server-tools/base_concurrency/cron.xml

<?xml version="1.0" encoding='UTF-8'?>
<openerp>
    <data>
        <!--
            This cron can be used to synchronize the login dates
            back to the res.users SQL table, since some modules
            (ex: gamification, auth_openid) use a SQL request
            to read the data. Otherwise, it should stay inactive.
        -->
        <record model="ir.cron" id="cron_res_users_login">
            <field name="name">Synchronize login dates in res.users</field>
            <field name="interval_number">1</field>
            <field name="active" eval="False"/>
            <field name="user_id" ref="base.user_root"/>
            <field name="interval_number">1</field>
            <field name="interval_type">days</field>
            <field name="numbercall">-1</field>
            <field name="doall" eval="False"/>
            <field name="model" eval="'res.users.login'"/>
            <field name="function" eval="'cron_sync_login_date'"/>
            <field name="args" eval="'()'"/>
        </record>
    </data>
</openerp>