Failed to mount "volume name".
org.freedesktop.hal.storage.mount-removable no <-- (action,result).

[root@rawbeer /etc/PolicyKit]# cat PolicyKit.conf
<?xml version="1.0" encoding="UTF-8"?> <!-- -*- XML -*- -->

<!DOCTYPE pkconfig PUBLIC "-//freedesktop//DTD PolicyKit Configuration 1.0//EN"
"http://hal.freedesktop.org/releases/PolicyKit/1.0/config.dtd">

<!-- See the manual page PolicyKit.conf(5) for file format -->
<config version="0.1">
    <match action="org.freedesktop.hal.storage.mount-removable">
        <return result="yes"/>
    </match>
    <match action="org.freedesktop.hal.storage.mount-fixed">
        <return result="yes"/>
    </match>
    <define_admin_auth group="wheel"/>
</config>