I've the limited edition white stomp on firmware 3.11 and am seeing the same issue pop up: approximately an hour of play time & then both inputs cut out completely. It's hooked up to a cioks PS with their recommended connections and aperage, & I've never had one of the cioks PS malfunction on me. The stomp has consistently cut out on me at home, rehearsals, & one gig.
It's getting pitched until there's a fix.