[Asterisk-Users] Floating point exception help

[Gary Pigott]

Hi Manfred,

I applied the patch and recompiled and reinstalled and I got the folowing
warning during my first test call:
Aug 19 12:26:51 WARNING[294927]: dsp.c:1234 __ast_dsp_silence: zero length
packet

It looks like that could be the problem... and the fix! I'll let you know if
the problem reoccurs. Might it be an idea to submit the patch to the
bugtracker?

Thanks,

Gary
----- Original Message ----- 
From: "Manfred Petz" <pm at deuromedia.at>
To: <asterisk-users at lists.digium.com>
Sent: Thursday, August 19, 2004 12:08 PM
Subject: Re: [Asterisk-Users] Floating point exception help


> On Thu, 19 Aug 2004, Gary Pigott wrote:
>
> | I'm running a fresh install of * (CVS-HEAD-08/13/04 with bristuff from
> | bri-stuff.0.1.0-RC4) on a Debian Sarge box...
> | I've got a generic HFC-S BRI ISDN card using i4l for inbound & outbound 
> calls
> | (I gave up on getting zaphfc working).
> |
> | Asterisk is crashing out with a floating point exception a couple of 
> minutes
> | into a SIP > PSTN call. SIP > SIP calls seem fine. Any idea where to 
> start
> | with this issue?
> |
> | Gary
> |
>
> Hi,
>
> I had the same problem. For me, the patch below works. It may not be the
> correct way to solve this, though.
>
> Let me know, if it works also for you.
>
> Manfred
>
>
>
>
> --- ../asterisk-v-1_0_RC2/dsp.c 2004-07-24 23:06:54.000000000 +0200
> +++ dsp.c       2004-08-18 10:11:26.017124954 +0200
> @@ -1229,6 +1229,13 @@
>        int x;
>        int res = 0;
>
> +       /*PM BEGIN*/
> +       if (len==0) {
> +               ast_log(LOG_WARNING, "zero length packet\n");
> +               return 0;
> +       }
> +       /*PM END*/
> +
>        accum = 0;
>        for (x=0;x<len; x++)
>                accum += abs(s[x]);
>
>
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