On Jul 4, 10:06am, gary@duzan.org (Gary Duzan) wrote:
-- Subject: Re: xterm tty ownership

| In Message <20070704015039.720C956542@rebar.astron.com> ,
|    christos@zoulas.com (Christos Zoulas) wrote:
| 
| =>On Jul 3,  9:23pm, gary@duzan.org (Gary Duzan) wrote:
| =>-- Subject: Re: xterm tty ownership
| =>
| =>| In Message <f6dt3m$jnj$1@sea.gmane.org> ,
| =>|    christos@astron.com (Christos Zoulas) wrote:
| =>| 
| =>| =>In article <200707031140.l63BeOUo028090@wheel.duzan.org>,
| =>| =>Gary Duzan  <gary@duzan.org> wrote:
| =>| =>>   For a couple weeks I've been getting:
| =>| =>>
| =>| =>>utmp_update: /dev/ttyp?: Is not owned by you
| =>
| =>The ? is the real tty letter I take it [0-9a-f];
| 
|    Correct.
| 
| =>| -r-xr-xr-x  1 root  wheel  351522 Jul  1 13:09 /usr/X11R6/bin/xterm*
| =>| -r-sr-xr-x  1 root  wheel  11702 Jul  1 12:01 /usr/libexec/utmp_update*
| =>| 
| =>| =>Did you compile your kernel with COMPAT_BSDPTY?
| =>| 
| =>| options		COMPAT_BSDPTY	# /dev/[pt]ty?? ptys.
| =>| 
| =>| =>ls -l /dev/ptm*
| =>| 
| =>| crw-rw-rw-  1 root  wheel  165, 1 Dec  8  2004 /dev/ptm
| =>| crw-rw-rw-  1 root  wheel  165, 0 Dec  8  2004 /dev/ptmx
| =>| 
| =>|    If it helps, I am running with one big LFS for everything, I
| =>| have some debugging turned on in the kernel, and I'm running amd64.
| =>
| =>That all looks fine, but what is the permission of the pty before xterm
| =>opens it?
| 
| ===========================================================================
| capo { ~ } % ls -l /dev/?ty?? > foo
| capo { ~ } % xterm &
| [1] 5842
| capo { ~ } % ls -l /dev/?ty?? > bar
| capo { ~ } % 
| [1]    Done                          xterm
| capo { ~ } % ls -l /dev/?ty?? > blah
| capo { ~ } % diff foo bar
| 284c284
| < crw-rw-rw-  1 root  wheel    5,      7 Jul  4 09:57 /dev/ttyp7
| ---
| > crw-rw-rw-  1 root  wheel    5,      7 Jul  4 09:58 /dev/ttyp7
| capo { ~ } % diff bar blah
| 284c284
| < crw-rw-rw-  1 root  wheel    5,      7 Jul  4 09:58 /dev/ttyp7
| ---
| > crw-rw-rw-  1 root  wheel    5,      7 Jul  4 09:59 /dev/ttyp7
| capo { ~ } % 
| ===========================================================================
| 
|    ttyp7 was the tty for the xterm.

Your xrerm is somehow not compiled to use the pty multiplexor. You can
verify this by ktracing the xterm.

christos