hi, i have installed the 2.6.8.1 from: http://people.redhat.com/arjanv/2.5/RPMS.kernel/kernel-2.6.8-1.521.i686.rpm on my FC2 machine. If i log out and select shutdown the follwing messages are displayed: Halting system... md: stopping all md devices. Shutdown: hdb Shutdown: hda Power down. acpi_power_off called nothing more happens, with vanilla 2.6.7 Kernel the machine switch. any hints ?