glxgear output mangled with intel+855GM

[Robert Schwebel]

Hi,

I've the latest set of x.org packets running on an industrial motion
controller system with 855GM hardware. The graphics is coming up nicely
in general, but glxgears doesn't work correctly. Here's how the output
looks like:

https://svn.pengutronix.de/xorg/i855-glxgears-ptx.png

Involved versions:

	Mesa-7.5
	xf86-video-intel-2.8.0
	xorg-server-1.6.2.901

Does anyone have an idea what went wrong?

rsc
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