Вот что в логе.
2015/05/15 20:19:24 [error] 693#0: *410 upstream timed out (60: Operation timed out) while reading response header from upstream, client: 192.168.1.5, server: localhost, request: "GET /administrator/index.php HTTP/1.1", upstream: "fastcgi://127.0.0.1:9000", host: "192.168.1.7", referrer: "
192.168.1.7/administrator"