I haven't found out how to set XDG_CURRENT_DESKTOP from mdm (Linux Mint's fork of older gdm), so then when attempting to login to Gnome- Shell I am greeted with a black screen. However, doing this is a workaround (but still leaves XDG_CURRENT_DESTKOP unset):
in /usr/share/upstart/sessions/gnome-session.conf change: instance $XDG_CURRENT_DESKTOP to: instance GNOME -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-session in Ubuntu. https://bugs.launchpad.net/bugs/1293629 Title: [Regression] [Trusty] Unity can't be started from kdm Status in gnome-session package in Ubuntu: Confirmed Bug description: Because of https://launchpadlibrarian.net/169426095/gnome- session_3.9.90-0ubuntu11_3.9.90-0ubuntu12.diff.gz i can't log in into an Unity session from kdm To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-session/+bug/1293629/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
