*BSD News Article 53445


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From: richard@cogsci.ed.ac.uk (Richard Tobin)
Subject: Re: Question about silo overflows on sio1
Message-ID: <DH43t0.8M9@cogsci.ed.ac.uk>
Organization: HCRC, University of Edinburgh
References: <DH1FEs.E66@galaxia.network23.com>
Date: Fri, 27 Oct 1995 14:48:33 GMT
Lines: 20

In article <DH1FEs.E66@galaxia.network23.com> dave@galaxia.network23.com (David H. Brierley) writes:

>Oct 25 22:07:12 galaxia /kernel: sio1: 2 more silo overflows (total 137)

>What I am wondering is wether I have something misconfigured, if maybe the
>serial board is not as fast as I think it is, if this is normal, or what?

I don't know what the problem is, but it's not normal.  I have a
386DX33 with 8250 sio (ie no buffering), and a 28.8k modem and most
days I don't see any silo overflow.

>- I am driving the serial port at 115K

You could try turning it down to, say, 56k.  It's unlikely to
be the bottleneck even with a 28.8k modem.

-- Richard
-- 
"... we were extremely sceptical, like most people, about 'conspiracy
 theories of history' ..."        - The Holy Blood and the Holy Grail