On Sat, 31 Jul 1999, Paul Goyette wrote:

> Hi!
> 
> I've got a rather nasty, totally reproducible problem with some stacked
> file systems.  (This is on port-mac68k, in case it matters.)
> 
> 	/usr/src		 is mounted via nfs
> 	/usr/src/sys/arch/mac68k is nullfs mounted as /home/paul/original

That's the problem. You have a null mount over an nfs mount, which are
savegly broken at the moment. I have a fix, but my test kernel died and
the machine (which is on a serial console) won't reboot. :-(

There's already an open PR on it.

Sorry!

Take care,

Bill