php-4.0.1_pl2 + oracle 8.0.5 + mysql segmentation fault

Hi, I 've recompiled my php module for apache to add mysql support, I got segmentaion fault. Previously my php module works fine (with OCI8 , oracle 8.0.5 support). I configured with : ./configure --with-apxs=/usr/sbin/apxs --with-oci8=/u01/app/oracle/product/8 .0.5 --with-config-file-path=/etc/php4 --with-system-regex=yes --enable-trac k-vars=yes --with-imap --enable-bcmath=yes --enable-force-cgi-redirect=yes - -enable-memory-limit=yes --enable-short-tags=no --enable-track-vars=yes --en able-sysvshm=yes --enable-sysvsem=yes --with-myasql=/usr no error make ; make install no error restart apache , no error. httpd -S , segmentation fault. from gdb I got : Core was generated by `/usr/sbin/httpd -S'. Program terminated with signal 11, Segmentation fault. #0 0x407e0490 in ?? () (gdb) where #0 0x407e0490 in ?? () #1 0x80592bd in ?? () #2 0x805b862 in ?? () #3 0x400b6cb3 in ?? () (gdb) My environtment is : Linux Redhat kernel 2.2.16 apache-1.3.12-2 php-4.0.1_pl2 oracle 8.0.5 MySQL-3.22.32-1 ldd libphp4.so : libgdbm.so.2 => /usr/lib/libgdbm.so.2 (0x401ae000) libpam.so.0 => /lib/libpam.so.0 (0x401b4000) libdl.so.2 => /lib/libdl.so.2 (0x401bc000) libclntsh.so.1.0 => /u01/app/oracle/product/8.0.5/lib/libclntsh.so.1.0 (0x401c0000) libmysqlclient.so.6 => /usr/lib/libmysqlclient.so.6 (0x4053b000) libttf.so.2 => /usr/lib/libttf.so.2 (0x4054e000) libgd.so.1 => /usr/lib/libgd.so.1 (0x40563000) libresolv.so.2 => /lib/libresolv.so.2 (0x40599000) libm.so.6 => /lib/libm.so.6 (0x405a8000) libcrypt.so.1 => /lib/libcrypt.so.1 (0x405c5000) libnsl.so.1 => /lib/libnsl.so.1 (0x405f2000) libc.so.6 => /lib/libc.so.6 (0x40607000) /lib/ld-linux.so.2 => /lib/ld-linux.so.2 (0x80000000) libz.so.1 => /usr/lib/libz.so.1 (0x406f5000) libpthread.so.0 => /lib/libpthread.so.0 (0x40704000) Any idea, what i missed ? TIA Anang