In addition to the description above:
I found out, that the autologin configuration in lightdm.conf or /etc/gdm/custom.conf causes Xorg to terminate before the login window appears. R.Ladinig -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1180329 Title: Xserver terminates To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1180329/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp