Date: Wed, 01 Apr 1998 11:53:36 +0200 From: Eric Feillant <Eric.Feillant@EUnet-Bretagne.fr> To: Wolfgang Helbig <helbig@Informatik.BA-Stuttgart.DE> Cc: hm@hcs.de, garyj@muc.de, freebsd-isdn@FreeBSD.ORG Subject: Re: i4b-L1-F_ill:What is this? Message-ID: <35220EA0.8E8513E1@EUnet-Bretagne.fr> References: <199804010942.LAA22292@rvc1.informatik.ba-stuttgart.de>
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I test in few minutes the patch wolfgang just wrote here =>
Wolfgang Helbig a écrit:
> > >From the keyboard of Gary Jennejohn:
> >
> > > >> xxx_ISAC_IRQ..: RME: Input Buffer Overflow...
> > >
> > > I see exactly the same thing with a Teles 16.3 card when I boot and _before_
> > > isdnd starts. Once the daemon is running the messages disappear.
> >
> > Hmm - Gary, i remember we found out that you have got a constant-active
> > ("daueraktiv" in german, don't know the english word) S0 bus, perhaps
> > this is the cause ?!
>
> According to Q.921 5.9.3 the max size of the information field is
> 260 bytes. Add four bytes (2 bytes address and 2 bytes control)
> and you end up with a max size of a D frame of 264 bytes.
>
> So I suggest the following change:
> (Didn't test it though)
>
> Wolfgang
> --- /home/helbig/src/i4b/layer1/i4b_l1.h Tue Mar 10 14:57:47 1998
> +++ layer1/i4b_l1.h Wed Apr 1 11:38:22 1998
> @@ -72,7 +72,7 @@
>
> #define SEC_DELAY 1000000 /* one second DELAY for DELAY*/
>
> -#define MAX_DFRAME_LEN 260 /* max length of a D frame */
> +#define MAX_DFRAME_LEN 264 /* max length of a D frame */
>
> #define min(a,b) ((a)<(b)?(a):(b))
>
>
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