2010/6/13 José Lopes <biolizard.mail at gmail.com>: > GLUT: Warning in (unamed): invalid glutGet parameter: 124 > > debugger invoked on a SB-KERNEL::UNDEFINED-ALIEN-FUNCTION-ERROR My guess is that you're using classic GLUT instead of FreeGLUT. Cheers, -- Luís Oliveira http://r42.eu/~luis/