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Date: Fri, 7 Sep 2018 12:13:05 +0300
From: Lev Serebryakov <lev@FreeBSD.org>
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Organization: FreeBSD
Message-ID: <885322286.20180907121305@serebryakov.spb.ru>
To: Ian Lepore <ian@freebsd.org>, Warner Losh <imp@bsdimp.com>, 
 Dimitry Andric <dim@freebsd.org>
CC: FreeBSD Hackers <freebsd-hackers@freebsd.org>, 
 Allan Jude <allanjude@freebsd.org>
Subject: Re: Is here way to have 9600+ serial console and see boot0 message?
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Hello Lev,

Thursday, September 6, 2018, 6:43:31 PM, you wrote:

>  I've tried this. It doesn't help. I don't know why, but symptoms are
> the same: after BIOS messages terminal (it is software one, of course)
> clears, cursor moves chaotically without any real output, and this
> behavior continues till I issue "Reset Terminal" command via terminal
> program menu. After terminal reset all output (from loader, kernel and,
> later, getty) shows normally.
 Ok, I found "<ESC>[2;30;40m" in BIOS output. Set "Black on black".

 Now I'm trying to squeeze sending of "<ESC>c" (reset) into boot0sio.

-- 
Best regards,
 Lev                            mailto:lev@FreeBSD.org