> Because you haven't got the correct kernel-source installed. What is > the output of 'rpm -q --all | grep kernel'? [root at whited root]# rpm -q --all | grep kernel kernel-pcmcia-cs-3.1.31-13 kernel-2.4.21-15.EL kernel-utils-2.4-8.37.6 kernel-2.4.21-20.0.1.EL kernel-2.4.21-20.EL kernel-2.4.21-15.0.3.EL Ed