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    I tracked down the path, which is confirmed by this trace. From the
    logs can be seen that it is just next chunk in memory.<br>
    <br>
    Can you send the output from gdb of:<br>
    <br>
    frame 2<br>
    p *f<br>
    <br>
    Daniel<br>
    <br>
    <div class="moz-cite-prefix">On 20/10/14 12:16, 张顺通 wrote:<br>
    </div>
    <blockquote
cite="mid:CA+igrvxgLFEGeJ3BZ1o=winoZ4AQDwTaEk2Q4+UqvTN0bMnbug@mail.gmail.com"
      type="cite">
      <div dir="ltr">4.2.0  have a core<br>
        <br>
        #0  0x00007ffff7488265 in raise () from /lib64/libc.so.6<br>
        No symbol table info available.<br>
        #1  0x00007ffff7489d10 in abort () from /lib64/libc.so.6<br>
        No symbol table info available.<br>
        #2  0x0000000000615b74 in qm_debug_frag (qm=0x7ffff6c55010,
        f=0x7ffff6cdcf08) at mem/q_malloc.c:161<br>
                __FUNCTION__ = "qm_debug_frag"<br>
        #3  0x0000000000616d87 in qm_malloc (qm=0x7ffff6c55010, size=56,
        file=0x7ffff5fedef8 "<core>: db_res.c",
        func=0x7ffff5fee288 "db_new_result", line=112)<br>
            at mem/q_malloc.c:388<br>
                f = 0x7ffff6cdcf08<br>
                hash = 2057<br>
                list_cntr = 1<br>
                __FUNCTION__ = "qm_malloc"<br>
        #4  0x00007ffff5fdaa2f in db_new_result () at db_res.c:112<br>
                r = 0x0<br>
                __FUNCTION__ = "db_new_result"<br>
        #5  0x00007ffff6a386d6 in db_mysql_new_result () at km_res.c:235<br>
                obj = 0x0<br>
                __FUNCTION__ = "db_mysql_new_result"<br>
        #6  0x00007ffff6a29c7a in db_mysql_store_result
        (_h=0x7ffff6cb4e78, _r=0x7fffffffdf38) at km_dbase.c:227<br>
                code = -165731152<br>
                __FUNCTION__ = "db_mysql_store_result"<br>
        #7  0x00007ffff5fd3516 in db_do_query_internal
        (_h=0x7ffff6cb4e78, _k=0x7fffffffdf70, _op=0x0,
        _v=0x7fffffffdf40, _c=0x7fffffffdf60, _n=1, _nc=1, _o=0x0, <br>
            _r=0x7fffffffdf38, val2str=0x7ffff6a39374
        <db_mysql_val2str>, submit_query=0x7ffff6a2825c
        <db_mysql_submit_query>, <br>
            store_result=0x7ffff6a2998c <db_mysql_store_result>,
        _l=0) at db_query.c:137<br>
                tmp = 32767<br>
                off = 63<br>
                ret = 23<br>
                __FUNCTION__ = "db_do_query_internal"<br>
        #8  0x00007ffff5fd3fbd in db_do_query (_h=0x7ffff6cb4e78,
        _k=0x7fffffffdf70, _op=0x0, _v=0x7fffffffdf40,
        _c=0x7fffffffdf60, _n=1, _nc=1, _o=0x0, _r=0x7fffffffdf38, <br>
            val2str=0x7ffff6a39374 <db_mysql_val2str>,
        submit_query=0x7ffff6a2825c <db_mysql_submit_query>,
        store_result=0x7ffff6a2998c <db_mysql_store_result>)<br>
            at db_query.c:156<br>
        No locals.<br>
        #9  0x00007ffff6a2b04e in db_mysql_query (_h=0x7ffff6cb4e78,
        _k=0x7fffffffdf70, _op=0x0, _v=0x7fffffffdf40,
        _c=0x7fffffffdf60, _n=1, _nc=1, _o=0x0, _r=0x7fffffffdf38)<br>
            at km_dbase.c:323<br>
        No locals.<br>
        #10 0x00007ffff5fcd6e9 in db_table_version (dbf=0x7ffff2d1e3c0,
        connection=0x7ffff6cb4e78, table=0x7ffff2d1d990) at db.c:400<br>
                key = {0x7fffffffdf20}<br>
                col = {0x7fffffffdf10}<br>
                val = {{type = DB1_STR, nul = 0, free = -167987365, val
        = {int_val = -223246127, ll_val = 140737265109201, double_val =
        6.9533447780108125e-310, <br>
                      time_val = 140737265109201, string_val =
        0x7ffff2b188d1 "dispatcher", str_val = {s = 0x7ffff2b188d1
        "dispatcher", len = 10}, blob_val = {s = 0x7ffff2b188d1
        "dispatcher", len = 10}, bitmap_val = 4071721169}}}<br>
                res = 0x0<br>
                ver = 0x0<br>
                version = 0x9c7be0<br>
                tmp1 = {s = 0x7ffff5feb0e1 "table_name", len = 10}<br>
                tmp2 = {s = 0x7ffff5feb0ec "table_version", len = 13}<br>
                ret = 8<br>
                __FUNCTION__ = "db_table_version"<br>
        #11 0x00007ffff2aeab2f in init_ds_db () at dispatch.c:666<br>
                ret = 297<br>
                __FUNCTION__ = "init_ds_db"<br>
        #12 0x00007ffff2b04434 in mod_init () at dispatcher.c:317<br>
                avp_spec = {type = 48, getf = 0x7fffffffe190, setf =
        0x7fffffffe0d0, pvp = {pvn = {type = 16, nfree = 0x3000000028, u
        = {isname = {type = -7760, name = {<br>
                            n = 7292328, s = {s = 0x6f45a8 "DEBUG", len
        = 7555677}, re = 0x6f45a8}}, dname = 0x3ffffe1b0}}, pvi = {type
        = 7555621, u = {ival = -223246127, <br>
                        dval = 0x7ffff2b188d1}}}, trans = 0x0}<br>
                __FUNCTION__ = "mod_init"<br>
        #13 0x000000000058f59d in init_mod (m=0x7ffff6cb3740) at
        sr_module.c:966<br>
                __FUNCTION__ = "init_mod"<br>
        #14 0x000000000058f8a2 in init_modules () at sr_module.c:995<br>
