--- /usr/share/vdr/bin/vdrshutdown-really.sh 2018-02-03 21:49:38.396986229 +0100
+++ /usr/share/vdr/bin/vdrshutdown-really.sh 2018-02-03 21:56:48.519718246 +0100
@@ -45,7 +45,7 @@
 
 : ${SHUTDOWN_DEFAULT_RETRY_TIME:=10}
 
-if [ "${DEBUG}" -ge 1 ]; then
+if [ "${DEBUG:-0}" -ge 1 ]; then
 	exec </dev/null >/tmp/vdrshutdown-really.log 2>&1
 	echo Started debug output of $0 $@
 	nr=0
@@ -62,6 +62,7 @@
 
 mesg() {
 	svdrp_send MESG ${1}
+	logger -t mesg -p user.warn "$*"
 }
 
 is_auto_shutdown() {