Currently use linode server. Ubuntu 10.04, nginx 0.8.52, PHP-fpm,

I try to create subdomain for Chive. but it doesn't to work. Cant access database at all. When i try with SQL buddy it work but my boss like Chive better. Any idea what wrong? Below is my subdomain.conf

server {
listen 80;
server_name subdomain.com;
access_log /srv/www/subdomain.com/logs/access.log;
error_log /srv/www/subdomain.com/logs/error.log;

location / {
root /srv/www/subdomain.com/public_html;
index index.html index.htm index.php;
}

location ~ \.php$ {
fastcgi_pass 127.0.0.1:9000;
fastcgi_index index.php;
fastcgi_param SCRIPT_FILENAME /srv/www/subdomain.com/public_html$fastcgi_script_name;
include /etc/nginx/fastcgi_params;
}
}