                t = 0x7ffff77ac500<br>
                i = 1187628493<br>
                __FUNCTION__ = "init_modules"<br>
        #15 0x00000000004aa2b0 in main (argc=5, argv=0x7fffffffe528) at
        main.c:2501<br>
                cfg_stream = 0xa94020<br>
                c = -1<br>
                r = 32767<br>
                tmp = 0x7ffff7ffd000 ""<br>
                tmp_len = 32767<br>
                port = -7008<br>
                proto = 32767<br>
                options = 0x7023e0
        ":f:cm:M:dVIhEeb:l:L:n:vKrRDTN:W:w:t:u:g:P:G:SQ:O:a:A:"<br>
                ret = -1<br>
                seed = 39348307<br>
                rfd = 8<br>
                debug_save = 0<br>
                debug_flag = 0<br>
                dont_fork_cnt = 0<br>
                n_lst = 0xf0b2ff<br>
                p = 0xbf <Address 0xbf out of bounds><br>
                __FUNCTION__ = "main"<br>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">2014-10-20 18:11 GMT+08:00
          Daniel-Constantin Mierla <span dir="ltr"><<a
              moz-do-not-send="true" href="mailto:miconda@gmail.com"
              target="_blank">miconda@gmail.com</a>></span>:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div bgcolor="#FFFFFF" text="#000000"> What are the
              differences between the server that works and the one that
              doesn't? I mean hardware and operating system details?<br>
              <br>
              Checking quickly the source code and comparing with logs,
              it doesn't reveal any problem -- it is about allocation of
              the next fragment, which was not used at all before, after
              the one allocated previously. The only reason I can think
              of it right now is corrupted memory or faulty OS.<span
                class="HOEnZb"><font color="#888888"><br>
                </font></span>
              <div><span class="HOEnZb"><font color="#888888"><br>
                    Daniel</font></span>
                <div>
                  <div class="h5"><br>
                    <br>
                    On 20/10/14 11:56, 张顺通 wrote:<br>
                  </div>
                </div>
              </div>
              <div>
                <div class="h5">
                  <blockquote type="cite">
                    <div dir="ltr">
                      <div>4.2 have the same problem.<br>
                      </div>
                      at begin i use 4.1, i think this is a bug in 4.1; 
                      then i use 4.2 to check to see if the problem is
                      solved. problems still in.<br>
                      <div>
                        <div><br>
                          see ka_4_2_0.log <br>
                          <div>​<br>
                            <div class="gmail_chip gmail_drive_chip"
                              style="width:396px;min-height:18px;max-height:18px;background-color:#f5f5f5;padding:5px;color:#222;font-family:arial;font-style:normal;font-weight:bold;font-size:13px;border:1px
                              solid #ddd;line-height:1"><a
                                moz-do-not-send="true"
href="https://docs.google.com/file/d/0B5x1TDtoeVvAckdMbDRmT3E3UjA/edit?usp=drive_web"
                                style="display:inline-block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-decoration:none;padding:1px
                                0px;border:medium none;width:100%"
                                target="_blank"><img
                                  moz-do-not-send="true"
                                  style="vertical-align:bottom;border:none"
src="https://ssl.gstatic.com/docs/doclist/images/icon_10_generic_list.png"> <span
                                  dir="ltr"
                                  style="color:#15c;text-decoration:none;vertical-align:bottom">ka_4_2_0.log</span></a></div>
                            ​<br>
                          </div>
                        </div>
                      </div>
                    </div>
                    <div class="gmail_extra"><br>
                      <div class="gmail_quote">2014-10-20 17:48
                        GMT+08:00 张顺通 <span dir="ltr"><<a
                            moz-do-not-send="true"
                            href="mailto:shuntongzhang@gmail.com"
                            target="_blank">shuntongzhang@gmail.com</a>></span>:<br>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">
                          <div dir="ltr">
                            <div>ka.log is genrate by kamailio 4.1.6.<br>
                            </div>
                          </div>
                          <div>
                            <div>
                              <div class="gmail_extra"><br>
                                <div class="gmail_quote">2014-10-20
                                  17:44 GMT+08:00 Daniel-Constantin
                                  Mierla <span dir="ltr"><<a
                                      moz-do-not-send="true"
                                      href="mailto:miconda@gmail.com"
