Greetings, Has anyone seen an instance where freeswitch gets hung with the following stack trace? I have about 400 threads in this state and eventually FS (1.6.19) just stops responding. I am running FS against MySQL 5.6.38 on CentOS using ODBC. Guessing if this is known, it probably isn't fixed in 1.6.20... but I can hope. Any input on what a possible solution would be greatly appreciated. The MySQL server and FS are running on the same host connecting via localhost interface, so it's not a networking issue. Thread 445 (Thread 0x7fa2df6db700 (LWP 9395)): #0 0x00007fa3712da42d in __lll_lock_wait () from /usr/lib64/libpthread.so.0 #1 0x00007fa3712d5de6 in _L_lock_870 () from /usr/lib64/libpthread.so.0 #2 0x00007fa3712d5cdf in pthread_mutex_lock () from /usr/lib64/libpthread.so.0 #3 0x00007fa35742468a in sofia_glue_execute_sql_callback () from /usr/lib64/freeswitch/mod/mod_sofia.so #4 0x00007fa3573df231 in select_from_profile () from /usr/lib64/freeswitch/mod/mod_sofia.so #5 0x00007fa3573e3b17 in sofia_contact_function () from /usr/lib64/freeswitch/mod/mod_sofia.so #6 0x00007fa3730594cc in switch_api_execute () from /usr/lib64/libfreeswitch.so.1 #7 0x00007fa372fe69d6 in switch_channel_expand_variables_check () from /usr/lib64/libfreeswitch.so.1 #8 0x00007fa3552d45e4 in user_outgoing_channel () from /usr/lib64/freeswitch/mod/mod_dptools.so #9 0x00007fa37300b42a in switch_core_session_outgoing_channel () from /usr/lib64/libfreeswitch.so.1 #10 0x00007fa37308dc3b in switch_ivr_originate () from /usr/lib64/libfreeswitch.so.1 #11 0x00007fa3552db0b5 in audio_bridge_function () from /usr/lib64/freeswitch/mod/mod_dptools.so #12 0x00007fa37300ebcb in switch_core_session_exec () from /usr/lib64/libfreeswitch.so.1 #13 0x00007fa37300f179 in switch_core_session_execute_application_get_flags () from /usr/lib64/libfreeswitch.so.1 #14 0x00007fa373012a34 in switch_core_session_run () from /usr/lib64/libfreeswitch.so.1 #15 0x00007fa37300c33e in switch_core_session_thread () from /usr/lib64/libfreeswitch.so.1 #16 0x00007fa373007d83 in switch_core_session_thread_pool_worker () from /usr/lib64/libfreeswitch.so.1 #17 0x00007fa3732ce7c0 in dummy_worker () from /usr/lib64/libfreeswitch.so.1 #18 0x00007fa3712d3e25 in start_thread () from /usr/lib64/libpthread.so.0 #19 0x00007fa37092e34d in clone () from /usr/lib64/libc.so.6