<p>The output of the commands is </p>
<div class="highlight highlight-source-c"><pre>(gdb) info locals
No symbol table info available.
(gdb) p *cb
No symbol <span class="pl-s"><span class="pl-pds">"</span>cb<span class="pl-pds">"</span></span> in current context.```
the following is gdb bt <span class="pl-k">for</span> same
```c
#<span class="pl-c1">0</span> 0x0000000000000000 in ?? ()
#<span class="pl-c1">1</span> 0x00007fbbf1e3ef86 in <span class="pl-en">run_create_callbacks</span> (dlg=0x7fbbf69981a8, msg=0x7fbc17338d80) at dlg_cb.c:230
#<span class="pl-c1">2</span> 0x00007fbbf1e5aedf in <span class="pl-en">dlg_new_dialog</span> (req=0x7fbc17338d80, t=0x7fbbf6996b18, run_initial_cbs=<span class="pl-c1">1</span>) at dlg_handlers.c:869
#<span class="pl-c1">3</span> 0x00007fbbf1e5980e in <span class="pl-en">dlg_onreq</span> (t=0x7fbbf6996b18, type=<span class="pl-c1">1</span>, param=0x7fbc16ff9c60 <params>) at dlg_handlers.c:722
#<span class="pl-c1">4</span> 0x00007fbc16d32b25 in <span class="pl-en">run_reqin_callbacks_internal</span> (hl=0x7fbbf64a16e8, trans=0x7fbbf6996b18, params=0x7fbc16ff9c60 <params>) at t_hooks.c:360
#<span class="pl-c1">5</span> 0x00007fbc16d32c31 in <span class="pl-en">run_reqin_callbacks</span> (trans=0x7fbbf6996b18, req=0x7fbc17338d80, code=<span class="pl-c1">1</span>) at t_hooks.c:385
#<span class="pl-c1">6</span> 0x00007fbc16ceee63 in <span class="pl-en">build_cell</span> (p_msg=0x7fbc17338d80) at h_table.c:373
#<span class="pl-c1">7</span> 0x00007fbc16d44e8c in <span class="pl-en">new_t</span> (p_msg=0x7fbc17338d80) at t_lookup.c:1269
#<span class="pl-c1">8</span> 0x00007fbc16d46194 in <span class="pl-en">t_newtran</span> (p_msg=0x7fbc17338d80) at t_lookup.c:1409
#<span class="pl-c1">9</span> 0x00007fbc16d17f8c in <span class="pl-en">t_relay_to</span> (p_msg=0x7fbc17338d80, proxy=0x0, proto=<span class="pl-c1">0</span>, replicate=<span class="pl-c1">0</span>) at t_funcs.c:242
#<span class="pl-c1">10</span> 0x00007fbc16d5a9e8 in <span class="pl-en">_w_t_relay_to</span> (p_msg=0x7fbc17338d80, proxy=0x0, force_proto=<span class="pl-c1">0</span>) at tm.c:1425
#<span class="pl-c1">11</span> 0x00007fbc16d5bc6d in <span class="pl-en">w_t_relay</span> (p_msg=0x7fbc17338d80, _foo=0x0, _bar=0x0) at tm.c:1626
#<span class="pl-c1">12</span> 0x000000000041f71f in <span class="pl-en">do_action</span> (h=0x7ffc5dc922a0, a=0x7fbc17107e10, msg=0x7fbc17338d80) at action.c:1054
#<span class="pl-c1">13</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc922a0, a=0x7fbc17107e10, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">14</span> 0x000000000042cc6a in <span class="pl-en">run_actions_safe</span> (h=0x7ffc5dc95eb0, a=0x7fbc17107e10, msg=0x7fbc17338d80) at action.c:1614
#<span class="pl-c1">15</span> 0x000000000055a40a in <span class="pl-en">rval_get_int</span> (h=0x7ffc5dc95eb0, msg=0x7fbc17338d80, i=0x7ffc5dc92694, rv=0x7fbc171081f8, cache=0x0) at rvalue.c:912
#<span class="pl-c1">16</span> 0x000000000055ea84 in <span class="pl-en">rval_expr_eval_int</span> (h=0x7ffc5dc95eb0, msg=0x7fbc17338d80, res=0x7ffc5dc92694, rve=0x7fbc171081f0) at rvalue.c:1910
#<span class="pl-c1">17</span> 0x000000000055eee6 in <span class="pl-en">rval_expr_eval_int</span> (h=0x7ffc5dc95eb0, msg=0x7fbc17338d80, res=0x7ffc5dc927f8, rve=0x7fbc171089b8) at rvalue.c:1918
#<span class="pl-c1">18</span> 0x000000000041f1ca in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc17109328, msg=0x7fbc17338d80) at action.c:1030
#<span class="pl-c1">19</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc170ed478, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">20</span> 0x000000000041bee8 in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc172b46d0, msg=0x7fbc17338d80) at action.c:678
