[asterisk-users] ztdummy kills audio

[Tzafrir Cohen]

On Sat, Sep 15, 2007 at 01:30:26PM +0000, Chris Nestrud wrote:
> On Sat, 15 Sep 2007 16:03:07 +0300, Tzafrir Cohen <tzafrir.cohen at xorcom.com> wrote:
> > On Sat, Sep 15, 2007 at 12:47:59PM +0000, Chris Nestrud wrote:
> >> On Fri, 14 Sep 2007 20:46:13 -0400, John Albano <jalbano at voodoovox.com> wrote:
> >> > I'm seeing the problem on both etch and lenny releases.
> >> >
> >> > Linux ads04 2.6.18 #2 SMP Wed Sep 12 15:45:10 EDT 2007 i686 GNU/Linux
> >> 
> >> I have a similar problem and am also using Debian (lenny). I'm using an
> >> SMP kernel. Could that be the issue?
> >> 
> >> I tested with an AGI script, and the problem is that audio isn't sent.
> >> The script receives DTMF digits and otherwise acts as expected.
> >
> > Which kernel exactly?
> Debian's linux-image-2.6.22-2-686, version 2.6.22-4.
> 
> > What is the output of:  uname -a
> root at a1271:~# uname -a
> Linux a1271.userdns.net 2.6.22-2-686 #1 SMP Fri Aug 31 00:24:01 UTC 2007
> i686 GNU/Linux 
> 
> I thought this might be due to the fact that this is a Dual Core
> Processor, so I tested using "maxcpus=1" as a parameter to the kernel. This did not
> resolve the problem. The CPU is:
> 
> model name : AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ 

Can you try zaptel from 1.4 SVN, or even ztdummy from 1.4 SVN?

 http://svn.digium.com/svn/zaptel/branches/1.4/ztdummy.c

It should now use high-resolution timers for 2.6.22 users , so this may
work around your problem.

-- 
               Tzafrir Cohen       
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