[Users] [oVirt 3.1] Start VM

Hi, I installed oVirt 3.1 under CentOS 6.3 (from dre repos) and when I want to start a VM the following error is displayed: VM TestVM is down. Exit message: internal error Process exited while reading console log output: Supported machines are: pc RHEL 6.3.0 PC (alias of rhel6.3.0) rhel6.3.0 RHEL 6.3.0 PC (default) rhel6.2.0 RHEL 6.2.0 PC rhel6.1.0 RHEL 6.1.0 PC rhel6.0.0 RHEL 6.0.0 PC rhel5.5.0 RHEL 5.5.0 PC rhel5.4.4 RHEL 5.4.4 PC rhel5.4.0 RHEL 5.4.0 PC . What could it be ? Regards. -- AGD