Loaded symbols for /lib64/libnss_files-2.12.so
Reading symbols from /usr/lib64/gconv/ISO8859-1.so...Reading symbols from /usr/lib/debug/usr/lib64/gconv/ISO8859-1.so.debug...done.
done.
Loaded symbols for /usr/lib64/gconv/ISO8859-1.so
Reading symbols from /usr/lib64/gconv/CP1251.so...Reading symbols from /usr/lib/debug/usr/lib64/gconv/CP1251.so.debug...done.
done.
Loaded symbols for /usr/lib64/gconv/CP1251.so
Reading symbols from /lib64/libnss_dns-2.12.so...Reading symbols from /usr/lib/debug/lib64/libnss_dns-2.12.so.debug...done.
done.
Loaded symbols for /lib64/libnss_dns-2.12.so
Core was generated by `php-fpm: pool www            '.
Program terminated with signal 11, Segmentation fault.
#0  0x00000000005b745d in ?? ()
Missing separate debuginfos, use: debuginfo-install php-fpm-5.6.14-1.el6.remi.x86_64
(gdb) bt
#0  0x00000000005b745d in ?? ()
#1  0x00007fd283f60eea in ?? () from /usr/lib64/php/modules/pdo_dblib.so
#2  0x00007fd287d9ac12 in ?? () from /usr/lib64/libsybdb.so.5
#3  0x00007fd287da5199 in dbcmd () from /usr/lib64/libsybdb.so.5
#4  0x00007fd283f61154 in ?? () from /usr/lib64/php/modules/pdo_dblib.so
#5  0x00007fd28721dc41 in ?? () from /usr/lib64/php/modules/pdo.so
#6  0x000000000060ca4c in zend_objects_store_del_ref_by_handle_ex ()
#7  0x000000000060ca73 in zend_objects_store_del_ref ()
#8  0x00000000005d0240 in _zval_ptr_dtor ()
#9  0x00000000006069a7 in zend_object_std_dtor ()
#10 0x00000000006069d9 in zend_objects_free_object_storage ()
#11 0x000000000060ca4c in zend_objects_store_del_ref_by_handle_ex ()
#12 0x000000000060ca73 in zend_objects_store_del_ref ()
#13 0x00000000005d0240 in _zval_ptr_dtor ()
#14 0x00000000005ed03b in zend_hash_destroy ()
#15 0x00000000005dea23 in _zval_dtor_func ()
#16 0x00000000005d0240 in _zval_ptr_dtor ()
#17 0x00000000006069a7 in zend_object_std_dtor ()
#18 0x00000000006069d9 in zend_objects_free_object_storage ()
#19 0x000000000060c54c in zend_objects_store_free_object_storage ()
#20 0x00000000005d1083 in ?? ()
#21 0x00000000005dfe12 in zend_deactivate ()
#22 0x000000000057ddc2 in php_request_shutdown ()
#23 0x000000000068e579 in ?? ()
#24 0x00000032e281ed5d in __libc_start_main (main=0x68d8b0, argc=2, ubp_av=0x7fff742d0028, init=<value optimized out>, fini=<value optimized out>, rtld_fini=<value optimized out>, stack_end=0x7fff742d0018) at libc-start.c:226
#25 0x0000000000422dd9 in _start ()