> Technically speaking, we could "fix it" if a) we corrected the diagnostic
> message or 2) we disallowed partitioning on anything but cylinder boundaries
> on the SPARC port.

We do 2)..  the kernel returns EINVAL, and disklabel(8) implements a) by
saying that something was invalid :-)

A possible way to get more extensive diagnostics, tailored to a port's
idiosyncracies, is to add some sort of `md_check_label()' to
disklabel(8).

-pk