(I wasn't subscribed to -boot when you sent your mail, I hope evolution handles the In-Reply-To=) I was just biten by this bug too. But I could solve it. I didn't increment the version of grub-installer which I used as localudeb Weird error message if you don't do this on a package which doestn't have anything to do with partman. So just run `dch -i' before building your udeb. -- Felix Zielcke