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[2007-02-13 17:33 UTC] tony2001@php.net
[2007-02-13 18:07 UTC] stojmir at on dot net dot mk
[2007-02-13 18:18 UTC] bjori@php.net
[2007-02-13 18:20 UTC] tony2001@php.net
[2007-02-15 15:59 UTC] stojmir at on dot net dot mk
[2007-02-15 16:07 UTC] tony2001@php.net
[2007-02-16 15:36 UTC] stojmir at on dot net dot mk
[2007-02-21 09:10 UTC] stojmir at on dot net dot mk
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Last updated: Sat Apr 20 16:01:29 2024 UTC |
Description: ------------ My apache crashes on random intervals (usually 10 hours): zend_mm_heap corrupted zend_mm_heap corrupted zend_mm_heap corrupted [Tue Feb 13 17:28:01 2007] [notice] child pid 14881 exit signal Segmentation fault (11), possible coredump in /var/apache-dump Im guessing its related with the zend memory menager, but who nows, im not really into it so i cant be sure. PHP version 5.2.1, Apache 2.0.55, RedHat Enterprise Linux with 2.6.9-42.0.8.ELsmp on a x86_64 machine with dual core Xeon. The site is hosting a Drupal installation with about 3000 users at a time. Reproduce code: --------------- Im not sure what code produces the crash. Actual result: -------------- PHP is configured with: './configure' '--build=x86_64-redhat-linux' '--host=x86_64-redhat-linux' '--target=x86_64-redhat-linux-gnu' '--program-prefix=' '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib64' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--cache-file=../config.cache' '--with-libdir=lib64' '--with-config-file-path=/etc' '--with-config-file-scan-dir=/etc/php.d' '--with-imap-ssl' '--enable-ftp' '--with-gd' '--enable-gd-native-ttf' '--with-jpeg-dir=/usr' '--with-png-dir=/usr' '--with-freetype-dir=/usr' '--with-gmp' '--with-mysql=shared,/usr/lib64' '--with-xml' '--enable-trans-sid' '--enable-shmop' '--enable-sockets' '--with-regex=php' '--enable-sysvsem' '--enable-sysvshm' '--enable-sysvmsg' '--enable-memory-limit' '--with-tsrm-pthreads' '--enable-shared' '--disable-debug' '--with-zlib' '--with-gettext' '--with-xsl' '--with-iconv' '--enable-inline-optimization' '--disable-static' '--with-curl' '--enable-exif' '--enable-magic-quotes' '--with-inifile' '--with-flatfile' '--enable-dio' '--with-mbstring' '--with-mime-magic=/etc/httpd/mime.magic' '--enable-soap' '--enable-wddx' '--with-pear' '--enable-pic' '--disable-rpath' '--enable-track-vars' '--enable-mcal' '--enable-mbstring' '--enable-mbstr-enc-trans' '--enable-mbregex' '--enable-memory-limit' '--enable-zend-multibyte' '--with-mysqli=shared' '--enable-force-cgi-redirect' '--enable-fastcgi' '--enable-pcntl' '--enable-sigchild' '--with-apxs2=/usr/sbin/apxs' '--with-bz2' '--with-sqllite=shared' '--enable-sqlite-utf8' Here is a gdb backtrace of the thrown core dump from apache: GNU gdb Red Hat Linux (6.3.0.0-1.132.EL4rh) Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "x86_64-redhat-linux-gnu"...(no debugging symbols found) Using host libthread_db library "/lib64/tls/libthread_db.so.1". Core was generated by `/usr/sbin/httpd'. Program terminated with signal 11, Segmentation fault. (no debugging symbols found) Loaded symbols for /usr/sbin/httpd Reading symbols from /lib64/libpcre.so.0...(no debugging symbols found)...done. Loaded symbols for /lib64/libpcre.so.0 Reading symbols from /usr/lib64/libpcreposix.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libpcreposix.so.0 Reading symbols from /usr/lib64/libaprutil-0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libaprutil-0.so.0 Reading symbols from /usr/lib64/libldap-2.2.so.7... (no debugging symbols found)...done. Loaded symbols for /usr/lib64/libldap-2.2.so.7 Reading symbols from /usr/lib64/liblber-2.2.so.7...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/liblber-2.2.so.7 Reading symbols from /lib64/tls/libdb-4.2.so...(no debugging symbols found)...done. Loaded symbols for /lib64/tls/libdb-4.2.so Reading symbols from /usr/lib64/libexpat.so.0... (no debugging symbols found)...done. Loaded symbols for /usr/lib64/libexpat.so.0 Reading symbols from /usr/lib64/libapr-0.so.0...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libapr-0.so.0 Reading symbols from /lib64/tls/librt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/tls/librt.so.1 Reading symbols from /lib64/tls/libm.so.6... (no debugging symbols found)...done. Loaded symbols for /lib64/tls/libm.so.6 Reading symbols from /lib64/libcrypt.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libcrypt.so.1 Reading symbols from /lib64/tls/libpthread.so.0...