php session lost between pages

Question

I have a script with session betwen few pages, every one has session_start() right after <?php no BOM.

Works great on my test server but on the production server I lost all session variables and their values, register_globals are off .

Furtermore in FF I lost session on 4th page and in Chrome in 2th page, any ideas?
Will gladly take all hints.

-- On IE works great

-- Looks like the session is there all the time only variabels die ( var_dump gives array(0) ). I did session_write_close() but with no result

Answer 1

检查session.save_path对于Web服务器是否可写。