Unresolved symbols in /lib/modules/2.4.18-3/misc/dgrp.o

I am getting unresolved symbols trying to install the realport driver on redhat 7.3 Does anyone know how to fix this?

Here is the kbase article describing this problem and possible solutions:
http://www.digi.com/support/kbaseresultdetl.jsp?id=317

Our knowledge base would be a good place to look. Here’s a couple links to get you started:
http://www.digi.com/support/kbaseresultdetl.jsp?id=170
http://www.digi.com/support/kbaseresultdetl.jsp?id=317

Thanks but I got it up on a redhat 9 box