[Bug 180493] FreeBSD Handbook: Setting up the serial console: single user mode

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 30 Dec 2022 14:09:07 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=180493

--- Comment #3 from ahamiltonwright@mta.ca ---
In the nine years since I reported this bug and suggested the included text,
the entire section on consoles has been rewritten.

I would still suggest that some comment as to how single-user mode is affected
by setting up multiple consoles be included in the handbook, as this is still
not very clear in the console configuration section: 
https://github.com/freebsd/freebsd-doc/blob/main/documentation/content/en/books/handbook/serialcomms/_index.adoc#serialconsole-setup

My guess is that single-user mode ends up on the console indicated with -h in
/boot.config (if present), however with the addition of dual console mode I
have no idea whether this results in two separate consoles from which one can
log in to single-user mode.

I no longer have the device I was using as an external serial console however,
so can no longer test whatever advice is being given.

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