[Bug 264226] setting kern.vty=sc causes hang during boot

From: <bugzilla-noreply_at_freebsd.org>
Date: Thu, 16 Jun 2022 14:04:59 UTC

--- Comment #15 from Ed Maste <emaste@freebsd.org> ---
(In reply to Kubilay Kocak from comment #12)
> How feasible is tracking what happened, and emitting the message later?
> Do we have any mechanisms base/kernel/boot/loader/etc for annotating
> events/actions for later parsing > messaging?

I'm not aware of any off hand.

It's possible that we could use something along the lines of PRINTF_BUFR_SIZE
(which prints to a temporary buffer before emitting to the console, to avoid
interspersed output). IMO the most likely way to achieve this will be to
include this as a requirement in planning more extensive console rework (imp@
has discussed some plans for true multicons in the past, but nothing concrete
is planned as far as I know).

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