.
Thread 1 (Thread 7387):
#0  0x00354fda in xdebug_stack_element_dtor (dummy=0x22125468, elem=0x1ad44d) at /tmp/pear/temp/xdebug/xdebug.c:656
        i = 24357132
        e = 0xb
#1  0x012bfb28 in ?? () from /usr/lib/apache2/modules/libphp5.so
No symbol table info available.
#2  0x012c15e7 in zend_hash_graceful_reverse_destroy () from /usr/lib/apache2/modules/libphp5.so
No symbol table info available.
#3  0x012b38fc in ?? () from /usr/lib/apache2/modules/libphp5.so
No symbol table info available.
#4  0x01259d82 in php_module_shutdown () from /usr/lib/apache2/modules/libphp5.so
No symbol table info available.
#5  0x01259e57 in php_module_shutdown_wrapper () from /usr/lib/apache2/modules/libphp5.so
No symbol table info available.
#6  0x0134f701 in ?? () from /usr/lib/apache2/modules/libphp5.so
No symbol table info available.
#7  0x001289c2 in ?? () from /usr/lib/libapr-1.so.0
No symbol table info available.
#8  0x00127bf9 in apr_pool_destroy () from /usr/lib/libapr-1.so.0
No symbol table info available.
#9  0x00127be1 in apr_pool_destroy () from /usr/lib/libapr-1.so.0
No symbol table info available.
#10 0x0066d82c in destroy_and_exit_process (process_exit_value=571626552, process=<value optimized out>) at /build/buildd/apache2-2.2.17/server/main.c:270
No locals.
#11 0x0066e8fd in main (argc=3, argv=0xbf940874) at /build/buildd/apache2-2.2.17/server/main.c:748
        c = 0 '\000'
        configtestonly = 6945647
        confname = 0x69f923 "apache2.conf"
        def_server_root = 0x69f916 "/etc/apache2"
        temp_error_log = 0x0
        error = <value optimized out>
        process = 0x21e2f130
        server_conf = 0x21e358e8
        pglobal = 0x69fb69
        pconf = 0x21e310a8
        plog = 0x21e63170
        ptemp = 0x21e6a188
        pcommands = 0x21e330b0
        opt = 0x21e33150
        rv = 568547560
        mod = <value optimized out>
        optarg = 0x69effa "\201\303\016\263"
        signal_server = <value optimized out>