трассировка стека ошибок сегментации apache

Попытка понять трассировку стека и любая помощь приветствуется.

b # 0 0x00007fe60d50658a в gc_remove_from_buffer (root = 0x7fe5fdf7b030) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_gc.h:190
190 /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_gc.h: такого файла или каталога нет.
(GDB) Bt
# 0 0x00007fe60d50658a в gc_remove_from_buffer (root = 0x7fe5fdf7b030) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_gc.h:190
# 1 gc_remove_zval_from_buffer (zv = zv @ entry = 0x7fe5fdf7b078) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_gc.c:260
# 2 0x00007fe60d4d5018 в i_zval_ptr_dtor (zval_ptr = 0x7fe5fdf7b078) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_execute.h:78
# 3 _zval_ptr_dtor (zval_ptr =) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_execute_API.c:424
# 4 0x00007fe60d4f43b8 в zend_hash_destroy (ht = 0x7fe617242ac8) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_hash.c:548
# 5 0x00007fe60d4e4d6b в _zval_dtor_func (zvalue = 0x7fe5fdf7b078) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_variables.c:45
# 6 0x00007fe60d594610 в _zval_dtor (zvalue =) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_variables.h:35
# 7 i_zval_ptr_dtor (zval_ptr =) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_execute.h:79
# 8 zend_vm_stack_clear_multiple (nested =) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_execute.h:308
# 9 zend_do_fcall_common_helper_SPEC (execute_data = 0x7fe616a96478) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:650
# 10 0x00007fe60d523020 в execute_ex (execute_data = 0x7fe616a96478) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:363
# 11 0x00007fe60d4d4cf8 в dtrace_execute_ex (execute_data = 0x7fe616a96478) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_dtrace.c:73
# 12 0x00007fe6025ac18d в nr_php_execute_enabled () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1056
# 13 0x00007fe6025ac982 в nr_php_execute () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1167
# 14 0x00007fe60d594b1e в zend_do_fcall_common_helper_SPEC (execute_data = 0x7fe616a962e0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:592
# 15 0x00007fe60d523020 в execute_ex (execute_data = 0x7fe616a962e0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:363
# 16 0x00007fe60d4d4cf8 в dtrace_execute_ex (execute_data = 0x7fe616a962e0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_dtrace.c:73
# 17 0x00007fe6025ac18d в nr_php_execute_enabled () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1056
# 18 0x00007fe6025ac982 в nr_php_execute () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1167
# 19 0x00007fe60d594b1e в zend_do_fcall_common_helper_SPEC (execute_data = 0x7fe616a96118) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:592
# 20 0x00007fe60d523020 в execute_ex (execute_data = 0x7fe616a96118) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:363
# 21 0x00007fe60d4d4cf8 в dtrace_execute_ex (execute_data = 0x7fe616a96118) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_dtrace.c:73
# 22 0x00007fe6025ac18d в nr_php_execute_enabled () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1056
# 23 0x00007fe6025ac982 в nr_php_execute () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1167
# 24 0x00007fe60d594b1e в zend_do_fcall_common_helper_SPEC (execute_data = 0x7fe616a95fd0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:592
# 25 0x00007fe60d523020 в execute_ex (execute_data = 0x7fe616a95fd0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:363
# 26 0x00007fe60d4d4cf8 в dtrace_execute_ex (execute_data = 0x7fe616a95fd0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_dtrace.c:73
# 27 0x00007fe6025ac18d в nr_php_execute_enabled () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1056
