crimsun at garnish:~$ grep -i cpuset /boot/config-2.6.15-25-686 # CONFIG_CPUSETS is not set Doesn't seem to harm normal configs to have it enabled. ** Changed in: linux-source-2.6.15 (Ubuntu) Importance: Untriaged => Wishlist Status: Unconfirmed => Confirmed -- please enable CPUSET in the kernel https://launchpad.net/bugs/50782