Description of problem: Error when yum upgrading: Downloading Packages: warning: rpmts_HdrFromFdno: Header V3 DSA signature: NOKEY, key ID 30c9ecf8 Public key for elfutils-libelf-0.129-1.fc7.i386.rpm is not installed
bug 262461 seems to be dealing with this issue. *** This bug has been marked as a duplicate of 262461 ***