Re: NetBSD 7.0 i386 panic during boot

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Mon, Oct 12, 2015 at 11:21:41AM +0700, Robert Elz wrote:
> ps: it would be interesting to know if there was any rational way to
> develop a NetBSD to NetBSD USB protocol that could maybe be used to
> replace serial consoles ... requiring just a cable to link 2 NetBSD
> systems to each other - I know nothing about USB, but if there's enough
> access to the raw bits, it should be possible to make the running
> NetBSD identify itself as some kind of new USB device, and have the
> booting kernel look for that, and if found, use it as a console device.
> Might that be possible?

You don't need "just" a cable, but one with quite a bit logic in
between. USB is not designed for host-to-host communication, so you need
some form of mailbox in between. This is quite different from Firewire
and derived interfaces.

Joerg