From owner-freebsd-questions  Sun Jul  6 18:48:16 1997
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From: "Riley J. McIntire" <chaos@tgci.com>
To: John-David Childs <jdc@denver.net>
Date: Sun, 6 Jul 1997 18:48:09 +0000
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> On Sun, 6 Jul 1997, Mail Lists wrote:
> 
> > 
> >   Hi...I'm trying to figure out how to get watch to work....I've read the 
> > man page, but I get hung up after I run watch ttyx.  I get "Fatal: Cannot 
> > open snoop device."  Can anyone help...thanks...Adam
> > 
> 
> You have to enable the snoop device in your kernel (see the LINT file).
> Recompile, install the new kernel and reboot.
> --
> 
> John-David Childs (JC612)       @denver.net/Internet-Coach

I just compiled a new kernel with the pseudo-device snp and get the 
same message:

su-2.00# watch /dev/ttyp0
Fatal: Cannot open snoop device.

Riley