On Sun, 12 Dec 1999, Chris Tucker wrote:

> When I run DT, the text-based desktop manager, it reports:
> TIOCSCTTY: Operation not permitted
>  
> immediately after starting DT. It then launches three terminals, which is
> correct. The first terminal, however, asks for a login and is frozen. I
> can't type anything into it. The other two terminal screens work fine.
>  
> Now since you're supposed to exit all three terminals to exit DT, there is
> a problem since I can't do anything on the first terminal. So what I do is
> kill the dt process. 

Which version of dt is this? You might try a different one to see if
there's any difference--<ftp://ftp.macbsd.com/pub/NetBSD/utils/dt> has
a few. Most of these are source archives with a binary also.