[asterisk-users] Defunct / zombie AGI after some execution time

[Mark]

Asterisk closes the channel properly.

When the channel is closed, the defunct AGI dies too.



---------- Original Message -----------
From: "Andrew Joakimsen" <joakimsen at gmail.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users at lists.digium.com>
Sent: Tue, 14 Nov 2006 19:52:26 -0500
Subject: Re: [asterisk-users] Defunct / zombie AGI after some execution time

> Does asterisk close the channel?
> 
> On 11/13/06, Mark <mark at pyme.net> wrote:
> >
> > Hello,
> >
> > We are running Asterisk-1.0.12 in a CentOS 4-4.2 system, kernel
> > 2.6.9-42.0.3.ELsmp.
> >
> > We have some custom AGI, and when we launch Asterisk the system works
> > fine.
> >
> > But **after some time**, each AGI execution generates a zombie <defunct>
> > process.
> >
> > We believe that it's not a problem in the AGI code, because Asterisk+AGI
> > is
> > working fine in the first "n" minutes/hours. This is a pstree sample:
> >
> > init-+-asterisk---asterisk---48*[asterisk]
> >
> > But after some execution time, this is the pstree output:
> >
> > init-+-asterisk---asterisk-+-28*[asterisk]
> >      |                     |-asterisk-+-21*[xxxxxxxxx.agi]
> >      |                     |          `-40*[xxxxxxxxx.agi]
> >      |                     |-5*[asterisk-+-yyyyyyyyy.agi]
> >      |                     |             |-zzzzzzzzz.agi]
> > (...)
> >
> > Each agi is a defunct process. It dies when the call (parent) finishes.
> >
> > When the first zombie appears, then ALL next AGI launched from Asterisk
> > generates a zombie.
> >
> > We have tested some improvements to solve the problem, with no success:
> >
> > - Upgrade from RedHat 8 to Centos 3.x
> > - Upgrade from Centos 3.x to Centos 4.x
> > - LD_ASSUME_KERNEL=2.4.1
> > - ulimit -n 65535
> > - Upgrade from asterisk 1.0.7 to 1.0.12
> >
> > Currenly we can not easily migrate from asterisk-1.0.x to 1.2.x
> >
> > Any ideas?. Could be Debian a solution?
> >
> > Thank you.
> > _______________________________________________
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> >
> 
------- End of Original Message -------