<p>OK, I am testing master too.<br>
I have started the load tests. I should have results within 24 hours. However, latest commit <a href="https://github.com/kamailio/kamailio/commit/8d8e1b957d9461d80b15b8e52464322a4e2b5fb1" class="commit-link"><tt>8d8e1b9</tt></a> of master is logging this:</p>

<p>2015-08-27T14:36:07.034018+09:00 lab002187-flip-server /usr/local/src/git/kamailio-devel/kamailio[1958]: ERROR: db_mysql [km_dbase.c:121]: db_mysql_submit_query(): driver error on query: Column 'caller_contact' cannot be null<br>
2015-08-27T14:36:07.034032+09:00 lab002187-flip-server /usr/local/src/git/kamailio-devel/kamailio[1958]: ERROR:  [db_query.c:235]: db_do_insert_cmd(): error while submitting query<br>
2015-08-27T14:36:07.034039+09:00 lab002187-flip-server /usr/local/src/git/kamailio-devel/kamailio[1958]: ERROR: dialog [dlg_db_handler.c:803]: update_dialog_dbinfo_unsafe(): could not add another dialog to db</p>

<p>This doesn't cause the test calls to fail but of course, it means the dialog data will not be serialized to DB so it will not survive a restart/switchover.</p>

<p>Here is the kamailio version info:</p>

<p>[root@lab002187-flip-server ~]# kamctl fifo version<br>
Server:: kamailio (4.4.0-dev2 (x86_64/linux))<br>
Build:: mi_core.c compiled on 08:08:00 Aug 27 2015 with gcc 4.4.7<br>
Flags:: STATS: Off, USE_TCP, USE_TLS, USE_SCTP, TLS_HOOKS, USE_RAW_SOCKS, DISABLE_NAGLE, USE_MCAST, DNS_IP_HACK, SHM_MEM, SHM_MMAP, PKG_MALLOC, F_MALLOC, DBG_F_MALLOC, USE_FUTEX, FAST_LOCK-ADAPTIVE_WAIT, USE_DNS_CACHE, USE_DNS_FAILOVER, USE_NAPTR, USE_DST_BLACKLIST, HAVE_RESOLV_RES<br>
GIT:: 8d8e1b</p>

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