[asterisk-dev] Asterisk freezes because cannot create no more sockets

[Anthony Lamantia]

I don't have to time to see how relevant this is to you but this bug
http://bugs.digium.com/view.php?id=9235 may
also be of some interest to you.

On 4/18/07, Giorgio Incantalupo <gincantalupo at fgasoftware.com> wrote:
>
> Hi,
> found a web page explaining the bug:
> http://bugs.digium.com/view.php?id=7878
> It seems that a patch or driver upgrade can solve the problem.
>
>
> Giorgio Incantalupo
>
>
>
> Tzafrir Cohen wrote:
> > On Mon, Apr 16, 2007 at 10:11:39AM +0200, Giorgio Incantalupo wrote:
> >
> >> Hi,
> >> I have an Asterisk 1.2.9.1 on a Debian Sarge box with an ISDN beronet
> >> card. Sometimes my Asterisk frezees and user complain they cannot
> >> make/receive calls. I took a look inside messages log file and I saw
> >> errors like this:
> >>
> >> WARNING[21701] res_agi.c: unable to create fromast pipe: Too many open
> files
> >> WARNING[2894] acl.c: Cannot create socket
> >> ERROR[21971] rtp.c: Unable to allocate socket: Too many open files
> >> WARNING[21971] chan_sip.c: Unable to create RTP audio  session: Too
> many
> >> open files
> >> ERROR[21971] chan_sip.c: Unable to build sip pvt data for '1' (Out of
> >> memory)
> >> NOTICE[21971] app_dial.c: Unable to create channel of type 'SIP' (cause
> >> 42 - Switching equipment congestion)
> >> WARNING[2894] acl.c: Cannot create socket
> >> ...
> >>
> >
> > and naturally:   asterisk -rx "stop now"   will fail to connect due to
> > lack of file handles.
> >
> >
> >> Before restarting Asterisk I typed lsof getting a lot of lines like
> this
> >> (about 1000 lines):
> >> asterisk  31417 asterisk 1021w     FIFO        0,5              749130
> pipe
> >> asterisk  31417 asterisk 1022w     FIFO        0,5              749266
> pipe
> >> asterisk  31417 asterisk 1023w     FIFO        0,5              749285
> >> pipe    <---last one of my output!
> >>
> >> It seems that asterisk is creating pipes for some unknown (to me)
> reason.
> >>
> >> Is there anybody who knows what is creating all these pipes? I'd like
> to
> >> avoid a scheduled "restart now" every day (smells like Microsoft
> style...)
> >> Consider that we have many PBXes but this strange phenomena seems to
> >> happen only with ISDN (we have Asterisk Boxes with PRI cards but got no
> >> problems at all even with a lot of calls per minutes).
> >>
> >
> > What do you see in:
> >
> >   ls -l /proc/`cat /var/run/asterisk/asterisk.pid`/fd
> >
> > (note: this should have 1024 lines)
> >
> > If this is a an unnamed pipe, how do you find the other side?
> >
> >
>
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