recv() failed

[like2dev]

2011/08/19 10:21:56 [error] 4400#0: *887 recv() failed (104: Connection
reset by peer) while reading response header from upstream, client:
127.0.0.1, server: news.dev, request: "GET
/gazeta/39044-pri-novom-akime-goroda-nachnut-stroit-mosty.html
HTTP/1.1", upstream: "fastcgi://unix:/var/run/diapazon.dev.sock:", host:
"news.dev", referrer: "http://diapazon.dev/gazeta"

Ребята, подскажите из-за чего выбивает
такая ошибка.

Posted at Nginx Forum: http://forum.nginx.org/read.php?21,214023,214023#msg-214023