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Date:      Thu, 18 Oct 2001 00:39:37 +0200
From:      Hans de Hartog <dehartog@rootsr.com>
To:        Doug Hardie <bc979@lafn.org>, freebsd-stable@freebsd.org
Subject:   Re: serial console
Message-ID:  <3BCE08A9.4050007@rootsr.com>
References:  <20011009113258.D35681-100000@shumai.marcuscom.com> <f04330139b7f3b35e5094@[10.0.1.100]>

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Doug Hardie wrote:

> I have not been able to get the serial console to work.  RELENG_4_3. New 
> install from CD followed by a cvsup.  I have:
> 
> /boot.config:
> -h
> 
> /boot/loader.conf:
> userconfig_script_load="YES"
> console="comconsole"
> 
> I have tried with the kernel built with the flags for sio0 set to 0x10 
> and 0x30.
> 
> In all cases, the system boots on the video console.  If I interrupt it 
> during the early boot and give the -h manually, then it uses the serial 
> console properly until the next boot.  I get the impression that 
> /boot.conf is not being read because if I put garbage in it there is no 
> visible effect.
> 
> I have researched the archives and tried the things mentioned without 
> any success.


Works fine with me, if you:

1) make sure it's /boot.config (and NOT /boot.conf)
2) It contains just "-h" (without double quotes)
3) sio0 flags are 0x10 or 0x30 in your kernel
4) Have some device on your COM1-port that talks
    with 9600 baud, no parity and 1 stopbit
5) If you connect a serial port of another machine
    to COM1, make sure there's a properly wired
    NULL-modem in between

Hope this helps. Got some VGA-cards for sale :-)

Hans de Hartog




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