-SUBSYSTEM=="scsi_device", SYSFS{type}=="0|7|14", RUN+="/sbin/modprobe sd_mod"
-SUBSYSTEM=="scsi_device", SYSFS{type}=="1", RUN+="/sbin/modprobe osst", \
- SYSFS{vendor}=="Onstream", SYSFS{model}!="ADR*"
-SUBSYSTEM=="scsi_device", SYSFS{type}=="1", RUN+="/sbin/modprobe st", \
- SYSFS{vendor}=="Onstream", SYSFS{model}=="ADR*"
-SUBSYSTEM=="scsi_device", SYSFS{type}=="1", RUN+="/sbin/modprobe st", \
- SYSFS{vendor}!="Onstream"
-SUBSYSTEM=="scsi_device", SYSFS{type}=="[345]", RUN+="/sbin/modprobe sr_mod"
-SUBSYSTEM=="scsi_device", SYSFS{type}=="[235689]", RUN+="/sbin/modprobe sg"
+# rules for subsystems which lack proper hotplug support
+SUBSYSTEM=="i2o", RUN+="/sbin/modprobe i2o-block"
+#SUBSYSTEM=="mmc", RUN+="/sbin/modprobe mmc-block"