I encountered the same problem after upgrading to KDE-4.11, which needed udisks2: no automount after inserting CD/DVD media -- a serious drawback.
After hours of searching the Internet, I could fix the issue only with udevil, which worked like a charm but, sadly, hasn't come to Debian's repositories yet. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org