On Mon, Jul 08, 2013 at 14:09:22 +0800,
  Danishka Navin <danishka@gmail.com> wrote:

Hi,

I have build a Fedora 19 based spin but could not log in to the system
after live boot.

When I click the login button "Live User.." system won't load the desktop
but it reload the log-in interface.

What kind of video card do you have? This could potentially be a probelm with llvmpipe.