Bug#798317: xserver-xorg-video-radeon: Strange interaction of radeon config, screenshot and x11vnc

[Luis Mochan]

Dear Michel,
> I don't know what the problem is, but FWIW you shouldn't enable Option
> "RenderAccel", because RENDER acceleration uses the 3D engine, which
> isn't validated on RN100 GPUs. That might explain at least the issue
> with Option "EXAPixmaps" enabled.
Thanks. I'll try later to disable RenderAccel and test enabling
EXAPixmaps again. I must confess that I copied the configuration
file from somewhere and, without much understanding, commented and
uncommented lines until I the black screen problem was solved, but at
the next boot it came back. 
Regards,
Luis

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