начал падать дочерний процесс, в логах
[pid 17507] AH00051: child pid 12110 exit signal Segmentation fault (11), possible coredump in /tmp/coredumpсмотрю файла coredump
gdb httpd core.12110
GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-114.el7
Copyright (C) 2013 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>...
Reading symbols from /usr/sbin/httpd...Reading symbols from /usr/lib/debug/usr/sbin/httpd.debug...done.
done.
[New LWP 12110]
warning: .dynamic section for "/lib64/libkrb5.so.3" is not at the expected address (wrong library or version mismatch?)
warning: .dynamic section for "/lib64/libk5crypto.so.3" is not at the expected address (wrong library or version mismatch?)
warning: .dynamic section for "/lib64/libkrb5support.so.0" is not at the expected address (wrong library or version mismatch?)
warning: Could not load shared library symbols for %0*Zx, 0x%0*Zx).
Do you need "set solib-search-path" or "set sysroot"?
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/usr/sbin/httpd -DFOREGROUND'.
Program terminated with signal 11, Segmentation fault.
#0 0x00007f2526da6073 in sljit_remove_free_block (free_block=0x7f2517a44a10, free_block=0x7f2517a44a10) at sljit/sljitExecAllocator.c:165
165 free_block->next->prev = free_block->prev;
Missing separate debuginfos, use: debuginfo-install glibc-2.17-260.el7_6.3.x86_64 krb5-libs-1.15.1-37.el7_6.x86_64 sssd-client-1.16.2-13.el7_6.5.x86_64 systemd-libs-219-62.el7_6.3.x86_64
(gdb) bt
#0 0x00007f2526da6073 in sljit_remove_free_block (free_block=0x7f2517a44a10, free_block=0x7f2517a44a10) at sljit/sljitExecAllocator.c:165
#1 sljit_free_exec (ptr=0x7f2517a44010) at sljit/sljitExecAllocator.c:273
#2 0x00007f2526dc3a5a in sljit_free_code (code=<optimized out>) at sljit/sljitLir.c:397
#3 _pcre_jit_free (executable_funcs=0x558b56187240) at pcre_jit_compile.c:8542
#4 0x00007f2526dc55dc in pcre_free_study (extra=0x558b56187580) at pcre_study.c:1581
#5 0x00007f25199c1333 in php_free_pcre_cache (data=<optimized out>) at /usr/src/debug/php-7.1.26/ext/pcre/php_pcre.c:125
#6 0x00007f2519b16bf6 in zend_hash_destroy (ht=0x7f2519f10d60 <pcre_globals>) at /usr/src/debug/php-7.1.26/Zend/zend_hash.c:1246
#7 0x00007f25199c12b9 in zm_globals_dtor_pcre (pcre_globals=<optimized out>) at /usr/src/debug/php-7.1.26/ext/pcre/php_pcre.c:145
#8 0x00007f2519b0bdbd in module_destructor (module=module@entry=0x558b55e4d090) at /usr/src/debug/php-7.1.26/Zend/zend_API.c:2512
#9 0x00007f2519b0450c in module_destructor_zval (zv=<optimized out>) at /usr/src/debug/php-7.1.26/Zend/zend.c:633
#10 0x00007f2519b176f1 in _zend_hash_del_el_ex (prev=<optimized out>, p=<optimized out>, idx=<optimized out>, ht=<optimized out>) at /usr/src/debug/php-7.1.26/Zend/zend_hash.c:997
#11 _zend_hash_del_el (p=0x558b55e32180, idx=4, ht=0x7f2519f15380 <module_registry>) at /usr/src/debug/php-7.1.26/Zend/zend_hash.c:1020
#12 zend_hash_graceful_reverse_destroy (ht=ht@entry=0x7f2519f15380 <module_registry>) at /usr/src/debug/php-7.1.26/Zend/zend_hash.c:1476
#13 0x00007f2519b0a1dc in zend_destroy_modules () at /usr/src/debug/php-7.1.26/Zend/zend_API.c:1978
#14 0x00007f2519b050f1 in zend_shutdown () at /usr/src/debug/php-7.1.26/Zend/zend.c:876
#15 0x00007f2519aa0bfb in php_module_shutdown () at /usr/src/debug/php-7.1.26/main/main.c:2445
#16 0x00007f2519aa0cb9 in php_module_shutdown_wrapper (sapi_globals=<optimized out>) at /usr/src/debug/php-7.1.26/main/main.c:2413
#17 0x00007f2519bac091 in php_apache_child_shutdown (tmp=<optimized out>) at /usr/src/debug/php-7.1.26/sapi/apache2handler/sapi_apache2.c:435
#18 0x00007f2525ef91ae in run_cleanups (cref=<optimized out>) at memory/unix/apr_pools.c:2352
#19 apr_pool_destroy (pool=0x558b56047738) at memory/unix/apr_pools.c:814
#20 0x00007f251d4641dc in clean_child_exit (code=code@entry=0) at prefork.c:221
#21 0x00007f251d464687 in child_main (child_num_arg=child_num_arg@entry=0) at prefork.c:728
#22 0x00007f251d4649f5 in make_child (s=0x558b55d56350, slot=0) at prefork.c:810
#23 0x00007f251d46568e in perform_idle_server_maintenance (p=<optimized out>) at prefork.c:912
#24 prefork_run (_pconf=<optimized out>, plog=<optimized out>, s=<optimized out>) at prefork.c:1100
#25 0x0000558b54105ffe in ap_run_mpm (pconf=pconf@entry=0x558b55d2d138, plog=0x558b55d5a358, s=0x558b55d56350) at mpm_common.c:96
#26 0x0000558b540fed76 in main (argc=2, argv=0x7fff171a34d8) at main.c:783
но из этого вывода не понятно кто виновник падения процесса, что надо установить/поправить/добавить, что бы понять кто виновник падений