#<span class="pl-c1">21</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc172b44d8, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">22</span> 0x000000000041bee8 in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc1727e7d8, msg=0x7fbc17338d80) at action.c:678
#<span class="pl-c1">23</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc1727d938, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">24</span> 0x000000000041bee8 in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc17177560, msg=0x7fbc17338d80) at action.c:678
#<span class="pl-c1">25</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc171711d0, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">26</span> 0x000000000041bee8 in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc1724f4b8, msg=0x7fbc17338d80) at action.c:678
#<span class="pl-c1">27</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc1724a858, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">28</span> 0x000000000041bee8 in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc17194b28, msg=0x7fbc17338d80) at action.c:678
#<span class="pl-c1">29</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc1717fa10, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">30</span> 0x000000000041bee8 in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc17056e60, msg=0x7fbc17338d80) at action.c:678
#<span class="pl-c1">31</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc170563c8, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">32</span> 0x000000000041f68e in <span class="pl-en">do_action</span> (h=0x7ffc5dc95eb0, a=0x7fbc170570c0, msg=0x7fbc17338d80) at action.c:1045
#<span class="pl-c1">33</span> 0x000000000042c5aa in <span class="pl-en">run_actions</span> (h=0x7ffc5dc95eb0, a=0x7fbc1704d908, msg=0x7fbc17338d80) at action.c:1549
#<span class="pl-c1">34</span> 0x000000000042cd53 in <span class="pl-en">run_top_route</span> (a=0x7fbc1704d908, msg=0x7fbc17338d80, c=0x0) at action.c:1635
#<span class="pl-c1">35</span> 0x000000000051d57a in <span class="pl-en">receive_msg</span> (
buf=0xabb500 <buf> <span class="pl-s"><span class="pl-pds">"</span>INVITE sip:919503338275@sunilmore.in SIP/2.0<span class="pl-cce">\r\n</span>Via: SIP/2.0/UDP sunilmore.in:58178;branch=z9hG4bK-524287-1---572ff95dc637760d;rport<span class="pl-cce">\r\n</span>Max-Forwards: 69<span class="pl-cce">\r\n</span>Contact: <sip:zG8s8uYj9@sunilmore.in:58178;rins<span class="pl-pds">"</span></span>..., len=<span class="pl-c1">1618</span>, rcv_info=0x7ffc5dc96220) at receive.c:240
#<span class="pl-c1">36</span> 0x00000000006302f1 in <span class="pl-en">udp_rcv_loop</span> () at udp_server.c:495
#<span class="pl-c1">37</span> 0x00000000004b3062 in <span class="pl-en">main_loop</span> () at main.c:1600
#<span class="pl-c1">38</span> 0x00000000004ba772 in <span class="pl-en">main</span> (argc=<span class="pl-c1">13</span>, argv=0x7ffc5dc96728) at main.c:2616</pre></div>
<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly or <a href="https://github.com/kamailio/kamailio/issues/619#issuecomment-219004494">view it on GitHub</a><img alt="" height="1" src="https://github.com/notifications/beacon/AF36ZRQnyBepaUKXQu4L8lhMGsr14Voxks5qBE5AgaJpZM4IdwEc.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
<link itemprop="url" href="https://github.com/kamailio/kamailio/issues/619#issuecomment-219004494"></link>
<meta itemprop="name" content="View Issue"></meta>
</div>
<meta itemprop="description" content="View this Issue on GitHub"></meta>
</div>