Hello, it seems that udev from systemd 220 does passes empty environment to a process spawned by a RUN rule. execve("/usr/sbin/crda", ["/usr/sbin/crda"], [/* 0 vars */]) = 0 This breaks crda, as it expects to see COUNTRY in its environment. -- Michał Bartoszkiewicz <mbartoszkiewicz at gmail.com>