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  1. [root@sipserver8 freeswitch]# gdb /usr/bin/freeswitch core.31851
  2. GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7
  3. Copyright (C) 2013 Free Software Foundation, Inc.
  4. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
  5. This is free software: you are free to change and redistribute it.
  6. There is NO WARRANTY, to the extent permitted by law.  Type "show copying"
  7. and "show warranty" for details.
  8. This GDB was configured as "x86_64-redhat-linux-gnu".
  9. For bug reporting instructions, please see:
  10. <http://www.gnu.org/software/gdb/bugs/>...
  11. Reading symbols from /usr/bin/freeswitch...Reading symbols from /usr/lib/debug/usr/bin/freeswitch.debug...done.
  12. done.
  13. [New LWP 20110]
  14. [New LWP 20221]
  15. [New LWP 31851]
  16. [New LWP 31852]
  17. [New LWP 31857]
  18. [New LWP 31858]
  19. [New LWP 31860]
  20. [New LWP 31862]
  21. [New LWP 31863]
  22. [New LWP 31865]
  23. [New LWP 31866]
  24. [New LWP 31867]
  25. [New LWP 31868]
  26. [New LWP 31869]
  27. [New LWP 31874]
  28. [New LWP 31876]
  29. [New LWP 31877]
  30. [New LWP 31875]
  31. [New LWP 20111]
  32. [New LWP 31856]
  33. [New LWP 20105]
  34. [New LWP 20108]
  35. [New LWP 20106]
  36. [New LWP 20220]
  37. [New LWP 20006]
  38. [New LWP 20176]
  39. [New LWP 20096]
  40. [New LWP 20179]
  41. [New LWP 20104]
  42. [New LWP 20174]
  43. [New LWP 20090]
  44. [New LWP 20178]
  45. [New LWP 20172]
  46. [New LWP 20107]
  47. [New LWP 20175]
  48. [New LWP 20158]
  49. [New LWP 20219]
  50. [New LWP 20112]
  51. [New LWP 20173]
  52. [New LWP 20177]
  53. [New LWP 31861]
  54. [New LWP 31855]
  55. [New LWP 31864]
  56. [New LWP 20109]
  57. [New LWP 20223]
  58. [New LWP 20226]
  59. [New LWP 20222]
  60. [New LWP 20225]
  61. [New LWP 20224]
  62. [New LWP 31853]
  63. [Thread debugging using libthread_db enabled]
  64. Using host libthread_db library "/lib64/libthread_db.so.1".
  65.  
  66. warning: the debug information found in "/usr/lib/debug//usr/lib64/libstdc++.so.6.0.19.debug" does not match "/usr/lib64/libstdc++.so.6" (CRC mismatch).
  67.  
  68.  
  69. warning: the debug information found in "/usr/lib/debug/usr/lib64/libstdc++.so.6.0.19.debug" does not match "/usr/lib64/libstdc++.so.6" (CRC mismatch).
  70.  
  71. Core was generated by `/usr/bin/freeswitch -nc -nf -nonat'.
  72. Program terminated with signal 11, Segmentation fault.
  73. #0  Perl_sv_setpvn (my_perl=my_perl@entry=0x1504a000, sv=sv@entry=0x0, ptr=ptr@entry=0x2b567fbcf683 "", len=len@entry=0) at sv.c:4484
  74. 4484        SV_CHECK_THINKFIRST_COW_DROP(sv);
  75. Missing separate debuginfos, use: debuginfo-install freetds-0.95.81-1.el7.x86_64 libstdc++-4.8.5-4.el7.x86_64 perl-DBD-ODBC-1.50-3.el7.x86_64
  76. (gdb) bt
  77. #0  Perl_sv_setpvn (my_perl=my_perl@entry=0x1504a000, sv=sv@entry=0x0, ptr=ptr@entry=0x2b567fbcf683 "", len=len@entry=0) at sv.c:4484
  78. #1  0x00002b567fb47c0b in Perl_sv_vsetpvfn (my_perl=my_perl@entry=0x1504a000, sv=sv@entry=0x0, pat=pat@entry=0x2b567f871b96 "%s %s", patlen=5,
  79.     args=args@entry=0x2b568ad07620, svargs=svargs@entry=0x0, svmax=svmax@entry=0, maybe_tainted=maybe_tainted@entry=0x0) at sv.c:9966
  80. #2  0x00002b567fb5b465 in Perl_sv_vsetpvf (my_perl=0x1504a000, sv=sv@entry=0x0, pat=pat@entry=0x2b567f871b96 "%s %s",
  81.     args=args@entry=0x2b568ad07620) at sv.c:9785
  82. #3  0x00002b567fb5b523 in Perl_sv_setpvf_nocontext (sv=0x0, pat=0x2b567f871b96 "%s %s") at sv.c:9725
