1925:20160119:180637.734 === Backtrace: ===
  1925:20160119:180637.791 12: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations](print_fatal_info+0x280) [0x46d210]
  1925:20160119:180637.791 11: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations]() [0x46d92c]
  1925:20160119:180637.791 10: /lib64/libc.so.6() [0x306d4326a0]
  1925:20160119:180637.791 9: /lib64/libc.so.6(cfree+0x1c) [0x306d47b93c]
  1925:20160119:180637.791 8: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations]() [0x42fd42]
  1925:20160119:180637.791 7: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations]() [0x432c40]
  1925:20160119:180637.791 6: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations](escalator_thread+0x157) [0x4332f7]
  1925:20160119:180637.791 5: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations](zbx_thread_start+0x64) [0x46dec4]
  1925:20160119:180637.791 4: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations](MAIN_ZABBIX_ENTRY+0x40e) [0x41613e]
  1925:20160119:180637.791 3: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations](daemon_start+0x197) [0x46c277]
  1925:20160119:180637.791 2: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations](main+0x42e) [0x4168fe]
  1925:20160119:180637.791 1: /lib64/libc.so.6(__libc_start_main+0xfd) [0x306d41ed5d]
  1925:20160119:180637.791 0: /usr/local/zabbix//sbin/zabbix_server: escalator #1 [processed 0 escalations in 0.000000 sec, processing escalations]() [0x411019]