+# packet devices
+KERNEL="pktcdvd", NAME="pktcdvd/control", GROUP="cdrw", MODE="0660"
+KERNEL="pktcdvd[0-9]*", NAME="pktcdvd/pktcdvd%n", GROUP="cdrw", MODE="0660"
+
+# infiniband devices
+KERNEL="umad*", NAME="infiniband/%k"
+KERNEL="issm*", NAME="infiniband/%k"
+
+# tpm devices
+KERNEL="tpm*", NAME="%k", OWNER="tss", GROUP="tss", MODE="0600"
+
+# be backward compatible for a while with the /etc/dev.d and /etc/hotplug.d/ systems
+# run hotplug.d stuff only if we came from a hotplug event, not for udevstart
+ENV{UDEVD_EVENT}=="1", RUN+="/sbin/udev_run_hotplugd"
+
+# always run etc.d stuff for now.
+RUN += "/sbin/udev_run_devd"