<h4 dir="auto">Pre-Submission Checklist</h4>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Commit message has the format required by CONTRIBUTING guide</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Commits are split per component (core, individual modules, libs, utils, ...)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Each component has a single commit (if not, squash them into one commit)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> No commits to README files for modules (changes must be done to docbook files<br>
in <code class="notranslate">doc/</code> subfolder, the README file is autogenerated)</li>
</ul>
<h4 dir="auto">Type Of Change</h4>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Small bug fix (non-breaking change which fixes an issue)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> New feature (non-breaking change which adds new functionality)</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Breaking change (fix or feature that would change existing functionality)</li>
</ul>
<h4 dir="auto">Checklist:</h4>
<ul class="contains-task-list">
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> PR should be backported to stable branches</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox" checked=""> Tested changes locally</li>
<li class="task-list-item"><input type="checkbox" id="" disabled="" class="task-list-item-checkbox"> Related to issue #XXXX (replace XXXX with an open issue number)</li>
</ul>
<h4 dir="auto">Description</h4>
<p dir="auto">There's a problem after upgrade to 5.6 on FreeBSD. Kamailio isn't starting successful.</p>
<div class="snippet-clipboard-content notranslate position-relative overflow-auto" data-snippet-clipboard-copy-content="14:19:20.540514 kamailio 40921 - - DEBUG: <core> [core/cfg.y:1964]: yyparse(): loading module tls.so
14:19:20.540893 kamailio 40921 - - DEBUG: <core> [core/sr_module.c:513]: ksr_locate_module(): found module to load </usr/local/lib/kamailio/modules/tls.so>
14:19:20.540912 kamailio 40921 - - DEBUG: <core> [core/sr_module.c:563]: load_module(): trying to load </usr/local/lib/kamailio/modules/tls.so>
14:19:20.543301 kamailio 40921 - - ERROR: <core> [core/sr_module.c:352]: ksr_version_control(): no version info in module </usr/local/lib/kamailio/modules/tls.so>: Undefined symbol "_nss_cache_cycle_prevention_function""><pre class="notranslate"><code>14:19:20.540514 kamailio 40921 - - DEBUG: <core> [core/cfg.y:1964]: yyparse(): loading module tls.so
14:19:20.540893 kamailio 40921 - - DEBUG: <core> [core/sr_module.c:513]: ksr_locate_module(): found module to load </usr/local/lib/kamailio/modules/tls.so>
14:19:20.540912 kamailio 40921 - - DEBUG: <core> [core/sr_module.c:563]: load_module(): trying to load </usr/local/lib/kamailio/modules/tls.so>
14:19:20.543301 kamailio 40921 - - ERROR: <core> [core/sr_module.c:352]: ksr_version_control(): no version info in module </usr/local/lib/kamailio/modules/tls.so>: Undefined symbol "_nss_cache_cycle_prevention_function"
</code></pre></div>
<p dir="auto">The problem is in <code class="notranslate">ksr_version_control()</code> probably. In FreeBSD environment it should to flush <code class="notranslate">dlerror</code> before call <code class="notranslate">dlsym()</code> - <a href="https://www.freebsd.org/cgi/man.cgi?query=dlopen&sektion=3&format=html" rel="nofollow">dlopen(3)</a>.</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>  <a href='https://github.com/kamailio/kamailio/pull/3184'>https://github.com/kamailio/kamailio/pull/3184</a></p>

<h4>Commit Summary</h4>
<ul>
  <li><a href="https://github.com/kamailio/kamailio/pull/3184/commits/d09cd1402138674baf0531d227512bf3324334ac" class="commit-link">d09cd14</a>  core: fix ksr_version_control() for FreeBSD build</li>
</ul>

<h4 style="display: inline-block">File Changes </h4> <p style="display: inline-block">(<a href="https://github.com/kamailio/kamailio/pull/3184/files">1 file</a>)</p>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/kamailio/kamailio/pull/3184/files#diff-a900cccaf657b94a42b877ca701d0db77375e4f8028ac459b4df4e19179ccce1">src/core/sr_module.c</a>
    (3)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/kamailio/kamailio/pull/3184.patch'>https://github.com/kamailio/kamailio/pull/3184.patch</a></li>
  <li><a href='https://github.com/kamailio/kamailio/pull/3184.diff'>https://github.com/kamailio/kamailio/pull/3184.diff</a></li>
</ul>

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