[ISSUE] shadow buffer not copied inside the frame buffer

[Marc Chalain]

Hi,
Since Monday, my screen is black. I make test and when I write some colors
directly inside the frame buffer, they appear.
To be clearer I added inside fbdev_output_repaint
    {
        unsigned short color=0xA55A;
        int i;
        for (i = 0; i < output->fb_info.buffer_length / 2; i+=2)
        {
            *(unsigned short *)(output->fb + i) = color + i;
        }
    }
and the display is painted, but without the shadow_buffer and the screen
are black.

Has somebody an idea ?
Marc.

PS: I can't continue with this issue.
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