currently only supports testing hot-add after booting with less memory and only on ia64. Progress/planning available here: http://developer.osdl.org/jnorman/HOTPLUG/planning/hotplug_memory_test_plan.html download .tar from: http://developer.osdl.org/jnorman/HOTPLUG/lhms_regression-0.2.tar un-tar then: export TOTAL_MEMORY=<total memory available on system> && ./runtest.sh Jake