I believe hat this has something to do with the CG libraries used by the given exampes. The attached image may be a hint.
** Attachment added: "missing the CG plugin" https://bugs.launchpad.net/ubuntu/+source/ogre/+bug/993773/+attachment/3131342/+files/Captura%20de%20pantalla%20de%202012-05-05%2008%3A58%3A30.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/993773 Title: Error in RTShaderSystem To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ogre/+bug/993773/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs