Hi Jason,

Sorry for delay, but I did like to try Carsten's proposal, before I send you the GDB traceback.

Now I installed the same packages but from kamailio-4.4.1-1.1, did not change the config and repeated the test - same result.

tshark, level 2 logs and GDB traceback in attachment of this mail.

I found two cores from the same time, only one fits to kamailio.pid, but I did two backtraces.

Two suspects:

1) deactivated the dispatchers (want to activate in later step)

2) deactivated presence DB (want to activate in a later step)

Thanks for help,

Christoph

Gesendet: Dienstag, 31. Mai 2016 um 08:25 Uhr
Von: "Jason Penton" <jason.penton@smilecoms.com>
An: "SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - Users Mailing List" <sr-users@lists.sip-router.org>
Betreff: Re: [SR-Users] S-CSCF (kamailio) crashes after deregistration of client

Will look into this for you later today. Any chance of a gdb backtrace in the meantime?

On 31 May 2016 8:07 AM, "Christoph Valentin" <christoph.valentin@gmx.at> wrote:

I'm experimentally using kamailio 4.4.0-12.1 as an S-CSCF, connected via Cx to an HSS and connected via Mw to a Zoiper Client.

I installed following RPMs:

kamailio-xml-4.4.0-12.1.x86_64

kamailio-4.4.0-12.1.x86_64

kamailio-debuginfo-4.4.0-12.1.x86_64

kamailio-mysql-4.4.0-12.1.x86_64

kamailio-ims-4.4.0-12.1.x86_64

kamailio-tls-4.4.0-12.1.x86_64

kamailio-presence-4.4.0-12.1.x86_64

and copied config from kamailio-4.4.0_src.tar.gz

examples/scscf

Modified config (see attached etc_kamailio.tar.gz)

Prepared Zoiper client, prepared HSS

Then started S-CSCF (kamctl start), registered user xaver@vict-ims.net, registered user yvonne@vict-ims.net, deregistered user yvonne@vict-ims.net

After some time S-CSCF gets signal 11 and stops, I guess its some timer expiring thats the reason (tshark and kamailio level 3 logs in attachment) ---> who's wrong? Is it a bug in kamailio? Is it a wrong config?

Thanks for help

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