Correct, kernel-devel should only contain headers/kbuild for its matching kernel. Multiple kernel-devel packages should be able to be installed at the same time. Jack Neely -- Jack Neely <slack@xxxxxxxxxxxxxxx> Realm Linux Administration and Development PAMS Computer Operations at NC State University GPG Fingerprint: 1917 5AC1 E828 9337 7AA4 EA6B 213B 765F 3B6A 5B89