503 error when trying to enable opcache

[Razza]

Hi, am trying to enable opcache on 1.3.1 by adding

zend_extension=/usr/local/lsws/lsphp5/lib/php/extensions/no-debug-non-zts-20121212/opcache.so
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=60
opcache.fast_shutdown=1
opcache.enable_cli=1

to the php.ini, but keep geting 503 unavailable error on ever php page

 

[lswave]

please increase lsphp5:
Memory Soft Limit (bytes)
Memory Hard Limit (bytes)
big enough