Hi list, As an update I have the latest core dump and did a back trace. Please see below. Thank you, Sandeil ===== *** thread apply all bt #20131 0x00002ac96feba29a in ?? () from /lib64/libpcre.so.0 #20132 0x00002ac96feba1d9 in ?? () from /lib64/libpcre.so.0 #20133 0x00002ac96feba29a in ?? () from /lib64/libpcre.so.0 #20134 0x00002ac96feb6c4b in ?? () from /lib64/libpcre.so.0 #20135 0x00002ac96febb6c1 in pcre_exec () from /lib64/libpcre.so.0 #20136 0x00002ac97a155806 in php_pcre_replace_impl () from /etc/httpd/modules/libphp5.so #20137 0x00002ac97a1569b2 in ?? () from /etc/httpd/modules/libphp5.so #20138 0x00002ac97a157075 in ?? () from /etc/httpd/modules/libphp5.so #20139 0x00002ac97f8d19a3 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20140 0x00002ac97f8d4188 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20141 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20142 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20143 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20144 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20145 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20146 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20147 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20148 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20149 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so ---Type <return> to continue, or q <return> to quit--- #20150 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20151 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20152 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20153 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20154 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20155 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20156 0x00002ac97a29e0af in ?? () from /etc/httpd/modules/libphp5.so #20157 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20158 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20159 0x00002ac97a277cb3 in zend_execute_scripts () from /etc/httpd/modules/libphp5.so #20160 0x00002ac97a23798a in php_execute_script () from /etc/httpd/modules/libphp5.so #20161 0x00002ac97a2fc805 in ?? () from /etc/httpd/modules/libphp5.so #20162 0x00002ac96f7e0a4a in ap_run_handler () #20163 0x00002ac96f7e3ed8 in ap_invoke_handler () #20164 0x00002ac96f7ee78a in ap_internal_redirect () #20165 0x00002ac978628bc0 in ap_make_dirstr_parent () from /etc/httpd/modules/mod_rewrite.so #20166 0x00002ac96f7e0a4a in ap_run_handler () #20167 0x00002ac96f7e3ed8 in ap_invoke_handler () #20168 0x00002ac96f7ee938 in ap_process_request () #20169 0x00002ac96f7ebb70 in ?? () #20170 0x00002ac96f7e7cd2 in ap_run_process_connection () #20171 0x00002ac96f7f2789 in ?? () #20172 0x00002ac96f7f2a1a in ?? () #20173 0x00002ac96f7f327d in ap_mpm_run () #20174 0x00002ac96f7cde48 in main () (gdb) (gdb) *** bt #20135 0x00002ac96febb6c1 in pcre_exec () from /lib64/libpcre.so.0 #20136 0x00002ac97a155806 in php_pcre_replace_impl () from /etc/httpd/modules/libphp5.so #20137 0x00002ac97a1569b2 in ?? () from /etc/httpd/modules/libphp5.so #20138 0x00002ac97a157075 in ?? () from /etc/httpd/modules/libphp5.so #20139 0x00002ac97f8d19a3 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20140 0x00002ac97f8d4188 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20141 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20142 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20143 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20144 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20145 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20146 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20147 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20148 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20149 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20150 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20151 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so ---Type <return> to continue, or q <return> to quit--- #20152 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20153 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20154 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20155 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20156 0x00002ac97a29e0af in ?? () from /etc/httpd/modules/libphp5.so #20157 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20158 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so #20159 0x00002ac97a277cb3 in zend_execute_scripts () from /etc/httpd/modules/libphp5.so #20160 0x00002ac97a23798a in php_execute_script () from /etc/httpd/modules/libphp5.so #20161 0x00002ac97a2fc805 in ?? () from /etc/httpd/modules/libphp5.so #20162 0x00002ac96f7e0a4a in ap_run_handler () #20163 0x00002ac96f7e3ed8 in ap_invoke_handler () #20164 0x00002ac96f7ee78a in ap_internal_redirect () #20165 0x00002ac978628bc0 in ap_make_dirstr_parent () from /etc/httpd/modules/mod_rewrite.so #20166 0x00002ac96f7e0a4a in ap_run_handler () #20167 0x00002ac96f7e3ed8 in ap_invoke_handler () #20168 0x00002ac96f7ee938 in ap_process_request () #20169 0x00002ac96f7ebb70 in ?? () #20170 0x00002ac96f7e7cd2 in ap_run_process_connection () #20171 0x00002ac96f7f2789 in ?? () #20172 0x00002ac96f7f2a1a in ?? () #20173 0x00002ac96f7f327d in ap_mpm_run () #20174 0x00002ac96f7cde48 in main () *** bt full ---Type <return> to continue, or q <return> to quit--- #20130 0x00002ac96feba1d9 in ?? () from /lib64/libpcre.so.0 No symbol table info available. #20131 0x00002ac96feba29a in ?? () from /lib64/libpcre.so.0 No symbol table info available. #20132 0x00002ac96feba1d9 in ?? () from /lib64/libpcre.so.0 No symbol table info available. #20133 0x00002ac96feba29a in ?? () from /lib64/libpcre.so.0 No symbol table info available. #20134 0x00002ac96feb6c4b in ?? () from /lib64/libpcre.so.0 No symbol table info available. #20135 0x00002ac96febb6c1 in pcre_exec () from /lib64/libpcre.so.0 No symbol table info available. #20136 0x00002ac97a155806 in php_pcre_replace_impl () from /etc/httpd/modules/libphp5.so No symbol table info available. #20137 0x00002ac97a1569b2 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #20138 0x00002ac97a157075 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #20139 0x00002ac97f8d19a3 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20140 0x00002ac97f8d4188 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20141 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20142 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20143 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20144 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20145 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20146 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20147 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20148 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20149 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20150 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20151 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. ---Type <return> to continue, or q <return> to quit--- #20152 0x00002ac97f8d434f in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20153 0x00002ac97f8d506c in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20154 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20155 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20156 0x00002ac97a29e0af in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #20157 0x00002ac97f8d3b74 in ?? () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20158 0x00002ac97f92f311 in zend_oe () from /usr/local/Zend/lib/Optimizer-3.3.3/php-5.2.x/ZendOptimizer.so No symbol table info available. #20159 0x00002ac97a277cb3 in zend_execute_scripts () from /etc/httpd/modules/libphp5.so No symbol table info available. #20160 0x00002ac97a23798a in php_execute_script () from /etc/httpd/modules/libphp5.so No symbol table info available. #20161 0x00002ac97a2fc805 in ?? () from /etc/httpd/modules/libphp5.so No symbol table info available. #20162 0x00002ac96f7e0a4a in ap_run_handler () No symbol table info available. #20163 0x00002ac96f7e3ed8 in ap_invoke_handler () No symbol table info available. #20164 0x00002ac96f7ee78a in ap_internal_redirect () No symbol table info available. #20165 0x00002ac978628bc0 in ap_make_dirstr_parent () from /etc/httpd/modules/mod_rewrite.so No symbol table info available. #20166 0x00002ac96f7e0a4a in ap_run_handler () No symbol table info available. #20167 0x00002ac96f7e3ed8 in ap_invoke_handler () No symbol table info available. #20168 0x00002ac96f7ee938 in ap_process_request () No symbol table info available. #20169 0x00002ac96f7ebb70 in ?? () No symbol table info available. #20170 0x00002ac96f7e7cd2 in ap_run_process_connection () No symbol table info available. #20171 0x00002ac96f7f2789 in ?? () No symbol table info available. #20172 0x00002ac96f7f2a1a in ?? () No symbol table info available. #20173 0x00002ac96f7f327d in ap_mpm_run () No symbol table info available. ---Type <return> to continue, or q <return> to quit--- #20174 0x00002ac96f7cde48 in main () No symbol table info available. *** bt all No symbol table is loaded. Use the "file" command. =====