diff -Nur initscripts-9.03.46/rc.d/rc.sysinit initscripts-9.03.46_bz8375/rc.d/rc.sysinit
--- initscripts-9.03.46/rc.d/rc.sysinit	2015-07-09 21:48:23.684402214 +0200
+++ initscripts-9.03.46_bz8375/rc.d/rc.sysinit	2015-07-09 21:51:22.408398119 +0200
@@ -681,7 +681,7 @@
 fi
 
 # Let rhgb know that we're leaving rc.sysinit
-if [ -x /bin/plymouth ]; then
+if [ -x /bin/plymouth ] && ! strstr "$cmdline" rd_NO_PLYMOUTH; then
     /bin/plymouth --sysinit
 fi