  83. #4  0x00002b567f86c419 in _wrap_API_execute (my_perl=<optimized out>, cv=<optimized out>) at mod_perl_wrap.cpp:2734
  84. #5  0x00002b567fb4139f in Perl_pp_entersub (my_perl=0x3d69400) at pp_hot.c:2778
  85. #6  0x00002b567fb39b16 in Perl_runops_standard (my_perl=0x3d69400) at run.c:41
  86. #7  0x00002b567fad17ae in Perl_eval_sv (my_perl=my_perl@entry=0x3d69400, sv=sv@entry=0x9166618, flags=flags@entry=2) at perl.c:2812
  87. #8  0x00002b567fad1ac4 in Perl_eval_pv (my_perl=my_perl@entry=0x3d69400, p=p@entry=0xf075720 "require '/usr/sbin/j2voice/CallTransfer.pl';",
  88.     croak_on_error=croak_on_error@entry=0) at perl.c:2874
  89. #9  0x00002b567f84f283 in Perl_safe_eval (my_perl=my_perl@entry=0x3d69400,
  90.     string=string@entry=0xf075720 "require '/usr/sbin/j2voice/CallTransfer.pl';") at mod_perl.c:69
  91. #10 0x00002b567f84fc53 in perl_parse_and_execute (my_perl=0x3d69400,
  92.     input_code=input_code@entry=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl",
  93.     setup_code=setup_code@entry=0x2b568ad07eb0 "use lib '/usr/perl';\nuse freeswitch;\n$SWITCH_ENV{UUID} = \"728aa580-251a-11e7-972f-c3e271bacd1e\";\n$session = new freeswitch::Session(\"728aa580-251a-11e7-972f-c3e271bacd1e\")") at mod_perl.c:138
  94. #11 0x00002b567f850077 in perl_function (session=<optimized out>, data=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl") at mod_perl.c:219
  95. #12 0x00002b56752761bb in switch_core_session_exec (session=session@entry=0x43b8028,
  96.     application_interface=application_interface@entry=0x39a8248, arg=arg@entry=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl")
  97.     at src/switch_core_session.c:2801
  98. #13 0x00002b567527670b in switch_core_session_execute_application_get_flags (session=session@entry=0x43b8028, app=app@entry=0xe093658 "perl",
  99.     arg=arg@entry=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl", flags=flags@entry=0x0) at src/switch_core_session.c:2671
  100. #14 0x00002b56753167b3 in switch_ivr_parse_event (session=session@entry=0x43b8028, event=<optimized out>) at src/switch_ivr.c:634
  101. #15 0x00002b5675316e1b in switch_ivr_parse_next_event (session=session@entry=0x43b8028) at src/switch_ivr.c:761
  102. #16 0x00002b56752ea68d in audio_bridge_thread (obj=obj@entry=0x75e0a58, thread=0x0) at src/switch_ivr_bridge.c:467
  103. #17 0x00002b56752eb4e2 in audio_bridge_on_exchange_media (session=0x43b8028) at src/switch_ivr_bridge.c:856
  104. #18 0x00002b567527994c in switch_core_session_run (session=<optimized out>) at src/switch_core_state_machine.c:653
  105. #19 0x00002b567527393e in switch_core_session_thread (thread=<optimized out>, obj=0x43b8028) at src/switch_core_session.c:1647
  106. #20 0x00002b567526f3b3 in switch_core_session_thread_pool_worker (thread=0x120e6280, obj=<optimized out>) at src/switch_core_session.c:1710
  107. #21 0x00002b5675534790 in dummy_worker (opaque=0x120e6280) at threadproc/unix/thread.c:151
  108. #22 0x00002b56772b0dc5 in start_thread (arg=0x2b568ad0b700) at pthread_create.c:308
  109. #23 0x00002b5677c0fced in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
  110. (gdb) bt full
  111. #0  Perl_sv_setpvn (my_perl=my_perl@entry=0x1504a000, sv=sv@entry=0x0, ptr=ptr@entry=0x2b567fbcf683 "", len=len@entry=0) at sv.c:4484
  112.         dptr = <optimized out>
  113. #1  0x00002b567fb47c0b in Perl_sv_vsetpvfn (my_perl=my_perl@entry=0x1504a000, sv=sv@entry=0x0, pat=pat@entry=0x2b567f871b96 "%s %s", patlen=5,
  114.     args=args@entry=0x2b568ad07620, svargs=svargs@entry=0x0, svmax=svmax@entry=0, maybe_tainted=maybe_tainted@entry=0x0) at sv.c:9966
