"out of memory" GLUT error on Windoze XP SP2

Hello
I get an "out of memory" error, it appears on a glClear called by GLUT.

The environment is:

Python 2.5.1
PyOpenGL-3.0.0a6
PyOpenGL-Demo-3.0.0a6

Windows XP SP2 (Actually, come to think of it....I had no problems before SP2!)


If I run lesson6.py from the NeHe demos (actually it happens on other progs
including ones I wrote myself that used to work), I get:

C:\Python25\Lib\site-packages\PyOpenGL_Demo-3.0.0a6-py2.5.egg\PyOpenGL-Demo\NeHe
>lesson6.py
Hit ESC key to quit.
Traceback (most recent call last):
  File "build\bdist.win32\egg\OpenGL\GLUT\special.py", line 107, in safeCall
    return function( *args, **named )
  File "C:\Python25\Lib\site-packages\PyOpenGL_Demo-3.0.0a6-py2.5.egg\PyOpenGL-D
emo\NeHe\lesson6.py", line 117, in DrawGLScene
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)  # Clear The Screen And T
he Depth Buffer
  File "build\bdist.win32\egg\OpenGL\error.py", line 188, in glCheckError
    baseOperation = baseOperation,
GLError: GLError(
        err = 1285,
        description = 'out of memory',
        baseOperation = glClear,
        cArguments = (16640,)
)
GLUT callback forcing low-level exit on error: GLError(
        err = 1285,
        description = 'out of memory',
        baseOperation = glClear,
        cArguments = (16640,)
)

C:\Python25\Lib\site-packages\PyOpenGL_Demo-3.0.0a6-py2.5.egg\PyOpenGL-Demo\NeHe
>


Any clues?  Mike?  Anybody?


Best Regs
Jon





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