                                      target="_blank">miconda@gmail.com</a>></span>:<br>
                                  <blockquote class="gmail_quote"
                                    style="margin:0 0 0
                                    .8ex;border-left:1px #ccc
                                    solid;padding-left:1ex">Are you
                                    using 4.1 or 4.2?<br>
                                    <br>
                                    Because the subject mentioned 4.2
                                    but the version of kamailio is 4.1<br>
                                    <span><font color="#888888"><br>
                                        Daniel<br>
                                      </font></span><span><br>
                                      On 20/10/14 11:39, 张顺通 wrote:<br>
                                      > -M 12 can not help. all
                                      config is same.<br>
                                      ><br>
                                      > see ka.log in attachment,
                                      kamailio version is 4.1.6<br>
                                      ><br>
                                      > version: kamailio 4.1.6
                                      (x86_64/linux) 010d57<br>
                                      ><br>
                                      > flags: STATS: Off, USE_TCP,
                                      USE_TLS, TLS_HOOKS, USE_RAW_SOCKS,<br>
                                      > DISABLE_NAGLE, USE_MCAST,
                                      DNS_IP_HACK, SHM_MEM, SHM_MMAP,
                                      PKG_MALLOC,<br>
                                      > DBG_QM_MALLOC, USE_FUTEX,
                                      FAST_LOCK-ADAPTIVE_WAIT,
                                      USE_DNS_CACHE,<br>
                                      > USE_DNS_FAILOVER, USE_NAPTR,
                                      USE_DST_BLACKLIST, HAVE_RESOLV_RES<br>
                                      ><br>
                                      > ADAPTIVE_WAIT_LOOPS=1024,
                                      MAX_RECV_BUFFER_SIZE 262144,
                                      MAX_LISTEN 16,<br>
                                      > MAX_URI_SIZE 1024, BUF_SIZE
                                      65535, DEFAULT PKG_SIZE 4MB<br>
                                      ><br>
                                      > poll method support: poll,
                                      epoll_lt, epoll_et, sigio_rt,
                                      select.<br>
                                      ><br>
                                      > id: 010d57<br>
                                      ><br>
                                      > compiled on 16:48:03 Oct 20
                                      2014 with gcc 4.1.2<br>
                                      ><br>
                                      ><br>
                                      <br>
                                    </span>
                                    <div>
                                      <div>--<br>
                                        Daniel-Constantin Mierla<br>
                                        <a moz-do-not-send="true"
                                          href="http://twitter.com/#%21/miconda"
                                          target="_blank">http://twitter.com/#!/miconda</a>
                                        - <a moz-do-not-send="true"
                                          href="http://www.linkedin.com/in/miconda"
                                          target="_blank">http://www.linkedin.com/in/miconda</a><br>
                                        <br>
                                      </div>
                                    </div>
                                  </blockquote>
                                </div>
                                <br>
                              </div>
                            </div>
                          </div>
                        </blockquote>
                      </div>
                      <br>
                    </div>
                  </blockquote>
                  <br>
                  <pre cols="72">-- 
Daniel-Constantin Mierla
<a moz-do-not-send="true" href="http://twitter.com/#%21/miconda" target="_blank">http://twitter.com/#!/miconda</a> - <a moz-do-not-send="true" href="http://www.linkedin.com/in/miconda" target="_blank">http://www.linkedin.com/in/miconda</a></pre>
                </div>
              </div>
            </div>
          </blockquote>
        </div>
        <br>
      </div>
    </blockquote>
    <br>
    <pre class="moz-signature" cols="72">-- 
Daniel-Constantin Mierla
<a class="moz-txt-link-freetext" href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a class="moz-txt-link-freetext" href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a></pre>
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