[asterisk-users] Asterisk 1.6 produces *many* zombie processes on Debian.

[Ernie Dunbar]

> On Mon, Dec 20, 2010 at 5:39 PM, Ernie Dunbar <maillist at lightspeed.ca>
> wrote:
>> We have an issue with our Asterisk install where Asterisk produces many
>> Zombie processes (on the order of several hundred per minute) until
>> either
>> the Asterisk server is restarted (and the zombies die a natural death),
>> or
>> the kernel runs out of PID space (happens within hours) and brings the
>> system to a halt.
>>
>> This problem only happens when the server is under some non-trivial
>> load.
>> We were testing this server with 8 SCCP phones, making up to five
>> simultaneous calls through the DAHDI interface (a Digium Wildcard
>> TE410P/TE405P (1st Gen)). Once our customers (nearly all SIP clients)
>> start logging on and we get around 7 or 8 simultaneous DAHDI calls,
>> Asterisk starts producing zombie processes at a high rate.
>>
>> We are using the following software:
>>
>> Debian Lenny 5.0
>> Asterisk 1.6.2.15
>> `dahdi show version`: DAHDI Version: 2.4.0 Echo Canceller: MG2
>> Libpri 1.4.11.4
>>
>> A2Billing is also installed on this server, if that matters at all.
>>
>> Any help with this issue, including help in troubleshooting the cause,
>> is
>> highly appreciated.
>
> Simple
>
> In sip.conf please set "alwaysauthreject = yes"
>

Thanks for the tip, but we already did that a while ago. :)