[Asterisk-Dev] Re: Asterisk core

Peter Nixon listuser at peternixon.net
Thu Apr 1 00:44:09 MST 2004 

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Yes. That is what I meant.
The H323 gatekeeper had an upper limit of 20 concurrent set when routing 
traffic to the Asterisk server, so Asterisk should never have been handling 
more than 20 calls at a time.

It appears that one of the asterisk modules (most likely chan_h323) cored 
after approximately 200 calls (19 minutes).

The only other modules in use are StripMSD, Prefix and Dial.

Regards

Peter

On Thursday 01 April 2004 02:54, Derek Smithies wrote:
> Hi,
>
>  My view is that it is not open file limit.
>
>  My understanding is that Peter meant in his initial letter,
>    After processing 200 calls,
>  and
>    when there were  20 concurrent calls, the h323 module failed.
>
> Openh323, which generates far more open files than asterisk, can manage
> 70 concurrent calls through a proxy before the file handle limit is
> reached.
>
> ===================
> A quick perusal of the code in the cvs, chan_h323.cxx revealed two
> instances of the strtok_r function.
>
> >From the man page of strtok_r:: (which is combined with strtok)
>
> BUGS
>        Never use these functions. If you do, note that:
>
>               These functions modify their first argument.
>
>               These functions cannot be used on constant strings.
>
>               The identity of the delimiting character is lost.
>
>               The strtok() function uses a static  buffer  while  parsing,
>               so it's not thread safe. Use strtok_r() if this matters to
> you.
>
>
> Now, in
> static struct ast_channel *oh323_request(char *type, int format, void
> *data) {
>
> there is a call to ::
>       strtok_r(host, "/", &(h323id));
>
>
> further down the procedure,
> there are two calls which use the variable host.
>
> >From the bugs section above,
>
>   "These functions modify their first argument" (the variable host)
>
>
> My view is that the strtok_r calls should be replaced...
>
> Derek.
> ============================================================
>
> On Thu, 1 Apr 2004, Peter Nixon wrote:
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> >
> > Ignore my previous email. Its late..
> > - From "uname -a":
> >
> > open files                    (-n) 1024
> >
> >
> > Peter
> >
> > On Thursday 01 April 2004 01:39, James Golovich wrote:
> > > I see lots of 'Too many open files'.  Try increasing your maximum files
> > > limit.  Since you say ~200 calls, I bet your max files is set to 255
> > >
> > > James
> > >
> > > On Thu, 1 Apr 2004, Peter Nixon wrote:
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> > > >
> > > > Hi Guys
> > > >
> > > > I am having some problems with G729 and H323.
> > > > Both are  working for small numbers of calls, but when I tried to run
> > > > 20 simultaneous calls I got though approximately 200 calls before
> > > > Asterisk dumped core :-(
> > > >
> > > > The last page of error messages are below.
> > > >
> > > > Does anyone have any idea on what to do to fix it? Is anyone else
> > > > having this problem?
> > > >
> > > > Mar 31 20:35:32 NOTICE[6127863]: Unable to create channel of type
> > > > 'Zap' Mar 31 20:35:33 WARNING[6160633]: Channel
> > > > 'H323/ip$x.74.46.201:38800/4578' sent into invalid extension 's' in
> > > > context 'default', but no invalid handler Mar 31 20:35:35
> > > > NOTICE[6193402]: Unable to create channel of type 'Zap' Mar 31
> > > > 20:35:35 NOTICE[6226172]: Unable to create channel of type 'Zap' Mar
> > > > 31 20:35:36 NOTICE[6258942]: Unable to create channel of type 'Zap'
> > > > Mar 31 20:35:37 NOTICE[6291712]: Unable to create channel of type
> > > > 'Zap' Mar 31 20:35:37 NOTICE[6324482]: Unable to create channel of
> > > > type 'Zap' Mar 31 20:35:37 WARNING[6357252]: Channel
> > > > 'H323/ip$x.74.46.201:38818/875' sent into invalid extension 's' in
> > > > context 'default', but no invalid handler Mar 31 20:35:39
> > > > NOTICE[1277997]: Unknown RTP codec 19 received
> > > > Mar 31 20:35:40 WARNING[6390020]: Channel
> > > > 'H323/ip$x.74.46.201:38830/4594' sent into invalid extension 's' in
> > > > context 'default', but no invalid handler Mar 31 20:35:41
