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Date:      Tue, 22 Jun 1999 10:39:11 -0700
From:      Aaron Smith <aaron-fbsd@mutex.org>
To:        "Bill G." <billg@cyberwar.com>
Cc:        freebsd-hackers@FreeBSD.ORG
Subject:   Re: Serial Console Wierdness 
Message-ID:  <199906221739.KAA13462@sigma.veritas.com>
In-Reply-To: Your message of "Tue, 22 Jun 1999 13:31:33 EDT." <Pine.BSF.4.10.9906221322230.3019-100000@outland.cyberwar.com> 

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'cu' hangs up really easily. use 'kermit' (it's in ports) and the hangup
problem will disappear. i tried to find an option to cu to modify its
hangup behavior but to no avail.

your second problem sounds like it could be terminal sizing -- have you
tried this with a default 80x24 window, set and exported TERM properly, etc?

i was not able to get my console to work properly past 38400 baud; i am not
sure why. 38400 has been just fine speed-wise for me, though, so i'm not
that upset. :)

(also see http://www.arctic.org/~aaron/tips/freebsd-serial-console)

aaron

On Tue, 22 Jun 1999 13:31:33 EDT, "Bill G." writes:
>I got a serial console working on COM2, to which I have connected
>another FreeBSD box.  I connect with 'cu' fine, but I'm running into
>a couple of problems which I haven't been able to find and answer
>for.
>
>o  When I connect, when the machine is first turned on, I get
>   disconnected twice during the boot up sequence (cu reports
>   Got hangup signal) -- looks like when the sio1 device is
>   probed, and also when getty runs.
>
>o  9600 was rather slow, so I changed it to 115200, which worked,
>   however I had a few problems with terminal display -- any
>   output that scrolls down past the bottom of the screen gets
>   'garbled'.  (IE, I run clear; ls -l /  -- the first 23 lines
>   look ok then it gets messed up).  Same results from console
>   mode of my client machine and from an xterm.  I thought that
>   115200 might be too fast, so I slowed it down to 38400, but
>   same trouble.  I'm not sure if this occured at 9600.
>
>Any thoughts / ideas / suggestions would be appreciated.  Thanks,


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