jakllsch@kollasch.net wrote:
> Hi,
>
> The UFS (or FFS as it's known to NetBSD)
> support in grub2 does not seem to work for me.

There was an interesting but strangely incomplete discussion of
UFS back in April 2007.  Hitoshi Ozeki posted the attached patch,
which lets me list UFS filesystems but not read from them.

If you can use his patch to devise a real fix, I'd be very happy.