Problema con Count y un largo select

[piwy]

Código MySQL:

SELECT u.id, u.empresa, u.mail, u.url, u.telefono, u.zona, u.nivel, COUNT( DISTINCT m.id ) AS Machines
    FROM m_usuarios u
    LEFT JOIN m_maquinas m ON m.id_dis = u.id
    WHERE u.eliminado =0 and m.eliminado=0
    GROUP BY u.id