Ubuntu
xfce4-session package

  1. Bug #1802138
  2. Comment #9

Comment 9 for bug 1802138

Revision history for this message
In , Chris Bainbridge (chris-bainbridge) wrote :

Can you try "slock & sleep 1; xset dpms force off"

Also try "sh -x /usr/bin/xflock4" and see if the xset line is actually being executed. It won't be if you have xscreensaver, light-locker or gnome-screensaver installed.