I've experienced this issue as well. The temporary workaround to resolve it is to drop to tty1, log in and do:
killall -9 gnome-shell
This (should have!) the effect of re-loading the GNOME Shell, and everything should start working again.
I've experienced this issue as well. The temporary workaround to resolve it is to drop to tty1, log in and do:
killall -9 gnome-shell
This (should have!) the effect of re-loading the GNOME Shell, and everything should start working again.