Blame SOURCES/httpd-2.4.6-mpm-segfault.patch

cce4bc
--- a/server/mpm/event/event.c  
cce4bc
+++ a/server/mpm/event/event.c  
cce4bc
@@ -2735,6 +2735,7 @@ static int event_run(apr_pool_t * _pconf, apr_pool_t * plog, server_rec * s)
cce4bc
 
cce4bc
     /* we've been told to restart */
cce4bc
     apr_signal(SIGHUP, SIG_IGN);
cce4bc
+    apr_signal(AP_SIG_GRACEFUL, SIG_IGN);
cce4bc
 
cce4bc
     if (one_process) {
cce4bc
         /* not worth thinking about */