Quoting Berndt Josef Wulf,

> G'day,

> I just upgraded my Intel-Box to netbsd-1.2.1 after I was unable to 
> nfs mount a partition from a netbsd/alpha with the result that it
> still fails mounting the nfs.

> mount -v hotdog:/usr/src /usr/src

> will result in

> mount: statfs /usr/src: Permission denied

Using reserved ports is now the default, so this might be your problem.
Either use the -P option on the 1.2.1 side (I assume that your Alpha
is -current), or export the fs with -noresvport in /etc/exports
on the Alpha.

- Frank