domain mapping and addon mapped domain login not working

When I go to the site loads fine and I can see all links posts on the site when I goto login I'm present with
all go so far.
I put in my username(callsign) and password and nothing like I put in the wrong password.
I disabled all the plugins and same problem.
I cleared cookies on each try even tried different Browsers Maxthon, firefox, IE10(yuck), Google. after the login the url is

Each time I can't login.
If I disable domain mapping and login with it Logs in immediately