Hi, > Mar 27 08:05:44 DNTX014 abrt[10150]: Saved core dump of pid 5803 > (/usr/local/sbin/nginx) to > /var/spool/abrt/ccpp-2014-03-27-12:05:44-5803 (60538880 bytes) > > > Could someone tell me what is that ? Its a crash. Provide output of "/usr/local/sbin/nginx -V" and check: http://nginx.org/en/docs/debugging_log.html Regards, Lukas