  115. No locals.
  116. #2  0x00002b567fb5b465 in Perl_sv_vsetpvf (my_perl=0x1504a000, sv=sv@entry=0x0, pat=pat@entry=0x2b567f871b96 "%s %s",
  117.     args=args@entry=0x2b568ad07620) at sv.c:9785
  118. No locals.
  119. #3  0x00002b567fb5b523 in Perl_sv_setpvf_nocontext (sv=0x0, pat=0x2b567f871b96 "%s %s") at sv.c:9725
  120.         my_perl = <optimized out>
  121.         args = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x2b568ad07710, reg_save_area = 0x2b568ad07640}}
  122. #4  0x00002b567f86c419 in _wrap_API_execute (my_perl=<optimized out>, cv=<optimized out>) at mod_perl_wrap.cpp:2734
  123.         arg2 = 0x0
  124.         buf3 = 0x0
  125.         argvi = 0
  126.         arg3 = 0x0
  127.         res1 = 0
  128.         alloc2 = 0
  129.         result = 0x0
  130.         sp = <optimized out>
  131.         mark = <optimized out>
  132.         argp1 = 0x0
  133.         res2 = <optimized out>
  134.         alloc3 = 0
  135.         arg1 = 0x0
  136.         buf2 = 0x0
  137.         res3 = <optimized out>
  138.         ax = <optimized out>
  139.         items = -70307070
  140. #5  0x00002b567fb4139f in Perl_pp_entersub (my_perl=0x3d69400) at pp_hot.c:2778
  141.         markix = 1
  142.         sp = <optimized out>
  143.         sv = 0x12d449c0
  144.         gv = 0x973e1e0
  145.         cv = 0x12d449c0
  146.         cx = <optimized out>
  147.         gimme = 2
  148.         hasargs = <optimized out>
  149. #6  0x00002b567fb39b16 in Perl_runops_standard (my_perl=0x3d69400) at run.c:41
  150.         op = <optimized out>
  151. #7  0x00002b567fad17ae in Perl_eval_sv (my_perl=my_perl@entry=0x3d69400, sv=sv@entry=0x9166618, flags=flags@entry=2) at perl.c:2812
  152.         sp = <optimized out>
  153.         myop = {op_next = 0x0, op_sibling = 0x0, op_ppaddr = 0x0, op_targ = 0, op_type = 329, op_opt = 0, op_latefree = 0, op_latefreed = 0,
  154.           op_attached = 0, op_spare = 0, op_flags = 66 'B', op_private = 0 '\000', op_first = 0x0}
  155.         oldmark = 0
  156.         retval = 0
  157. ---Type <return> to continue, or q <return> to quit---
  158.         ret = <optimized out>
  159.         oldop = 0x0
  160.         cur_env = {je_prev = 0x3d69678, je_buf = {{__jmpbuf = {0, -3769879955247084810, 0, 47650506741118, 64394240, 1, -7132657635663164682,
  161.                 -7133034056603022602}, __mask_was_saved = 0, __saved_mask = {__val = {252139296, 47650506741227, 1, 47650509532581, 152462872,
  162.                   47650509749512, 152462872, 44, 64394240, 47650509758034, 0, 152462872, 64394240, 252139296, 47650506741118,
  163.                   47650509759955}}}}, je_ret = 0, je_mustcatch = false}
  164. #8  0x00002b567fad1ac4 in Perl_eval_pv (my_perl=my_perl@entry=0x3d69400, p=p@entry=0xf075720 "require '/usr/sbin/j2voice/CallTransfer.pl';",
  165.     croak_on_error=croak_on_error@entry=0) at perl.c:2874
  166.         sp = <optimized out>
  167.         sv = 0x9166618
  168. #9  0x00002b567f84f283 in Perl_safe_eval (my_perl=my_perl@entry=0x3d69400,
  169.     string=string@entry=0xf075720 "require '/usr/sbin/j2voice/CallTransfer.pl';") at mod_perl.c:69
