Yes, I have those "deferred" diagnostic too, but it appearse it not affects anything in bad way, all works normally after your fix. de0: [GIANT-LOCKED] de0: SMC 21041 [10Mb/s] pass 1.1 de0: Ethernet address: 00:00:c0:f1:ef:d3 de0: if_start running deferred for Giant -- Andrey Chernov | http://ache.pp.ru/