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
