Comment 30 for bug 586217

Is there something that triggers the screen to blank? Does disabling desktop effects help? There were some display watermark fixes for igp chips in 2.6.35, they might help avoid the screen blanking issue if it's watermark related:
http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commit;h=07d4190327b02ab3aaad25a2d168f79d92e8f8c2
http://git.kernel.org/?p=linux/kernel/git/airlied/drm-2.6.git;a=commitdiff;h=f892034a8ce80ed7098f667aae2eb6300e570603