session_start() causes Connection to Close.

Hi, I'm using php-4.1.1 with Configure Command './configure' '--with-apxs=/usr/local/apache/bin/apxs' '--enable-dbase' '-- with-mysql=/usr/local/mysql' '--with-mm' '--with-openssl' '--enable-sockets' '- -with-zlib' '--with-curl' '--enable-discard-path' apache (w modssl): gavin@myhost apache> bin/httpd -V Server version: Apache/1.3.23 (Unix) Server built: Feb 10 2002 20:43:12 Server's Module Magic Number: 19990320:11 Server compiled with.... -D EAPI -D HAVE_MMAP -D HAVE_SHMGET -D USE_SHMGET_SCOREBOARD -D USE_MMAP_FILES -D HAVE_FCNTL_SERIALIZED_ACCEPT -D HAVE_SYSVSEM_SERIALIZED_ACCEPT -D SINGLE_LISTEN_UNSERIALIZED_ACCEPT -D HTTPD_ROOT="/usr/local/apache" -D SUEXEC_BIN="/usr/local/apache/bin/suexec" -D DEFAULT_PIDLOG="logs/httpd.pid" -D DEFAULT_SCOREBOARD="logs/httpd.scoreboard" -D DEFAULT_LOCKFILE="logs/httpd.lock" -D DEFAULT_XFERLOG="logs/access_log" -D DEFAULT_ERRORLOG="logs/error_log" -D TYPES_CONFIG_FILE="conf/mime.types" -D SERVER_CONFIG_FILE="conf/httpd.conf" -D ACCESS_CONFIG_FILE="conf/access.conf" -D RESOURCE_CONFIG_FILE="conf/srm.conf" I have an SSL site running. All of a sudden it's started misbehaving on a a certain page. The page involves s some mysql connections and curl use. however, the first line of the script is: <?php session_start(); ... ... And I get "Host Closed Connection" from the browser unless this session_start() is commented out Obviously this knackers up the rest of the script. Is there something I'm missing here? If needs be I'll send more info. Also, the browser is Opera for linux. This was working four days ago. I've redeveloped it in parallel and now the new and old (unchanged) versions have both stopped on the same page. Sorry if this is something obvious but I just can't see it. Thanks Gavin PS here's my session info from php_info: session Session Support enabled Directive Local Value Master Value session.auto_start Off Off session.cache_expire 180 180 session.cache_limiter nocache nocache session.cookie_domain no value no value session.cookie_lifetime 0 0 session.cookie_path / / session.cookie_secure Off Off session.entropy_file no value no value session.entropy_length 0 0 session.gc_maxlifetime 1440 1440 session.gc_probability 1 1 session.name PHPSESSID PHPSESSID session.referer_check no value no value session.save_handler files files session.save_path /tmp /tmp session.serialize_handler php php session.use_cookies On On