It seems the guilty process is "gnome-settings-daemon" see this: http://askubuntu.com/questions/450767/multi-display-issue-with-ubuntu-gnome-14-04 It's been working for me so far.
-- 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/1311399 Title: Ubuntu 14.04 forgets Display Settings from monitors.xml / xorg.conf (Dual-Screen Setup) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1311399/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : [email protected] Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp

