no mySQL access via Joomla after update from 1.0.0rc2 to 1.0.0 to 1.0.5

[thoand]

Code:

h1202717:~# dpkg -l | grep php
rc  libapache2-mod-php5               5.2.0+dfsg-8+etch16
ii  php-db                            1.7.13-2
ii  php-http                          1.4.0-1
ii  php-mail                          1.1.14-1+lenny1
ii  php-net-smtp                      1.3.1-1          
ii  php-net-socket                    1.0.8-2          
ii  php-pear                          5.2.6.dfsg.1-1+lenny8  
ii  php-xml-parser                    1.2.8-1  
rc  php4-auth-pam                     0.4-9.2
rc  php4-cgi                          6:4.4.4-8+etch6  
ii  php4-common                       6:4.4.4-8+etch6  
rc  php4-curl                         6:4.4.4-8+etch6
rc  php4-gd                           6:4.4.4-8+etch6  
rc  php4-mcrypt                       6:4.4.4-8+etch6
rc  php4-mysql                        6:4.4.4-8+etch6
ii  php5                              5.2.6.dfsg.1-1+lenny8
ii  php5-adodb                        5.04-3
ii  php5-auth-pam                     0.4-10
ii  php5-cgi                          5.2.6.dfsg.1-1+lenny8
ii  php5-cli                          5.2.6.dfsg.1-1+lenny8
ii  php5-common                       5.2.6.dfsg.1-1+lenny8
rc  php5-curl                         5.2.0+dfsg-8+etch16
ii  php5-gd                           5.2.6.dfsg.1-1+lenny8
ii  php5-idn                          1.2b-5.3
ii  php5-imap                         5.2.6.dfsg.1-1+lenny8
ii  php5-mcrypt                       5.2.6.dfsg.1-1+lenny8
ii  php5-mhash                        5.2.6.dfsg.1-1+lenny8
ii  php5-mysql                        5.2.6.dfsg.1-1+lenny8