[Bug 276206] Setting kern.vty="sc" will hang the loader boot process, but vt(4) says we can do that

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 08 Jan 2024 20:53:27 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=276206

            Bug ID: 276206
           Summary: Setting kern.vty="sc" will hang the loader boot
                    process, but vt(4) says we can do that
           Product: Documentation
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Manual Pages
          Assignee: bugs@FreeBSD.org
          Reporter: hym2209268914@gmail.com
                CC: doc@FreeBSD.org

From manpage vt(4), LOADER TUNABLES:

    kern.vty
               Set this value to `vt' or `sc' to choose a specific system con-
               sole,  overriding the default.  The GENERIC kernel uses vt when
               this value is not set.

on my GENERIC kernel shipped with 14.0-RELEASE, adding a line to
/boot/loader.conf 'kern.vty="sc"' will hang the loader while loading kernel and
trying to boot.

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