[Bug 262192] Crashes at boot with kern.random.initial_seeding.bypass_before_seeding=0 in randomdev_wait_until_seeded()

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 18 Mar 2022 03:55:05 UTC

--- Comment #14 from Conrad Meyer <cem@freebsd.org> ---
Hey Olivier, this is great.  I think it's unlikely we need TCP connections
before the scheduler is up.  Splitting the initialization code is not
especially burdensome either.

> If some entropy source could be made available very early, all these considerations and problems would be avoided.

As mentioned briefly in comment #4, we could attempt to poll available random
sources on demand, before the scheduler comes up.  This only works for builtin
sources or drivers loaded by loader, though.

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