Nginx - core dumped

nginx[10436]: segfault at 30 ip 0000000000c586be sp 00007fff1803cb90 error 4 in nginx[400000+bd1000]
nginx[10454]: segfault at 30 ip 0000000000c586be sp 00007fff42feaf50 error 4 in nginx[400000+bd1000]
nginx[10475]: segfault at 30 ip 0000000000c586be sp 00007fff16b553d0 error 4 in nginx[400000+bd1000]
nginx[13775]: segfault at 30 ip 0000000000c60a0e sp 00007fffff28d680 error 4 in nginx[400000+bdb000]

        
--prefix=/etc/nginx        
--sbin-path=/usr/sbin/nginx  
--conf-path=/etc/nginx/nginx.conf
--error-log-path=/var/log/nginx/error.log
--http-log-path=/var/log/nginx/access.log
--pid-path=/var/run/nginx.pid        
--lock-path=/var/run/nginx.lock
--http-client-body-temp-path=/var/cache/nginx/client_temp         
--http-proxy-temp-path=/var/cache/nginx/proxy_temp
--http-fastcgi-temp-path=/var/cache/nginx/fastcgi_temp
--http-uwsgi-temp-path=/var/cache/nginx/uwsgi_temp
--http-scgi-temp-path=/var/cache/nginx/scgi_temp
--user=nginx
--group=nginx
--with-http_ssl_module
--with-http_realip_module
--with-http_addition_module
--with-http_sub_module
--with-http_dav_module
--with-http_flv_module
--with-http_mp4_module 
--with-http_gunzip_module
--with-http_gzip_static_module
--with-http_random_index_module
--with-http_secure_link_module
--with-http_stub_status_module
--with-file-aio
--with-ipv6
--with-cc-opt=' -I /usr/include/apache -O2 -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic'
--add-module=../ngx_pagespeed
--add-module=../modsecurity-apache_2.7.3/nginx/modsecurity 
--with-debug