Description:
------------
? have installed SquirrelMail on a clean machine
running RedHat Linux 9.

The following msg constantly appears

Fatal error: session_start(): Failed to initialize storage module

Reproduced the same result even with a simple script:
<?php
session_start();
?>

I am using Apache/2.0.47 (Red Hat Linux) 

php.ini :
--------------------------------------------
[Session]
session.save_handler           = user
session.save_path              = /tmp/.phpsess
session.name                   = BAID
session.auto_start             = 0
session.cookie_lifetime        = 0
session.serialize_handler      = php
session.gc_probability         = 100
session.gc_maxlifetime         = 1440
session.entropy_length         = 0
session.use_cookies            = 1
session.cookie_path            = /
session.cache_limiter          = nocache
session.cache_expire           = 180
session.use_trans_sid          = 0

Configure Command:
--------------------------------------------
'./configure' '--with-apxs2=/usr/sbin/apxs' '--enable-shared' '--enable-calendar' '--enable-bcmath' '--enable-dbase' '--enable-filepro' '--enable-sysvsem' '--enable-sysvshm' '--enable-inline-optimization' '--enable-track-vars' '--enable-sigchild' '--enable-ftp' '--enable-gd-imgstrttf' '--enable-gd-imgstrttf' '--with-openssl' '--with-iconv' '--with-expat' '--enable-xslt' '--with-xslt-sablot' '--with-sablot-js' '--with-imap=shared' '--with-kerberos' '--with-imap-ssl' '--with-gettext=shared' '--with-mysql=shared' '--with-zlib=shared' '--with-gd=shared,/usr/local/php/gd' '--with-ttf' '--with-jpeg-dir=/usr' '--with-png-dir=/usr' '--with-dom=shared' '--with-dom-xslt' '--with-curl=shared' '--with-ming=shared,/usr/local/php/ming' 


Reproduce code:
---------------
<?php
session_start();
?>

Expected result:
----------------
The page to load with no errors.

Actual result:
--------------
Fatal error: session_start(): Failed to initialize storage module. in /var/www/html/test.php on line 3