  170.         err = 0x0
  171.         __func__ = "Perl_safe_eval"
  172. #10 0x00002b567f84fc53 in perl_parse_and_execute (my_perl=0x3d69400,
  173.     input_code=input_code@entry=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl",
  174.     setup_code=setup_code@entry=0x2b568ad07eb0 "use lib '/usr/perl';\nuse freeswitch;\n$SWITCH_ENV{UUID} = \"728aa580-251a-11e7-972f-c3e271bacd1e\";\n$session = new freeswitch::Session(\"728aa580-251a-11e7-972f-c3e271bacd1e\")") at mod_perl.c:138
  175.         file = 0xf075720 "require '/usr/sbin/j2voice/CallTransfer.pl';"
  176.         args = <optimized out>
  177.         error = <optimized out>
  178.         __func__ = "perl_parse_and_execute"
  179.         __PRETTY_FUNCTION__ = "perl_parse_and_execute"
  180. #11 0x00002b567f850077 in perl_function (session=<optimized out>, data=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl") at mod_perl.c:219
  181.         uuid = 0x43b8824 "728aa580-251a-11e7-972f-c3e271bacd1e"
  182.         my_perl = 0x3d69400
  183.         code = "use lib '/usr/perl';\nuse freeswitch;\n$SWITCH_ENV{UUID} = \"728aa580-251a-11e7-972f-c3e271bacd1e\";\n$session = new freeswitch::Session(\"728aa580-251a-11e7-972f-c3e271bacd1e\")", '\000' <repeats 852 times>
  184. #12 0x00002b56752761bb in switch_core_session_exec (session=session@entry=0x43b8028,
  185.     application_interface=application_interface@entry=0x39a8248, arg=arg@entry=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl")
  186.     at src/switch_core_session.c:2801
  187.         log = <optimized out>
  188.         lp = <optimized out>
  189.         event = 0x0
  190.         var = <optimized out>
  191.         channel = 0xe95a110
  192.         expanded = 0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl"
  193.         app = 0x2b567f871635 "perl"
  194.         app_uuid_var = <optimized out>
  195.         msg = {from = 0x2b567554e419 "src/switch_core_session.c", message_id = SWITCH_MESSAGE_INDICATE_APPLICATION_EXEC, numeric_arg = 0,
  196.           string_arg = 0x0, string_arg_size = 0, pointer_arg = 0x0, pointer_arg_size = 0, numeric_reply = 0, string_reply = 0x0,
  197.           string_reply_size = 0, pointer_reply = 0x0, pointer_reply_size = 0, flags = 0, _file = 0x0, _func = 0x0, _line = 0,
  198.           string_array_arg = {0x2b567f871635 "perl", 0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0},
  199.           delivery_time = 0}
  200.         delim = <optimized out>
  201.         scope = 0
  202. ---Type <return> to continue, or q <return> to quit---
  203.         uuid_str = "7a907034-251a-11e7-97c9-c3e271bacd1e\000+\000\000&y$uV+\000\000\000\000\000\000\000\000\000\000(\200;\004\000\000\000\000(\240p\024\000\000\000\000\230J*uV+\000\000\020\241\225\016\000\000\000\000\071\306$uV+\000\000\000\000\000\000\000\000\000\000\020\241\225\016\000\000\000\000\020\241\225\016\000\000\000\000\020\241\225\016", '\000' <repeats 12 times>, "EDUuV+\000\000\000\000\000\000\000\000\000\000\230\320$uV+\000\000\000\000\000\000\000\000\000\000hA\374\006\000\000\000\000 \000\000\000\060\000\000\000\260\205МV+\000\000\340\204МV+\000\000\351W"...
