Date: Thu, 13 Nov 1997 12:28:40 +0000 From: Brian Somers <brian@awfulhak.org> To: Joseph Stein <joes@seaport.net> Cc: freebsd-questions@FreeBSD.ORG, brian@awfulhak.net Subject: Re: FCS error? Message-ID: <199711131228.MAA15701@awfulhak.demon.co.uk> In-Reply-To: Your message of "Thu, 13 Nov 1997 02:52:27 PST." <199711131052.CAA01027@shasta.wstein.com>
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> > Phase: HDLC errors -> FCS: 1 ADDR: 0 COMD: 0 PROTO: 0
[.....]
> > Phase: HDLC errors -> FCS: 3 ADDR: 0 COMD: 0 PROTO: 0
>
> Can somebody (Brian ??? :) tell me please, what an FCS error is, and if
> tere is any solution to combatting it?
>
> I am using FreeBSD-STABLE, recently built (yesterday, 12-Nov from sources
> current at 23:00 11-Nov), and have been getting a LOT of these (even before
> the rebuild).
>
> They seem to occur about the same time that I get (either) silo or interrupt
> level overflows.
[.....]
Each lump of ppp data is framed with a couple of initial bytes and a
sum at the end. An FCS error is when the sum doesn't add up.
It's normally due to flow control, sio overflows or the fact that
you're not talking to a ppp program (perhaps ppp has exited and
you're trying to parse login prompts).
> joe
--
Brian <brian@Awfulhak.org>, <brian@FreeBSD.org>, <bri@OpenBSD.org>
<http://www.Awfulhak.org>;
Don't _EVER_ lose your sense of humour....
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