File smartmontools-powersave-notify.patch of Package smartmontools
--- smartd.conf
+++ smartd.conf
@@ -23,7 +23,11 @@
# Adding -d removable prevents error messages after disconnecting of
# monitored removable discs.
#DEVICESCAN -d removable
-DEVICESCAN -d removable
+#DEVICESCAN -d removable
+
+# Use "-m root@localhost -M exec /usr/lib/smartmontools/smart-notify" to
+# enable desktop notification over powersave-notify.
+DEVICESCAN -d removable -m root@localhost -M exec /usr/lib/smartmontools/smart-notify
# Alternative setting to ignore temperature and power-on hours reports
# in syslog.