Re: netra x1 serial console multi user login

From: ML Starkey (martha.starkey_at_sun.com)
Date: 08/05/03 

Date: Tue, 05 Aug 2003 09:40:38 -0400

Hoyte Swager wrote:
> it is even more strange
>
> if i remove all port monitoring from /etc/inittab
> (sac and ttymon for console) and then test by running
> /sbin/sulogin < /dev/console on a network login,
> on the serial terminal i get the expected, working,
> single user login behaviour.
>
> if i then do the same with the ttymon
> /usr/lib/saf/ttymon -g -d /dev/console -l console -T vt100
> i get the login prompt, but as soon as i enter the username
> and hit return is says in the serial console:
>
> Warning -- ttymon cannot allocate controlling tty on "/dev/console"
> there may be another session active on this port
>
> i am quite sure there is no other process having a lock on it
> (checked with ps/fuser/ptree and lsof |grep devices.pseudo.cn)

I find the command:

fuser -u /dev/console

helpful in these situations to try to identify the other active session.

>
> strange indeed...
> any help appreciated
> regards
> hoyte swager
>
>

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