I updated my web servers to OpenBSD 4.6 And since then I am getting random [Sun Nov 8 01:55:53 2009] [notice] child pid 32697 exit signal Segmentation fault (11)
The faults are not consistent, but they all come from the web site that used WordPress, (To the best of my knowledge WordPress was the same before and after the upgrade) An example of a traceback is (gdb) run -X -u Starting program: /usr/sbin/httpd -X -u Program received signal SIGSEGV, Segmentation fault. 0x0ea60523 in php_register_variable_ex () from /usr/local/lib/php/libphp5.so (gdb) bt #0 0x0ea60523 in php_register_variable_ex () from /usr/local/lib/php/libphp5.so #1 0x0e9692b4 in php_sapi_filter () from /usr/local/lib/php/libphp5.so #2 0x0ea37d7a in suhosin_input_filter_wrapper () from /usr/local/lib/php/libphp5.so #3 0x0ea5d60b in sapi_getenv () from /usr/local/lib/php/libphp5.so #4 0x0ea4111d in suhosin_generate_key () from /usr/local/lib/php/libphp5.so #5 0x0ea41200 in suhosin_hook_s_read () from /usr/local/lib/php/libphp5.so #6 0x0e9a82a8 in php_session_initialize () from /usr/local/lib/php/libphp5.so #7 0x0e9aa7cb in php_session_start () from /usr/local/lib/php/libphp5.so #8 0x0e9ac039 in zif_session_start () from /usr/local/lib/php/libphp5.so #9 0x0eaab46d in execute_internal () from /usr/local/lib/php/libphp5.so #10 0x0ea3efdf in suhosin_execute_internal () from /usr/local/lib/php/libphp5.so #11 0x0eaabe1c in zend_do_fcall_common_helper_SPEC () from /usr/local/lib/php/libphp5.so #12 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #13 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #14 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #15 0x0eab4aa7 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER () from /usr/local/lib/php/libphp5.so #16 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #17 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #18 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #19 0x0eaaf7f7 in ZEND_INCLUDE_OR_EVAL_SPEC_CONST_HANDLER () from /usr/local/lib/php/libphp5.so #20 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #21 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #22 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #23 0x0eab4aa7 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER () from /usr/local/lib/php/libphp5.so #24 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #25 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #26 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #27 0x0eab4aa7 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER () from /usr/local/lib/php/libphp5.so #28 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #29 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #30 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #31 0x0eab4aa7 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER () from /usr/local/lib/php/libphp5.so #32 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #33 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #34 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #35 0x0eab4aa7 in ZEND_INCLUDE_OR_EVAL_SPEC_TMP_HANDLER () from /usr/local/lib/php/libphp5.so #36 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #37 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #38 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #39 0x0eaaf7f7 in ZEND_INCLUDE_OR_EVAL_SPEC_CONST_HANDLER () from /usr/local/lib/php/libphp5.so #40 0x0eaab56d in execute () from /usr/local/lib/php/libphp5.so #41 0x0ea3d388 in suhosin_execute_ex () from /usr/local/lib/php/libphp5.so #42 0x0ea3d636 in suhosin_execute () from /usr/local/lib/php/libphp5.so #43 0x0ea9140c in zend_execute_scripts () from /usr/local/lib/php/libphp5.so #44 0x0ea564a6 in php_execute_script () from /usr/local/lib/php/libphp5.so #45 0x0eb05c6e in apache_php_module_main () from /usr/local/lib/php/libphp5.so #46 0x0eb06826 in send_php () from /usr/local/lib/php/libphp5.so #47 0x0eb06966 in send_parsed_php () from /usr/local/lib/php/libphp5.so #48 0x1c0369d6 in ap_invoke_handler () #49 0x1c047a6f in ap_some_auth_required () #50 0x1c047c1f in ap_process_request () #51 0x00000001 in ?? () #52 0x00000005 in ?? () #53 0x8b16c034 in ?? () #54 0x8b16c034 in ?? () #55 0x88c67044 in ?? () #56 0xcfbe75b8 in ?? () #57 0x1c0406ec in ap_child_terminate () Previous frame inner to this frame (corrupt stack?) Any hint of how to track this problem down, PS I did not have this problem, when I was using 4.5
