Beowulf digest, Vol 1 #1090 - 10 msgs
maurice at harddata.com
Tue Nov 5 19:00:26 PST 2002
With regards to your message at 05:47 PM 11/5/02,
beowulf-request at beowulf.org. Where you stated:
>From: "David Mathog" <mathog at mendel.bio.caltech.edu>
>To: beowulf at beowulf.org
>Subject: Tyan serial console - how?
>Date: Tue, 05 Nov 2002 12:36:51 -0800
>I've been trying to get the Tyan serial console working
>on our rack full of 2466 boards. So far only partial success.
When Linux kernel loads you do not get console sent to serial by default,
so on your boot command you may wish to add the following kernel parameters:
This does assume, of course, that when you built your kernel you enabled
serial console support.
In your .config you should see some lines like:
Also, note the 19,200 speed.
In general speeds that are higher than this are not very useful ,
especially under software (X-on/X-off) flow control are not that good above
You will see some "snow" as the terminal scans the screen on intervals.
While irritating, it is harmless.
Next question is how do you deal with the fact that the terminal keyboards
do not make keycodes for "Esc" or "F2" by default?
Perhaps looking at what a VT100 terminal actually works with may be
And for ANSI sequences:
Before everyone gets on Tyan's case about this, the things you are seeing
are NORMAL serial console behaviour. This was the same on DEC boxes, old
Suns, HP's and so forth as well.
With our best regards,
Maurice W. Hilarius Telephone: 01-780-456-9771
Hard Data Ltd. FAX: 01-780-456-9772
11060 - 166 Avenue mailto:maurice at harddata.com
Edmonton, AB, Canada http://www.harddata.com/
Ask me about NAS and near-line storage
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