is@netbsd.org said:
> Hm, our UDF stuff is in -current, right? 

Yes, there is some code. Looks a bit messy still, but I was
just able to load it as LKM and mount an empty filesystem
created by pkgsrc/misc/udfclient. So it might well be usable.

> > send me an image

This isn't necessary anymore now that the problem is
understood.

best regards
Matthias