I installed the xen pv centos 5.8 I can not use the console. The screen output.

Last login: Wed Jun 20 09:02:29 2012 from 49.0.68.121
Starting PowerConsole v1.1 <> (c)2010 soluslabs ltd.
please wait...
successfully logged in.
I waited a long time. Remains the same.

What should I do?