Not being able to load dynamic library

[jackee]

hello buddies

Running apache 2.0.54, php 5.0.4, and mysql 5.1.4
Anyone know what's up with these errors?
PHP Warning: PHP Startup: Unable to load dynamic library
'/usr/lib/php/extensions/mbstring.so' -
/usr/lib/php/extensions/mbstring.so: undefined symbol: _zval_dtor_func in
Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library
'/usr/lib/php/extensions/mcrypt.so' - /usr/lib/php/extensions/mcrypt.so:
undefined symbol: _zval_copy_ctor_func in Unknown on line 0
PHP Warning: PHP Startup: Unable to load dynamic library
'/usr/lib/php/extensions/mysql.so' - /usr/lib/php/extensions/mysql.so:
undefined symbol: _zval_copy_ctor_func in Unknown on line 0
PHP 5.0.4 (cli) (built: Sep 6 2005 15:21:04)
Copyright © 1997-2004 The PHP Group

Please guide me in right direction. -- This message may have been cut off and the rest will only be shown to members. To become a member, click here --

[casey]

please check out these frequencies

[a href=\"http://php.net/mbstring\" target=\"_blank\"]http://php.net/mbstring[/a]

have you disabled posix threads?
[a href=\"http://php.net/mcrypt\" target=\"_blank\"]http://php.net/mcrypt[/a] -- This message may have been cut off and the rest will only be shown to members. To become a member, click here --

[stella]

Facing similar problems
I also have the following installed:
php-dba 5.0.4
php-devel 5.0.4
php-gd 5.0.4
php-imap 5.0.4
php-ldap 5.0.4
php-mbstring 5.0.4
php-mcrypt 5.0.4
php-mhash 5.0.4
php-mysql 5.0.4
php-ncurses 5.0.4
php-odbc 5.0.4
php-pear 5.0.4
php-pgsql 5.0.4
php-smnp 5.0.4
php-soap 5.0.4
php-xml 5.0.4
php-xmlrpc 5.0.4

Somebody help. The only other thing I have noticed is that my php/session directory is not writeable from my Joomla installation...could that be a source of the problem? -- This message may have been cut off and the rest will only be shown to members. To become a member, click here --