It looks like the Mac OS X 10.5.3 upgrade breaks DRb when it’s trying to open a TCPSocket. Looking into it now, but be warned: /opt/local/lib/ruby/1.8/drb/drb.rb:865:in initialize': getaddrinfo: nodename nor servname provided, or not known (SocketError) from /opt/local/lib/ruby/1.8/drb/drb.rb:865:inopen’ from /opt/local/lib/ruby/1.8/drb/drb.rb:865:in `open_server’ -Kurt I’m running into the same p