> > > > NOTICE[1277997]: Unknown RTP codec 19 received
> > > > Mar 31 20:35:41 NOTICE[6422789]: Unable to create channel of type
> > > > 'Zap' Mar 31 20:35:41 NOTICE[6455559]: Unable to create channel of
> > > > type 'Zap' Mar 31 20:35:42 NOTICE[6504714]: Unable to create channel
> > > > of type 'Zap' Mar 31 20:35:42 NOTICE[6521099]: Unable to create
> > > > channel of type 'Zap' Mar 31 20:35:44 NOTICE[6553869]: Unable to
> > > > create channel of type 'Zap' Mar 31 20:35:44 NOTICE[6586639]: Unable
> > > > to create channel of type 'Zap' Mar 31 20:35:44 WARNING[6619409]:
> > > > Channel
> > > > 'H323/ip$64.74.46.201:38843/4605' sent into invalid extension 's' in
> > > > context 'default', but no invalid handler Mar 31 20:35:46
> > > > NOTICE[966686]: Unknown RTP codec 19 received
> > > > Mar 31 20:35:46 NOTICE[6652178]: Unable to create channel of type
> > > > 'Zap' Mar 31 20:35:46 NOTICE[1277997]: Unknown RTP codec 19 received
> > > > Mar 31 20:35:47 NOTICE[1277997]: Unknown RTP codec 19 received Mar 31
> > > > 20:35:50 ERROR[2949217]: Unable to allocate private structure, this
> > > > is very bad.
> > > > Mar 31 20:35:50 ERROR[2949217]: Unable to allocate private structure,
> > > > this is very bad.
> > > > Mar 31 20:35:50 ERROR[2949217]: Unable to allocate private structure,
> > > > this is very bad.
> > > > Mar 31 20:35:50 ERROR[2949217]: Unable to allocate private structure,
> > > > this is very bad.
> > > > Mar 31 20:35:50 NOTICE[1277997]: Unknown RTP codec 19 received
> > > > Mar 31 20:35:51 WARNING[6684703]: Channel
> > > > 'H323/ip$x.74.46.201:38849/892' sent into invalid extension 's' in
> > > > context 'default', but no invalid handler Mar 31 20:35:51
> > > > NOTICE[6717491]: Unable to create channel of type 'Zap' Mar 31
> > > > 20:35:52 NOTICE[6750267]: Unable to create channel of type 'Zap' Mar
> > > > 31 20:35:55 NOTICE[6783074]: Unable to create channel of type 'Zap'
> > > > Mar 31 20:35:56 NOTICE[6816020]: Unable to create channel of type
> > > > 'Zap' Mar 31 20:35:57 WARNING[6832405]: Unable to allocate socket:
> > > > Too many open files
> > > > Mar 31 20:35:57 WARNING[6832405]: Unable to create RTP session: Too
> > > > many open files
> > > > Mar 31 20:35:57 ERROR[6832405]: Unable to allocate private structure,
> > > > this is bad.
> > > > Mar 31 20:41:29 NOTICE[901144]: Unknown RTP codec 19 received
> > > > Mar 31 20:41:51 NOTICE[1572919]: Unknown RTP codec 19 received
> > > > Mar 31 20:41:53 NOTICE[1572919]: Unknown RTP codec 19 received
> > > > Mar 31 20:41:53 NOTICE[1572919]: Unknown RTP codec 19 received
> > > > Mar 31 20:41:55 NOTICE[1572919]: Unknown RTP codec 19 received
> > > > Mar 31 20:41:59 NOTICE[1572919]: Unknown RTP codec 19 received
> > > > Mar 31 20:42:03 NOTICE[1572919]: Unknown RTP codec 19 received
> > > > Mar 31 20:42:03 NOTICE[1572919]: Unknown RTP codec 19 received
> > > > Mar 31 21:16:29 NOTICE[966686]: Unknown RTP codec 19 received
> > > > Mar 31 21:16:45 NOTICE[966686]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:24 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:38 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:41 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:44 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:47 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:48 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:52 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:53 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:19:57 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 21:20:00 NOTICE[802859]: Unknown RTP codec 19 received
> > > > Mar 31 22:19:13 WARNING[16384]: Translator 'g729tolinb' does not
> > > > produce sample frames.
> > > > Mar 31 22:19:13 WARNING[16384]: Ignoring port for now
> > >
> > > _______________________________________________
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> >
> > - --
> >
> > Peter Nixon
> > http://www.peternixon.net/
> > PGP Key: http://www.peternixon.net/public.asc
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- -- 

Peter Nixon
http://www.peternixon.net/
PGP Key: http://www.peternixon.net/public.asc
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