(no debugging symbols found)...done. Loaded symbols for /lib64/tls/libpthread.so.0 Reading symbols from /lib64/libdl.so.2... (no debugging symbols found)...done. Loaded symbols for /lib64/libdl.so.2 Reading symbols from /lib64/tls/libc.so.6...(no debugging symbols found)...done. Loaded symbols for /lib64/tls/libc.so.6 Reading symbols from /lib64/libresolv.so.2...(no debugging symbols found)...done. Loaded symbols for /lib64/libresolv.so.2 Reading symbols from /usr/lib64/libsasl2.so.2... (no debugging symbols found)...done. Loaded symbols for /usr/lib64/libsasl2.so.2 Reading symbols from /lib64/libssl.so.4...(no debugging symbols found)...done. Loaded symbols for /lib64/libssl.so.4 Reading symbols from /lib64/libcrypto.so.4...(no debugging symbols found)...done. Loaded symbols for /lib64/libcrypto.so.4 Reading symbols from /lib64/ld-linux-x86-64.so.2... (no debugging symbols found)...done. Loaded symbols for /lib64/ld-linux-x86-64.so.2 Reading symbols from /usr/lib64/libgssapi_krb5.so.2...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libgssapi_krb5.so.2 Reading symbols from /usr/lib64/libkrb5.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libkrb5.so.3 Reading symbols from /lib64/libcom_err.so.2... (no debugging symbols found)...done. Loaded symbols for /lib64/libcom_err.so.2 Reading symbols from /usr/lib64/libk5crypto.so.3...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libk5crypto.so.3 Reading symbols from /usr/lib64/libz.so.1...(no debugging symbols found)...done. Loaded symbols for /usr/lib64/libz.so.1 Reading symbols from /lib64/libnss_files.so.2... (no debugging symbols found)...done. Loaded symbols for /lib64/libnss_files.so.2 Reading symbols from /usr/lib64/httpd/modules/mod_access.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_access.so Reading symbols from /usr/lib64/httpd/modules/mod_auth.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_auth.so Reading symbols from /usr/lib64/httpd/modules/mod_auth_anon.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_auth_anon.so Reading symbols from /usr/lib64/httpd/modules/mod_auth_dbm.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_auth_dbm.so Reading symbols from /usr/lib64/httpd/modules/mod_auth_digest.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_auth_digest.so Reading symbols from /usr/lib64/httpd/modules/mod_ext_filter.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_ext_filter.so Reading symbols from /usr/lib64/httpd/modules/mod_include.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_include.so Reading symbols from /usr/lib64/httpd/modules/mod_deflate.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_deflate.so Reading symbols from /usr/lib64/httpd/modules/mod_log_config.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_log_config.so Reading symbols from /usr/lib64/httpd/modules/mod_log_forensic.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_log_forensic.so Reading symbols from /usr/lib64/httpd/modules/mod_env.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_env.so Reading symbols from /usr/lib64/httpd/modules/mod_mime_magic.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_mime_magic.so Reading symbols from /usr/lib64/httpd/modules/mod_cern_meta.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_cern_meta.so Reading symbols from /usr/lib64/httpd/modules/mod_expires.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_expires.so Reading symbols from /usr/lib64/httpd/modules/mod_headers.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_headers.so Reading symbols from /usr/lib64/httpd/modules/mod_usertrack.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_usertrack.so Reading symbols from /usr/lib64/httpd/modules/mod_unique_id.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_unique_id.so Reading symbols from /usr/lib64/httpd/modules/mod_setenvif.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_setenvif.so Reading symbols from /usr/lib64/httpd/modules/mod_proxy.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_proxy.so Reading symbols from /usr/lib64/httpd/modules/mod_proxy_connect.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_proxy_connect.so Reading symbols from /usr/lib64/httpd/modules/mod_proxy_ftp.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_proxy_ftp.so Reading symbols from /usr/lib64/httpd/modules/mod_proxy_http.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_proxy_http.so Reading symbols from /usr/lib64/httpd/modules/mod_mime.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_mime.so Reading symbols from /usr/lib64/httpd/modules/mod_dav.