31d915a38a
As per GNOME/mutter!385 [1], the compositor is finalized an its pointer cleared on display close. However, since the shell reacts to such events instead of controlling them, when the shell is stopping or restarting and its display closing, the shell stage destroys its children after the display closing is finished and during this process the focus is unset, causing focus_actor_changed() to be called and thus calls to meta_stage_is_focused() which deferences the now NULL compositor, leading to a crash on shutdown. Since after this point we should just ignore any stage event, disconnect from them all. [1] https://gitlab.gnome.org/GNOME/mutter/merge_requests/385 https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/746
GNOME Shell
GNOME Shell provides core user interface functions for the GNOME 3 desktop, like switching to windows and launching applications. GNOME Shell takes advantage of the capabilities of modern graphics hardware and introduces innovative user interface concepts to provide a visually attractive and easy to use experience.
For more information about GNOME Shell, including instructions on how to build GNOME Shell from source and how to get involved with the project, see the project wiki.
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