https://bugzilla.redhat.com/show_bug.cgi?id=1472607
--- Comment #7 from fujiwara tfujiwar@redhat.com --- If ibus-engine-simple is not running, ibus-ui-gtk3 shows a keyboard icon instead of a string icon or no icon. You described no icon but ibus-ui-gtk3 was living from your process list. I wonder if your ibus-daemon restarted when you saw your problem.