I ran into the same problem here, permission denied on /usr/lib/cups/backend/hp.
As I found this bug I chmod'ed the directory as I was in a hurry. I am currently upgrading to current sid, so let's see if the problem resurfaces. Greetings, Torsten -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org