Fernando de Oliveira wrote:
I cannot do anything until I understand what is going on.
OK, let me try to explain.
If Linux-PAM is installed and then shadow is reinstalled, then a login
exercises the modules installed in /etc/pam.d/system-session
If Consolekit2 is then installed, then
session optional pam_loginuid.so
session optional pam_ck_connector.so nox11
is added to /etc/pam.d/system-session.
The pam_ck_connector.so module calls the script
/usr/lib/ConsoleKit/run-session.d/pam-foreground-compat.ck
What this all means is that when you log in, you get a session that
looks like:
Session4:
unix-user = '1000'
realname = 'Bruce Dubbs'
seat = 'Seat1'
session-type = ''
active = TRUE
x11-display = ''
x11-display-device = ''
display-device = '/dev/tty1'
remote-host-name = ''
is-local = TRUE
on-since = '2015-09-18T23:04:21.686950Z'
login-session-id = '9'
When you startx, xinit now starts on your current tty. That is in the
script as:
# When starting the defaultserver start X on the current tty to avoid
# the startx session being seen as inactive:
# "https://bugzilla.redhat.com/show_bug.cgi?id=806491";
tty=$(tty)
if expr match "$tty" '^/dev/tty[0-9]\+$' > /dev/null; then
tty_num=$(echo "$tty" | grep -oE '[0-9]+$')
vtarg="vt$tty_num"
fi
which shows up later when X is started:
serverargs="$serverargs $vtarg"
...
xinit "$client" $clientargs -- "$server" $display $serverargs
All this resolves on my system to:
xinit /home/bdubbs/.xinitrc -- /opt/xorg/bin/X :0 vt1 \
-auth /home/bdubbs/.serverauth.2322
If ck-launch-session is NOT used in .xinitrc, the process inherits the
session and everything is OK. If the virtual terminal is changed to
something else, say vt7, then ck-launch-session is needed for /dev/tty7.
sddm runs without setting up a session. I don't know if that is the
proper way or if I have configured something wrong. However, in my
case, sddm needs to have ck-launch-session somewhere in the launch sequence.
Does that help?
-- Bruce
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