[SOLUTION] Problem in OCI8 DB driver

[eluser]yrachmanu[/eluser]
dear kobus,
after follow your instruction , my oracle connection problem still occur with different condition for each browser :
1. blank page , Firefox
2. Error 324 (net::ERR_EMPTY_RESPONSE): Unknown error , google chrome
3. page not respond , IE

Here my database setting :
db['default']['hostname'] = '//[ip host]:[port]/[service name]';
$db['default']['username'] = '[my user oracle]';
$db['default']['password'] = '[my user password]';
$db['default']['database'] = '';
$db['default']['dbdriver'] = 'oci8';
$db['default']['dbprefix'] = '';
$db['default']['pconnect'] = TRUE;
$db['default']['db_debug'] = TRUE;
$db['default']['cache_on'] = FALSE;
$db['default']['cachedir'] = '';
$db['default']['char_set'] = 'utf8';
$db['default']['dbcollat'] = 'utf8_general_ci';
$db['default']['swap_pre'] = '';
$db['default']['autoinit'] = TRUE;
$db['default']['stricton'] = FALSE;

is there any solution about my case ??

regards,
yudi