It appears the problem stopped happening in newer GNOME versions so "Fix Released".
** Changed in: gnome-shell (Ubuntu) Status: Expired => Fix Released -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1837160 Title: Syslog filled with millions of entries per hour with stack trace ending in clutter_actor_get_child_at_index and clutter_actor_get_n_children, called from animation.js:53/57/59 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1837160/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs