> From: Jason Thorpe <thorpej@nas.nasa.gov>
> Date: Fri, 06 Oct 1995 12:18:51 -0700
> 
> On Fri, 6 Oct 95 14:08:16 EDT 
>  "Gordon W. Ross" <gwr@mc.com> wrote:
> 
>  > > While I'm on the subject - when I halt my machine, I complains it can't
>  > > unmount / - error 16.  It unmounts swap and /usr fine...
>  > 
>  > Hmmm... Haven't seen that.  Is everything up-to-date?
> 
> Actually, I see that during the unmount-at-reboot of /, but _only_ when 
> the machine is using an NFS root...both on Sun 3s and hp300s...I've not 
> looked into it yet due to time constraints.

I don't see that even with root on NFS.  I wonder why...
The error is EBUSY, by the way.  Maybe a quick stop in ddb
would help (breakpoint in reboot2, then "ps")

Gordon