I experience this bug some times too. The system isn't frozen; it's just that the unlock operation either gets "stuck" or maybe it just takes a very long time. I reported the issue to GNOME recently at https://bugzilla.gnome.org/782619
I experience this bug some times too. The system isn't frozen; it's just that the unlock operation either gets "stuck" or maybe it just takes a very long time. I reported the issue to GNOME recently at /bugzilla. gnome.org/ 782619
https:/