I got the same error after an update and fixed it by re-installing libebackend with `sudo apt-get install --reinstall libebackend-1.2-5`. For some reason it had been deleted (probably from autoremove or an update). Hopefully this helps.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1044408 Title: gnome-shell-calendar-server crashed with signal 5 in source_registry_object_manager_thread() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1044408/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs