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    Hello,<br>
    <br>
    did you get only one core file? This one seems from the main process
    when it discovered that a SIP worked crashed.<br>
    <br>
    If you got more than one, send the backtraces from the other core
    files. If you got only one, please enable one core file per process
    and re-do it again.<br>
    <br>
    See last part of:<br>
    <a class="moz-txt-link-freetext" href="http://www.kamailio.org/dokuwiki/doku.php/troubleshooting:corefiles">http://www.kamailio.org/dokuwiki/doku.php/troubleshooting:corefiles</a><br>
    <br>
    Cheers,<br>
    Daniel<br>
    <br>
    <br>
    On 6/2/11 3:57 PM, Ozren Lapcevic wrote:
    <blockquote
      cite="mid:BANLkTinDze_Kk4rBbrtwEfy_Ub8WKWFDag@mail.gmail.com"
      type="cite">Hi Daniel,<br>
      <br>
      here is the backtrace:<br>
      <br>
      #0&nbsp; 0x00007ffc46b81ed5 in raise () from /lib/libc.so.6<br>
      #1&nbsp; 0x00007ffc46b833f3 in abort () from /lib/libc.so.6<br>
      #2&nbsp; 0x000000000046119e in sig_alarm_abort (signo=&lt;value
      optimized out&gt;) at main.c:651<br>
      #3&nbsp; &lt;signal handler called&gt;<br>
      #4&nbsp; 0x00007ffc46c1c307 in syscall () from /lib/libc.so.6<br>
      #5&nbsp; 0x00007ffc4219f115 in imc_del_room (name=0x7ffc3fe0d388,
      domain=0x7ffc3fe0d398) at ../../mem/../futexlock.h:110<br>
      #6&nbsp; 0x00007ffc4219f1d8 in imc_htable_destroy () at imc_mng.c:104<br>
      #7&nbsp; 0x00007ffc4219347a in destroy () at imc.c:736<br>
      #8&nbsp; 0x00000000004d9964 in destroy_modules () at sr_module.c:732<br>
      #9&nbsp; 0x0000000000462930 in cleanup (show_status=1) at main.c:527<br>
      #10 0x0000000000463564 in shutdown_children (sig=&lt;value
      optimized out&gt;, show_status=1) at main.c:668<br>
      #11 0x0000000000463e9c in handle_sigs () at main.c:759<br>
      #12 0x0000000000465572 in main_loop () at main.c:1676<br>
      #13 0x0000000000467f53 in main (argc=&lt;value optimized out&gt;,
      argv=0x0) at main.c:2398<br>
      <br>
      I'm not sure if I got the right thing. I got it with gdb
      /usr/local/kamailio-ozren/sbin/kamailio --core core and called bt
      in gdb.<br>
      <br>
      I've repeated scenario described in the first mail: user tries to
      join in a private room without getting an invite first.<br>
      <br>
      Best regards,<br>
      Ozren<br>
      <br>
      <br>
      <div class="gmail_quote">On Wed, Jun 1, 2011 at 4:29 PM,
        Daniel-Constantin Mierla <span dir="ltr">&lt;<a
            moz-do-not-send="true" href="mailto:miconda@gmail.com">miconda@gmail.com</a>&gt;</span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
          0.8ex; border-left: 1px solid rgb(204, 204, 204);
          padding-left: 1ex;">
          <div bgcolor="#FFFFFF" text="#000000"> Hello,<br>
            <br>
            can you get the core dump and send the backtrace?<br>
            <br>
            Be sure you have 'ulimit -c unlimited', working directory
            (-w option) set to writable path and you don't run it in
            chowner (no -u or -g parameters).<br>
            <br>
            Cheers,<br>
            Daniel <br>
            <div>
              <div class="h5"> <br>
                On 6/1/11 4:25 PM, Ozren Lapcevic wrote: </div>
            </div>
            <blockquote type="cite">
              <div>
                <div class="h5">Hi,<br>
                  <br>
                  there is a bug in IMC module that crashes Kamailio.<br>
                  <br>
                  Here is the scenario: One user (<a
                    moz-do-not-send="true" href="mailto:pero@abc.hr"
                    target="_blank">pero@abc.hr</a>) creates private
                  chat room (<a moz-do-not-send="true"
                    href="mailto:chat-999@abc.hr" target="_blank">chat-999@abc.hr</a>).

