sh(1) and more(1) hangs on serial terminal at [ttydcd] state.

[Ian Lepore]

On Wed, 2018-09-05 at 00:07 +0300, Lev Serebryakov wrote:
> Hello FreeBSD,
> 
>  When I use serial console (configured as console + "getty std.115200
> xterm"), csh works perfectly Ok, but "sh" and "more" lockss forever.
> If I hit
> ^T system shows that locked process is in "[ttydcd]" state. ^C kills
> locked
> process.
> 
>  What do I have misconfigured?
> 

Change the std.115200 to 3wire.115200 so that it ignores modem-control
signals.

-- Ian