--- tools/linux/90-hal.rules	2006-01-21 14:39:58.000000000 -0500
+++ tools/linux/90-hal.rules.new	2006-03-18 21:14:31.000000000 -0500
@@ -1,2 +1,6 @@
 # pass all events to the HAL daemon
 RUN+="socket:/org/freedesktop/hal/udev_event"
+
+# unmount block devices when they are removed
+SUBSYSTEM=="block",ACTION=="remove", RUN+="hal_unmount"
+