  204.         app_uuid = 0x2b568ad08410 "7a907034-251a-11e7-97c9-c3e271bacd1e"
  205.         __PRETTY_FUNCTION__ = "switch_core_session_exec"
  206.         __func__ = "switch_core_session_exec"
  207. #13 0x00002b567527670b in switch_core_session_execute_application_get_flags (session=session@entry=0x43b8028, app=app@entry=0xe093658 "perl",
  208.     arg=arg@entry=0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl", flags=flags@entry=0x0) at src/switch_core_session.c:2671
  209.         application_interface = 0x39a8248
  210.         status = SWITCH_STATUS_SUCCESS
  211.         __func__ = "switch_core_session_execute_application_get_flags"
  212. #14 0x00002b56753167b3 in switch_ivr_parse_event (session=session@entry=0x43b8028, event=<optimized out>) at src/switch_ivr.c:634
  213.         b4 = 1492618131333881
  214.         aftr = <optimized out>
  215.         x = 0
  216.         b_uuid = 0x0
  217.         b_session = <optimized out>
  218.         event_uuid = 0x0
  219.         content_type = <optimized out>
  220.         loops = 1
  221.         app_name = 0xe093658 "perl"
  222.         app_arg = 0x1480c870 "/usr/sbin/j2voice/CallTransfer.pl"
  223.         loop_h = <optimized out>
  224.         hold_bleg = <optimized out>
  225.         inner = 0
  226.         channel = 0xe95a110
  227.         cmd = <optimized out>
  228.         cmd_hash = <optimized out>
  229.         hlen = 7
  230.         CMD_EXECUTE = <optimized out>
  231.         CMD_HANGUP = <optimized out>
  232.         CMD_NOMEDIA = 509624637
  233.         CMD_UNICAST = <optimized out>
  234.         CMD_XFEREXT = <optimized out>
  235.         lead_frames = <optimized out>
  236.         event_lock = <optimized out>
  237.         event_lock_pri = <optimized out>
  238.         status = <optimized out>
  239.         el = 1
  240.         elp = 0
  241.         __func__ = "switch_ivr_parse_event"
  242. #15 0x00002b5675316e1b in switch_ivr_parse_next_event (session=session@entry=0x43b8028) at src/switch_ivr.c:761
  243.         event = 0xa65a180
  244.         status = SWITCH_STATUS_FALSE
  245. ---Type <return> to continue, or q <return> to quit---
  246.         __func__ = "switch_ivr_parse_next_event"
  247. #16 0x00002b56752ea68d in audio_bridge_thread (obj=obj@entry=0x75e0a58, thread=0x0) at src/switch_ivr_bridge.c:467
  248.         b_state = <optimized out>
  249.         status = <optimized out>
  250.         event = 0x0
  251.         data = 0x75e0a58
  252.         stream_id = 0
  253.         pre_b = 0
  254.         ans_a = 1
  255.         ans_b = 1
  256.         originator = 0
  257.         input_callback = 0x0
  258.         msg = {from = 0x2b5675562378 "src/switch_ivr_bridge.c", message_id = SWITCH_MESSAGE_INDICATE_UNBRIDGE, numeric_arg = 42,
  259.           string_arg = 0x75e0a60 "70157e60-251a-11e7-9559-c3e271bacd1e", string_arg_size = 0, pointer_arg = 0x0, pointer_arg_size = 0,
  260.           numeric_reply = 0, string_reply = 0x0, string_reply_size = 0, pointer_reply = 0x0, pointer_reply_size = 0, flags = 0, _file = 0x0,
  261.           _func = 0x0, _line = 0, string_array_arg = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}, delivery_time = 0}
  262.         user_data = 0x0
  263.         chan_a = 0xe95a110
  264.         chan_b = 0xf298110
  265.         read_frame = 0x1470a680
  266.         session_a = 0x43b8028
  267.         session_b = 0xcdaa028
  268.         read_frame_count = 300
  269.         app_name = 0x0
  270.         app_arg = 0x0
  271.         inner_bridge = 0
  272.         exec_check = 1
  273.         silence_codec = {codec_interface = 0x0, implementation = 0x0, fmtp_in = 0x0, fmtp_out = 0x0, flags = 0, memory_pool = 0x0,
  274.           private_info = 0x0, agreed_pt = 0 '\000', mutex = 0x0, next = 0x0, session = 0x0, cur_frame = 0x0}
  275.         silence_frame = {codec = 0x0, source = 0x0, packet = 0x0, packetlen = 0, extra_data = 0x0, data = 0x0, datalen = 0, buflen = 0,
  276.           samples = 0, rate = 0, channels = 0, payload = 0 '\000', timestamp = 0, seq = 0, ssrc = 0, m = SWITCH_FALSE, flags = 0,
  277.           user_data = 0x0, pmap = 0x0, img = 0x0}
