--- a/script/sysconfig/ethercat	Tue Dec 10 10:38:03 2013 +0100
+++ b/script/sysconfig/ethercat	Tue Dec 10 10:42:25 2013 +0100
@@ -53,6 +53,10 @@
 # Note: The e100, e1000, e1000e and r8169 drivers are not built by default.
 # Enable them with the --enable-<driver> configure switches.
 #
+# Attention: When using the generic driver, the corresponding Ethernet device
+# has to be activated (with OS methods, for example 'ip link set ethX up'),
+# before the master is started, otherwise all frames will time out.
+#
 DEVICE_MODULES=""
 
 #