rc: restart plymouthd if not running (workaround for daemon stopping at runlevel change with non KMS drivers)

etc/rc.d/init.d/rc

@@ -52,6 +52,12 @@ rex="[0-9][0-9]"
 
 export RUNLEVEL
 
+[ -e /run/plymouth/pid ] || {
+# workaround for plymouthd stopping at runlevel change with non-KMS drivers
+   $PLYMOUTHD --attach-to-session --pid-file /run/plymouth/pid
+   $PLYMOUTH --show-splash
+}
+
 [ "$previous" != "N" ] && progressbase=10 || progressbase=65
 
 if [ "$runlevel" = "0" -o "$runlevel" = "6" ]; then