A sort of plan for consoles in FreeBSD

[Julian Elischer]

Poul-Henning Kamp wrote:
> We have four concepts of "console" in FreeBSD:
> 
> 1. Whatever boot0/boot1/boot2/loader uses
>     Accessed from/via native boot/firmware environment

#1 is sort of independent as it stops being used at the moment FreeBSd starts.
> 
> 2. The boot/DDB/printf(9)/panic(9) console ("The low-level console").
>     Polled operation since interrupts may not be working.

I always want this to be set to be the same device as #1.
(with dcons that is already not possible)

> 
> 3. The tty which /sbin/init uses for single-user and /etc/rc
>     Can be any tty, but convention has been "/dev/console"

I would want this to be the same device as  #2

> 
> 4. The /dev/console device in multi-user mode.
>     Emergency output device for critical messages.
> 

but, emergency messages from where? You've coverred the ones I care about above.


My main concern is that when I have a single serial console,
All these things are captured on the session logger that is monitoring it.

As long as that can happen I'm not too worried about how that happens.