FC x86_64 FC6 Doing yum update can't get kernel-x86_64 = 2.6.20-1.2948.fc6 , kmod-nvidia.x86_64 0:1.0.9755-2.2.6.20_1.2948.fc6 is available for update but can't get kernel update. The core repo is present in /etc/yum.repos.d. There is no entering in yum.conf for excluding=kernel