Re: Recent getty(8) changes clobbers w(1)

On Mon, Jun 23, 2003 at 18:46:00 +0400, Yar Tikhiy wrote:
> On Thu, Jun 19, 2003 at 03:20:28PM +0200, Morten Rodal wrote:
> > After the recent getty(8) changes w(1) will now show root logins on
> > the same ttys if you use su(1).  However, after logging out the root
> > user is not removed from the w(1) (or who(1) for that matter).
> > 
> > Example output from w(1) where tty p0 and p4 have been used to login
> > with root, and currently logged out while p2 is still logged in.
> > 
> > [atlantis] ~> w
> >  3:17pm  up  5:44, 8 users, load averages: 0,02 0,15 0,31
> > USER             TTY      FROM              LOGIN_at_  IDLE WHAT
> > root             p0       -                 9:40am     - vi
> > root             p2       -                 3:11pm     2 -su (csh)
> > root             p4       -                 3:14pm     - w
> > morten           p0       :0.0              3:10pm     - vi
> > morten           p1       :0.0              9:46am     2 irssi
> > morten           p2       :0.0              3:10pm     2 -su (csh)
> > morten           p3       :0.0              3:10pm     6 ssh slimy
> > morten           p4       :0.0              3:11pm     - w
> > 
> > As far as I know this started after the getty(8) changes, but it could
> > be some other changes as while.  Am I the only one seeing this?
> 
> Thanks for reporting this, but I've been unable to reproduce the
> problem.  Moreover, getty(8) is neither responsible for updating
> utmp(5) nor used on pseudo terminals, so my recent changes to
> getty(8) could hardly introduce the problem you were observing.
> A possible reason for it might be that your utmp(5) file got broken
> in some way.

It can be some "su" problem too, I saw similar reports.