php5-fpm SIGBUS

child 19142 exited on signal 7 (SIGBUS) after 304.356752 seconds from start

做了两个设置：
php5-fpm : emergency_restart_threshold 设置一个合适的值
php.ini : cgi.fix_pathinfo = 0

参考文章：http://blog.51osos.com/opensource/nginx-emergency-restart-threshold-sigsegv/