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_dav.so Reading symbols from /usr/lib64/httpd/modules/mod_status.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_status.so Reading symbols from /usr/lib64/httpd/modules/mod_autoindex.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_autoindex.so Reading symbols from /usr/lib64/httpd/modules/mod_asis.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_asis.so Reading symbols from /usr/lib64/httpd/modules/mod_info.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_info.so Reading symbols from /usr/lib64/httpd/modules/mod_cgi.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_cgi.so Reading symbols from /usr/lib64/httpd/modules/mod_dav_fs.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_dav_fs.so Reading symbols from /usr/lib64/httpd/modules/mod_vhost_alias.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_vhost_alias.so Reading symbols from /usr/lib64/httpd/modules/mod_negotiation.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_negotiation.so Reading symbols from /usr/lib64/httpd/modules/mod_dir.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_dir.so Reading symbols from /usr/lib64/httpd/modules/mod_actions.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_actions.so Reading symbols from /usr/lib64/httpd/modules/mod_speling.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_speling.so Reading symbols from /usr/lib64/httpd/modules/mod_alias.so... (no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_alias.so Reading symbols from /usr/lib64/httpd/modules/mod_rewrite.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_rewrite.so Reading symbols from /usr/lib64/httpd/modules/mod_perl.so...(no debugging symbols found)...done. Loaded symbols for /etc/httpd/modules/mod_perl.so Reading symbols from /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so... (no debugging symbols found)...done. Loaded symbols for /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/CORE/libperl.so Reading symbols from /lib64/libnsl.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libnsl.so.1 Reading symbols from /lib64/libutil.so.1...(no debugging symbols found)...done. Loaded symbols for /lib64/libutil.so.1 Reading symbols from /usr/lib64/httpd/modules/libphp5.so...done. Loaded symbols for /etc/httpd/modules/libphp5.so Reading symbols from /usr/lib64/libexslt.so.0...done. Loaded symbols for /usr/lib64/libexslt.so.0 Reading symbols from /usr/lib64/libgmp.so.3...done. Loaded symbols for /usr/lib64/libgmp.so.3 Reading symbols from /usr/lib64/libfreetype.so.6...done. Loaded symbols for /usr/lib64/libfreetype.so.6 Reading symbols from /usr/lib64/libpng12.so.0...done. Loaded symbols for /usr/lib64/libpng12.so.0 Reading symbols from /usr/lib64/libjpeg.so.62...done. Loaded symbols for /usr/lib64/libjpeg.so.62 Reading symbols from /usr/lib64/libcurl.so.3...done. Loaded symbols for /usr/lib64/libcurl.so.3 Reading symbols from /usr/lib64/libbz2.so.1...done. Loaded symbols for /usr/lib64/libbz2.so.1 Reading symbols from /usr/lib64/libidn.so.11...done. Loaded symbols for /usr/lib64/libidn.so.11 Reading symbols from /usr/lib64/libxslt.so.1...done. Loaded symbols for /usr/lib64/libxslt.so.1 Reading symbols from /usr/lib64/libxml2.so.2...done. Loaded symbols for /usr/lib64/libxml2.so.2 Reading symbols from /usr/lib64/libgcrypt.so.11...done. Loaded symbols for /usr/lib64/libgcrypt.so.11 Reading symbols from /usr/lib64/libgpg-error.so.0...done. Loaded symbols for /usr/lib64/libgpg-error.so.0 Reading symbols from /usr/lib64/httpd/modules/mod_python.so...done. Loaded symbols for /etc/httpd/modules/mod_python.so Reading symbols from /usr/lib64/httpd/modules/mod_ssl.so...done. Loaded symbols for /etc/httpd/modules/mod_ssl.so Reading symbols from /usr/lib64/libdistcache.so.1...done. Loaded symbols for /usr/lib64/libdistcache.so.1 Reading symbols from /usr/lib64/libnal.so.1...done. Loaded symbols for /usr/lib64/libnal.so.1 Reading symbols from /usr/lib64/php/modules/mysql.so...done. Loaded symbols for /usr/lib64/php/modules/mysql.so Reading symbols from /usr/lib64/mysql/libmysqlclient.so.15...done. Loaded symbols for /usr/lib64/mysql/libmysqlclient.so.15 Reading symbols from /usr/lib64/php/modules/eaccelerator.so...done. Loaded symbols for /usr/lib64/php/modules/eaccelerator.so ---Type <return> to continue, or q <return> to quit--- #0 _zend_mm_free_int (heap=0x552ad550f0, p=Variable "p" is not available. ) at /root/php-5.2.1/Zend/zend_alloc.c:616 616 if (UNEXPECTED(prev->next_free_block != mm_block) || UNEXPECTED(next->prev_free_block != mm_block)) { (gdb)