Chris Gilbert <chris@dokein.co.uk> writes:
> Reading the man pages it seems it requires an NE2000 on a PCI bus, as
> it drives the NIC directly rather than through standard drivers.

It requires *some* specially programmed ethernet. New ones could be
converted over.

> I'm not saying it wouldn't be useful to have, but it probably needs a
> rethink.  I suspect most people use ddb over a serial port for
> debugging.

There is no serial port on the majority of new x86 machines. There has
been a lot of trouble in debugging ACPI support because most laptops
have (effectively) no remote debugging facility at all.

> I guess it was never ported to newer gdbs, so I'd say that no-one's
> using ipkdb on any version of NetBSD since 2.0

That's true, but it is not because the feature would not be of
substantial use.

Perry