Can someone try adding *nohz=off* to their grub line? Example: title Ubuntu 8.04, kernel 2.6.24-16-generic root (hd0,1) kernel /boot/vmlinuz-2.6.24-16-generic root=UUID=d01c8f74-2cb0-4f2e-940e-8428084b03f3 ro quiet splash *nohz=off* initrd /boot/initrd.img-2.6.24-16-generic quiet -Cory \m/