nginx doesn't accept new connection

[mrkissinger]

Dell-DB:~# nginx -V
nginx: nginx version: nginx/1.1.4
nginx: TLS SNI support enabled
nginx: configure arguments: --prefix=/etc/nginx
--conf-path=/etc/nginx/nginx.conf
--error-log-path=/var/log/nginx/error.log
--http-client-body-temp-path=/var/lib/nginx/body
--http-fastcgi-temp-path=/var/lib/nginx/fastcgi
--http-log-path=/var/log/nginx/access.log
--http-proxy-temp-path=/var/lib/nginx/proxy
--lock-path=/var/lock/nginx.lock --pid-path=/var/run/nginx.pid
--with-http_gzip_static_module --with-http_ssl_module --with-ipv6
--without-http_browser_module --without-http_geo_module
--without-http_limit_req_module --without-http_limit_zone_module
--without-http_map_module --without-http_memcached_module
--without-http_referer_module --without-http_scgi_module
--without-http_split_clients_module --with-http_stub_status_module
--without-http_ssi_module --without-http_userid_module
--without-http_uwsgi_module
--add-module=/tmp/buildd/nginx-1.1.4/debian/modules/nginx-echo
Dell-DB:~# 

nginx error log is empty.

Posted at Nginx Forum: http://forum.nginx.org/read.php?2,216681,216683#msg-216683