                  Other user (<a moz-do-not-send="true"
                    href="mailto:oz@abc.hr" target="_blank">oz@abc.hr</a>)
                  tries to join the <a moz-do-not-send="true"
                    href="mailto:chat-999@abc.hr" target="_blank">chat-999@abc.hr</a>
                  by sending #join. Kamailio crashes at that point. Here
                  is the log:<br>
                  <br>
                  Best regards,<br>
                  Ozren<br>
                  <br>
                  <br>
                  Jun&nbsp; 1 15:10:37 ser-test kernel: [5844312.456709]
                  kamailio[20118]: segfault at 10 ip 7f28f89dae8e sp
                  7fffffffb750 error 4 in imc.so[7f28f89cf000+17000]<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20118]: INFO:
                  &lt;script&gt;: going to imc: F [<a
                    moz-do-not-send="true" href="mailto:sip%3Aoz@abc.hr"
                    target="_blank">sip:oz@abc.hr</a>] T [<a
                    moz-do-not-send="true"
                    href="mailto:sip%3Achat-999@abc.hr" target="_blank">sip:chat-999@abc.hr</a>]
                  B [#join]<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG:
                  &lt;core&gt; [receive.c:186]: preparing to run routing
                  scripts...<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20118]: DEBUG:
                  imc [imc.c:525]: found command<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG:
                  maxfwd [mf_funcs.c:85]: value = 70<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20118]: DEBUG:
                  imc [imc_cmd.c:146]: command: [join]<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG:
                  &lt;core&gt; [parser/msg_parser.c:201]: DEBUG:
                  get_hdr_body : content_length=223<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20118]: DEBUG:
                  imc [imc_cmd.c:292]: found room [chat-999]<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG:
                  &lt;core&gt; [parser/msg_parser.c:103]: found end of
                  header<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20118]: ERROR:
                  imc [imc_cmd.c:317]: attept to join private room
                  [chat-999] from user [oz]<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG:
                  &lt;core&gt; [parser/parse_to.c:174]: DEBUG:
                  add_param: tag=5e3288a6<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20113]: ALERT:
                  &lt;core&gt; [main.c:741]: child process 20118 exited
                  by a signal 11<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG:
                  &lt;core&gt; [parser/parse_to.c:803]: end of header
                  reached, state=29<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20119]: DEBUG:
                  &lt;core&gt; [parser/msg_parser.c:630]: SIP Request:<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20113]: ALERT:
                  &lt;core&gt; [main.c:744]: core was not generated<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20121]: DEBUG:
                  &lt;core&gt; [msg_translator.c:204]:
                  check_via_address(161.53.255.82, 161.53.255.82, 0)<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20119]: DEBUG:
                  &lt;core&gt; [parser/msg_parser.c:632]:&nbsp; method:&nbsp;
                  &lt;MESSAGE&gt;<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20113]: INFO:
                  &lt;core&gt; [main.c:756]: INFO: terminating due to
                  SIGCHLD<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20114]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20115]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20116]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20117]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20122]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20124]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20125]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20129]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20128]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20127]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20123]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20126]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20120]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20130]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20131]: INFO:
                  &lt;core&gt; [main.c:807]: INFO: signal 15 received<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20113]: DEBUG:
                  imc [imc.c:709]: room 3 chat-777<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20113]: DEBUG:
                  imc [imc.c:709]: room 11 chat-888<br>
                  Jun&nbsp; 1 15:10:37 ser-test
                  /usr/local/kamailio-ozren/sbin/kamailio[20113]: DEBUG:
                  imc [imc.c:709]: room 13 chat-999<br>
                  <br>
                  <br>
                  <br>
                  <br>
                  <fieldset></fieldset>
                  <br>
                </div>
              </div>
              <pre>_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
<a moz-do-not-send="true" href="mailto:sr-users@lists.sip-router.org" target="_blank">sr-users@lists.sip-router.org</a>
<a moz-do-not-send="true" href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users" target="_blank">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a>
</pre>
            </blockquote>
            <br>
            <pre cols="72">-- 
Daniel-Constantin Mierla -- <a moz-do-not-send="true" href="http://www.asipto.com" target="_blank">http://www.asipto.com</a>
<a moz-do-not-send="true" href="http://linkedin.com/in/miconda" target="_blank">http://linkedin.com/in/miconda</a> -- <a moz-do-not-send="true" href="http://twitter.com/miconda" target="_blank">http://twitter.com/miconda</a></pre>
          </div>
        </blockquote>
      </div>
      <br>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Daniel-Constantin Mierla -- <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
<a class="moz-txt-link-freetext" href="http://linkedin.com/in/miconda">http://linkedin.com/in/miconda</a> -- <a class="moz-txt-link-freetext" href="http://twitter.com/miconda">http://twitter.com/miconda</a></pre>
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