That unveiled the issue, I had installed ricotz's ppa a while back and removed it after a few days but apparently the ppa was not completely purged. I added it again and purged it again and the package was properly downgraded and the missing key was added to the schema. Feel very noobish!
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1117637 Title: Brightness and Lock option in System Settings crashes because of glib's schema missing key To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1117637/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
