upgrades between the "base" intrepid install and the latest upgrades.
I've also upgraded to jaunty to see if was resolved, but the bug remains ...