Hello,

you have to install kamailio dbg package in order to get debugging symbols, otherwise the backtrace is not useful.

Grab also the log messages printed by the process that crashed (match the pid of the log messages), the last ones are for other processes.

And what is the exact version of kamailio?

Cheers,
Daniel

On Wed, May 24, 2017 at 11:17 AM, Pete Kelly <pkelly@gmail.com> wrote:
Hi

I have Kamailio 4.4 proxying a "normal" call and am finding that it is crashing consistently when it tries to proxy the 200OK from a BYE request when dealing with a certain endpoint.

The SIP looks very normal to me and I've managed to obtain a trace, full debug logs and a core dump of the issue.

I can provide full copies of the files but the interesting parts from the logfile are here: https://pastebin.com/QkwVMxJj

bt output from the coredump is here: https://pastebin.com/auNRaeaU

Can anyone please advise?

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Daniel-Constantin Mierla - http://www.asipto.com