Quoting Simon J. Gerraty,

> I've just installed Perry's 1.2G/i386 snapshot on a new machine.

> NFS works fine mounting from my 1.2D box to the 1.2G, but trying to go
> the otherway... mount works, but any attempt to access the mounted fs
> gets:

> sjg:227$ ls /u0
> ls: /u0: Permission denied
> sjg:229$ mount
> /dev/sd0a on / type ffs (local)
> ...
> p166:/u0 on /u0 type nfs

Between 1.2D and 1.2G the NFS code was changed to only accept requests
from reserved ports by default. You can either export the filesystem
on the 1.2G machine with '-noresvport', or (better) use the -P
option to mount(_nfs) on the client side.

- Frank