grrrrrr ... fedora 20 has a broken "kpartx" command

just in case anyone else runs into this, i was putting together some
notes for the aforementioned beagleboard xM-based embedded linux
course and went to test "kpartx" for mounting the partitions inside a
bootable image file and ran smack into this:

  https://bugzilla.redhat.com/show_bug.cgi?id=1039136

rday