Date: Wed, 3 Jun 1998 10:12:39 +0200 (METDST) From: hm@hcs.de (Hellmuth Michaelis) To: freebsd-isdn@FreeBSD.ORG (ISDN Mailinglist) Subject: Re: Problem oder normal ? Message-ID: <m0yh8f1-00006jC@hcswork.hcs.de> In-Reply-To: <199806021954.VAA08412@peedub.muc.de> from Gary Jennejohn at "Jun 2, 98 09:54:52 pm"
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>From the keyboard of Gary Jennejohn:
> >> some minutes ago, when I was closing my open internet-connetion, I got
> >> a somhow strage looking message from the FreeBSD (2.2.5) kernel
> >> ("i4b-L3-next_l3state").I don't know if this is a problem.
> >
> >This is an indication of a problem. The isppp driver instructs layer 4
> >to disconnect 2 times which is not appropriate. Perhaps Gary or Joerg
> >know more why this happens.
>
> that was my first thought when I saw this report. I took a quick look
> at the code (both i4b_isppp.c and if_spppsubr.c) but didn't see anything
> obvious.
I did not look at i4b_isppp.c and if_spppsubr.c but at the layer 3 fsm. The
bug report says, that the layer 3 is already in the disconnect state and
gets a second EV_DISCRQ.
A workaround were to ignore the second EV_DISCRQ in l3, but according to
Q.931 (03/93) it is illegal to do that.
hellmuth
--
Hellmuth Michaelis Tel +49 40 559747-70
HCS Hanseatischer Computerservice GmbH Fax +49 40 559747-77
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