I'm not sure that assertion is fatal or related to the crash. For example it repeats in:
https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/6767 ** Bug watch added: gitlab.gnome.org/GNOME/gnome-shell/-/issues #6767 https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/6767 -- 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/2045632 Title: gnome-shell libmozjs g_closure_unref: assertion closure->ref_count > 0 failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2045632/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs