<p></p>
<p>The backtrace seems to be from the core file generated on shutdown. Likely the core file generated for the runtime issue was overwritten.</p>
<p>Look in the logs and see if you can spot logs printed by PID <code>2858</code>, that is the process that crashed.</p>
<p>Also, enable core file per process/pid, see:</p>
<ul>
<li><a href="https://www.kamailio.org/wiki/tutorials/troubleshooting/coredumpfile#how_do_get_a_core_file" rel="nofollow">https://www.kamailio.org/wiki/tutorials/troubleshooting/coredumpfile#how_do_get_a_core_file</a></li>
</ul>
<p>Then try to reproduce and you should eventually get more than one core file. Paste here the gdb <code>bt full</code> for each of the core files.</p>

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