white page in taxonomy terms url I am using drupal 7, when I am going to path of  terms I see only white page, no error and nothing in another page I have not this problem, 
 some php properties are :

error_reporting = E_ALL &amp; ~E_NOTICE &amp; ~E_STRICT &amp; ~E_DEPRECATED &amp; ~E_WARNING
max_execution_time = 360 
max_input_time = 120 
memory_limit = 32M
upload_max_filesize = 32M
post_max_size = 32M
mbstring.func_overload = 2
mbstring.internal_encoding = UTF-8


where is the problem? and how can I solve it?
One thing to do when you get the WSOD is to turn on all error reporting to see what led up to the failure to produce output.  The error_reporting setting you show is turning of a lot of reporting.

You'll get more runtime error reporting by adding this to the start of settings.php on your site (you add it just below &lt;?php):

error_reporting(E_ALL);
ini_set('display_errors', TRUE);
ini_set('display_startup_errors', TRUE);


In addition, navigate to: Administration→ Configuration→ Development → logging and errors and select All messages. This sets $conf['error_level'] = 2;.

Also, check the logs (in particular most recent log messages).

If I should try to guess, I would say you're out of memory.  Having a 32M memory_limit when running Drupal 7 does sound like a source for trouble (I've no Drupal 7 site with less than 128M).