On Wed, 14 Jan 1998, Bill Studenmund wrote:

> > After running ttyflags, stty shows that cdtrcts has been set on the line.
> > If I also add the mdmbuf flag though, stty causes the SD light on the
> > modem to stay on and the machine locks solid.  This is under 1.3 release

> I've got dtrcts on in /etc/ttys.
> 
> # stty -e -f /dev/tty01 mdmbuf

What I meant was that I had both dtrcts and mdmbuf set as flags in
/etc/ttys.

> Why are you trying to assert mdmbuf at the same time as cdtrcts? The both
> use the dtr pin, and so only one can be set at a time.

Maybe just an unnecessary habit leftover from 1.2 when I had to set both
rtscts and mdmbuf to get proper flow control inbound and outbound.

-- 
 mlh@csranet.com
(Michael Hendrick)