Ways to report trace when boot panics [Was NetBSD 7.0 i386 panic during boot]

[Mayuresh <mayuresh%acm.org@localhost>]

On Mon, Oct 12, 2015 at 11:21:41AM +0700, Robert Elz wrote:
> Without that, all that you can get is what you can see on the screen.

I think this topic is worth discussing. I have seen several mail threads
where people paste threads, obviously gathered systematically. But I do
not know how they do that.

I see photograph of screen to be an quick and easy way (from skill and
effort point of view). But doesn't look like too many people use it.

> 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?

Even nicer if such device could be a smartphone, which can make it
convenient to collect data, just from ease point of view.

Mayuresh