<p>There should be no need to restart after enabling core per pid.</p>
<p>Can you see the next log messages after:</p>
<pre><code>Aug  7 22:44:11 ip-172-31-46-236 /usr/local/sbin/kamailio[9477]: CRITICAL: <core> [pass_fd.c:277]: receive_fd(): EOF on 30
</code></pre>
<p>This is just saying that one process stopped, but not the reason why (signal, etc...), the log messages after it provide some information.</p>
<p>You can also try to run with latest branch 4.4 (pull, recompile and reinstall), I just backported a patch that should take care of handling the exit of additional processes created by libs, respectively:</p>
<ul>
<li><a href="https://github.com/kamailio/kamailio/commit/78684f2bba3d408e60eb8450bf915ebe92c8f8d1" class="commit-link"><tt>78684f2</tt></a></li>
</ul>

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