According to this bugzilla entry: https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=154467 Description of problem: This kernel update appears to have been built with gcc-3.4.3, while the compiler currently available on FC3 is gcc-3.4.2 This causes problems with some applications that require additional kernel modules. Please either release a gcc update, or a new kernel update that was compiled with the current gcc. Version-Release number of selected component (if applicable): kernel-smp-2.6.11-1.14_FC3 -- Florin Andrei http://florin.myip.org/