# 28 0x00007fe6025ac982 в nr_php_execute () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1167
# 29 0x00007fe60d594b1e в zend_do_fcall_common_helper_SPEC (execute_data = 0x7fe616a95ee8) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:592
# 30 0x00007fe60d523020 в execute_ex (execute_data = 0x7fe616a95ee8) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:363
# 31 0x00007fe60d4d4cf8 в dtrace_execute_ex (execute_data = 0x7fe616a95ee8) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_dtrace.c:73
# 32 0x00007fe6025ac18d в nr_php_execute_enabled () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1056
# 33 0x00007fe6025ac982 в nr_php_execute () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1167
# 34 0x00007fe60d594b1e в zend_do_fcall_common_helper_SPEC (execute_data = 0x7fe616a95d30) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:592
# 35 0x00007fe60d523020 в execute_ex (execute_data = 0x7fe616a95d30) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:363
# 36 0x00007fe60d4d4cf8 в dtrace_execute_ex (execute_data = 0x7fe616a95d30) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_dtrace.c:73
# 37 0x00007fe6025ac18d в nr_php_execute_enabled () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1056
# 38 0x00007fe6025ac982 в nr_php_execute () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1167
# 39 0x00007fe60d594b1e в zend_do_fcall_common_helper_SPEC (execute_data = 0x7fe616a95bd0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:592
# 40 0x00007fe60d523020 в execute_ex (execute_data = 0x7fe616a95bd0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_vm_execute.h:363
# 41 0x00007fe60d4d4cf8 в dtrace_execute_ex (execute_data = 0x7fe616a95bd0) в /tmp/buildd/php5-5.6.9+dfsg/Zend/zend_dtrace.c:73
# 42 0x00007fe6025ac402 в nr_php_execute_file () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:889
# 43 nr_php_execute_enabled () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:921
# 44 0x00007fe6025ac982 в nr_php_execute () в /home/hudson/slave-workspace/workspace/PHP_Release_Agent/label/centos5-64-nrcamp/agent/php_execute.c:1167
# 45 0x00007fe60d4e77f0 в zend_execute_scripts (тип = -34099080, тип @ entry = 8, retval = 0x7fe600000000, retval @ entry = 0x0, file_count = 231379392, file_count @ entry = 3)
по адресу /tmp/buildd/php5-5.6.9+dfsg/Zend/zend.c:1341
# 46 0x00007fe60d483560 в php_execute_script (primary_file = primary_file @ entry = 0x7ffc9cbfda60) в /tmp/buildd/php5-5.6.9+dfsg/main/main.c:2597
# 47 0x00007fe60d5961ca в php_handler (r =) по адресу /tmp/buildd/php5-5.6.9+dfsg/sapi/apache2handler/sapi_apache2.c:667
# 48 0x00007fe614fab290 в ap_run_handler (r = r @ entry = 0x7fe6150900a0) в config.c: 169
# 49 0x00007fe614fab7d9 в ap_invoke_handler (r = 0x7fe6150900a0) в config.c: 433
# 50 0x00007fe614fc1672 в ap_process_async_request (r = 0x7fe6150900a0) в http_request.c: 317
# 51 0x00007fe614fc1810 в ap_process_request (r = 0x7fe6150900a0) по адресу http_request.c: 363
# 52 0x00007fe614fbe112 в ap_process_http_sync_connection (c = 0x7fe6150a1290) на http_core.c: 190
# 53 ap_process_http_connection (c = 0x7fe6150a1290) по адресу http_core.c: 231
# 54 0x00007fe614fb4b00 в ap_run_process_connection (c = 0x7fe6150a1290) при подключении.c: 41
# 55 0x00007fe60deb87ba в child_main (child_num_arg = -34099080) в prefork.c: 704
# 56 0x00007fe60deb8a01 в make_child (s = 0x7fe6151a8de0, slot = 65) в prefork.c: 800
# 57 0x00007fe60deb9667 в execute_idle_server_maintenance (p =) в prefork.c: 902
# 58 prefork_run (_pconf = 0x7fe6151f1f38, plog = 0x7ffc9cbfdecc, s = 0x7ffc9cbfded0) в prefork.c: 1090
# 59 0x00007fe614f90e7e в ap_run_mpm (pconf = 0x7fe6151e0028, plog = 0x7fe6151ae028, s = 0x7fe6151a8de0) в mpm_common.c: 94
# 60 0x00007fe614f8a3c3 в main (argc = 3, argv = 0x7ffc9cbfe1b8) в main.c: 777