The Scientific Linux repositories do not appear to contain .treeinfo files. 
Could these be added?

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  [log in to unmask]
Boulder, CO 80301              http://www.cora.nwra.com