demise of gmane and lkml/kernel mailing lists archiving

Instead of relying on external resources to archive the mailing lists, would it be reasonable/feasible to have kernel.org archive the various kernel related mailing lists?

Yes, it's feasible. It's also feasible to migrate the various mailing lists hosted at kernel.org to a currently-supported mailing list manager. (Majordomo development stopped years ago.) Mailman is a good choice, as it's actively developed and maintained, has a feature set appropriate for this use, includes various built-in archiving facilities and can be hooked into others, is stable, is understood and used by a lot of people (including NANOG, the IETF, many Linux distributions, etc.).

My suggestion -- which I'm willing to help out with, of course -- is that lists.kernel.org be used for an instance of Mailman and that all the current mailing lists be migrated there and cut over to it. This should not only clobber the archiving issue, but it will help with some of the recurring spam problems that make it past MTA-layer defenses.

---rsk