[wp-forums] This is a little cheeky but...

[Sergey Biryukov]

On Wed, Sep 28, 2011 at 10:10 PM, esmi at quirm dot net <esmi at quirm.net> wrote:
> on 28/09/2011 17:24 Sergey Biryukov said the following:
>
>> One of the ways to get this is to have the old
>> wp-includes/default-constants.php file, without WP_MAX_MEMORY_LIMIT
>> constant in it.
>>
>> wp-admin/admin.php then tries to set memory_limit to an undefined
>> constant, and it ends up to be 256k.
>
> Pretty sure that these guys won't have touched core.

The old file could be a result of unsuccessful upgrade from 3.1 to 3.2.

Since front end is working, php.ini is probably fine.