After upgrading from MySQL 5.5 to 5.6 I'm seeing the above warning in phpmyadmin. It's also stating the query cache is off. Looking at the details, it further states:
The query cache is not enabled.
Test
value == 0 || query_cache_type == 'OFF' || query_cache_type == '0'
You do not have InnoDB enabled.
value != "YES"
The query cache is not enabled.
Test
value == 0 || query_cache_type == 'OFF' || query_cache_type == '0'
You do not have InnoDB enabled.
value != "YES"