![Kristian Høgsberg](/assets/img/avatar_default.png)
When the last window of the X11 compositor is closed during a fade or while locked, we'll try to start a fade back to the lock screen. However, if we closed the last window, there are no outputs left and the animation will try to run with surface->output == NULL. https://bugs.freedesktop.org/show_bug.cgi?id=73665