Upstream says that we don't need to retrigger at all for persistent rules.

mudur/ChangeLog

+2009-03-20  Ozan Çağlayan <ozan@pardus.org.tr>
+	* bin/mudur.py (copyUdevRules): Upstream says that we don't have to
+	retrigger for persistent rules.
+
 2009-03-16  Ozan Çağlayan <ozan@pardus.org.tr>
 	* bin/mudur.py: Disable CPUFreq probing as they will be
 	built into kernel.

mudur/bin/mudur.py

@@ -769,11 +769,6 @@ def copyUdevRules():
             ui.warn(_("Can't move persistent udev rules from /dev/.udev"))
             pass
 
-    # If any persistent rules exist in /etc/udev/rules.d, trigger udev
-    # for processing them.
-    if glob.glob("/etc/udev/rules.d/70-persistent-*"):
-        run("/sbin/udevadm", "trigger")
-
 def setupUdev():
 
     ui.info(_("Mounting /dev"))