I cant reopen this issue, maybe if you didn't see my reply https://github.com/phalcon/cphalcon/issues/368
This is what fixes your problem, https://gist.github.com/phalcon/4681167#file-cache-php-L31
Also I added a unit-test for this in 0.9.0:
https://github.com/phalcon/cphalcon/blob/master/unit-tests/ModelsResultsetCacheStaticTest.php#L52 https://github.com/phalcon/cphalcon/blob/master/unit-tests/models/Cacheable/Model.php https://github.com/phalcon/cphalcon/blob/master/unit-tests/models/Cacheable/Robots.php