Our site is currently on a linux VPS with DreamHost and using nginx 0.8.53 as the web server and php-fcgi version 5.2.15. On occasion, our php-fastcgi processes just suddenly crash, and our users are left with a "502 Bad Gateway" error from nginx. The server is configured to use unix sockets and not a TCP port. Our php-fastcgi settings are the following: PHP_FCGI_CHILDREN = 8 (shouldby shadowlink64 - Nginx Mailing List - English