  278.         silence_data = {0 <repeats 4096 times>}
  279.         silence_var = <optimized out>
  280.         silence_val = 0
  281.         bypass_media_after_bridge = 0
  282.         bridge_answer_timeout = <optimized out>
  283.         sent_update = 0
  284.         answer_limit = 0
  285.         exec_app = 0x0
  286.         exec_data = 0x0
  287.         read_impl = {codec_type = SWITCH_CODEC_TYPE_AUDIO, ianacode = 0 '\000', iananame = 0x32f57d8 "PCMU", fmtp = 0x0,
  288.           samples_per_second = 8000, actual_samples_per_second = 8000, bits_per_second = 64000, microseconds_per_packet = 20000,
  289.           samples_per_packet = 160, decoded_bytes_per_packet = 320, encoded_bytes_per_packet = 160, number_of_channels = 1 '\001',
  290.           codec_frames_per_packet = 160, init = 0x2b56753367e0 <switch_g711u_init>, encode = 0x2b56753367f0 <switch_g711u_encode>,
  291.           decode = 0x2b5675336a50 <switch_g711u_decode>, encode_video = 0x0, decode_video = 0x0, codec_control = 0x0,
  292. ---Type <return> to continue, or q <return> to quit---
  293.           destroy = 0x2b5675336880 <switch_g711u_destroy>, codec_id = 123, impl_id = 138, modname = 0x32f4ed0 "CORE_PCM_MODULE",
  294.           next = 0x32f56b0}
  295.         banner_file = 0x0
  296.         played_banner = 0
  297.         banner_counter = 0
  298.         pass_val = 2
  299.         last_pass_val = 2
  300.         vh = {session_a = 0x0, session_b = 0x0, up = 0}
  301.         vid_launch = 0
  302. #17 0x00002b56752eb4e2 in audio_bridge_on_exchange_media (session=0x43b8028) at src/switch_ivr_bridge.c:856
  303.         channel = 0xe95a110
  304.         bd = 0x75e0a58
  305.         state = <optimized out>
  306.         var = <optimized out>
  307.         __func__ = "audio_bridge_on_exchange_media"
  308. #18 0x00002b567527994c in switch_core_session_run (session=<optimized out>) at src/switch_core_state_machine.c:653
  309.         state = <optimized out>
  310.         midstate = <optimized out>
  311.         endstate = <optimized out>
  312.         endpoint_interface = <optimized out>
  313.         driver_state_handler = <optimized out>
  314.         application_state_handler = <optimized out>
  315.         new_loops = <optimized out>
  316.         __PRETTY_FUNCTION__ = "switch_core_session_run"
  317.         __func__ = "switch_core_session_run"
  318. #19 0x00002b567527393e in switch_core_session_thread (thread=<optimized out>, obj=0x43b8028) at src/switch_core_session.c:1647
  319.         session = 0x43b8028
  320.         event = 0x2b56755256d9 <apr_queue_pop_timeout+121>
  321.         event_str = 0x0
  322.         val = <optimized out>
  323.         __func__ = "switch_core_session_thread"
  324.         __PRETTY_FUNCTION__ = "switch_core_session_thread"
  325. #20 0x00002b567526f3b3 in switch_core_session_thread_pool_worker (thread=0x120e6280, obj=<optimized out>) at src/switch_core_session.c:1710
  326.         td = 0xad8c8a0
  327.         pop = 0xad8c8a0
  328.         check_status = <optimized out>
  329.         node = <optimized out>
  330.         pool = 0x120e6028
  331.         __func__ = "switch_core_session_thread_pool_worker"
  332. #21 0x00002b5675534790 in dummy_worker (opaque=0x120e6280) at threadproc/unix/thread.c:151
  333.         thread = 0x120e6280
  334. #22 0x00002b56772b0dc5 in start_thread (arg=0x2b568ad0b700) at pthread_create.c:308
  335.         __res = <optimized out>
  336.         pd = 0x2b568ad0b700
  337.         now = <optimized out>
  338.         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {47650696115968, -3769899867723150602, 0, 47650696116672, 47650696115968, 38,
  339. ---Type <return> to continue, or q <return> to quit---
  340.                 -7132657642768315658, -7133052697077626122}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0,
  341.               cleanup = 0x0, canceltype = 0}}}
  342.         not_first_call = <optimized out>
  343.         pagesize_m1 = <optimized out>
  344.         sp = <optimized out>
  345.         freesize = <optimized out>
  346. #23 0x00002b5677c0fced in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
  347. No locals.
  348. (gdb)
  349.