I've had the same issue since a recent GNOME upgrade, I'm tracking jessie. It just hangs and does nothing, but manually mounting it works, in my case:
sudo cryptsetup luksOpen /dev/sdb1 teracaddy-manual && sudo mount /dev/mapper/teracaddy-manual /media/avar/teracaddy -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
