So the way I fixed my installation was to downgrade libwayland0 to 1.0.3-0ubuntu2, and remove ~/.Xauthority (otherwise you can't login).
But yeah, this is introduced by using the qt5 PPA as suggested by the phone sdk tutorial, AFAICT. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to lightdm in Ubuntu. https://bugs.launchpad.net/bugs/1110645 Title: lightdm-session fails with x-session-manager: symbol lookup error: /usr/lib/x86_64-linux-gnu/libgdk-3.so.0: undefined symbol: wl_registry_interface Status in “lightdm” package in Ubuntu: Invalid Bug description: (Since this is opened by hand I am unsure how to upload relevant logs) Since some of the following updates http://pastebin.ubuntu.com/1589997/ lightdm fails to start on boot. The Ubuntu loading screens loads, then lightdm fails. It is possible to switch to a tty, and networking is up (not sure if that helps). Intel HD 4000/ core i3 Xorg.0.log: http://pastebin.ubuntu.com/1590073/ /var/log/lightdm/x-0-greeter.log reads (only one line): "/usr/sbin/unity-greeter: symbol lookup error: /usr/lib/x86_64-linux-gnu/libgdk-3.so.0: undefined sybol: wl_registry_interface" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1110645/+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
