The version of the kernel-unsupported rpm provided with the RHEL 3 easy ISOs image is for kernel version 2.4.21-1.1931.2.399.ent, whereas the kernel that is installed by default is 2.4.21-4.EL As such, the unsupported modules complain about being compiled against the wrong kernel version and refuse to load. The version of both rpms on rhn is 2.4.21-4.0.1.EL.
it really sounds like you have a broken iso set......... where did you get it ?
Downloaded it from rhn EasyISOs yesterday: https://rhn.redhat.com/network/software/channels/downloads.pxt?cid=1181 The md5sums listed there match the ones I created my CDs from.
RHN just checked and they say the isos have version 4.EL for all kernel* which is the expected thing.....
Note that the kernel-unsupported modules will not load on an SMP kernel. any chance for a SMP version of the package?
there is kernel-smp-unsupported