[NTG-context] texfont and type-tmf.dat

Hi: When I run texfont as follows: texfont --en=texnansi --fontroot=/usr/share/texmf/fonts /usr/share/context/data/type-tmf.dat texfont reports "unknown subpath ../fonts/afm/urw/[font name]" for each font listed in type-tmf.dat. Where should the fonts be found? Thanks, Matt