14-CURRENT doesn't like it when kern.vt.splash_cpu is set to 1.

From: Oleg Lelchuk <oleglelchuk_at_gmail.com>
Date: Mon, 03 Jan 2022 17:42:48 UTC
A 14-CURRENT system completely hangs in both the single and multi-user
modes when kern.vt.splash_cpu=1. Did you guys notice it? 13-STABLE doesn't
have this problem.