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0e1f616
(Get the code!)
Hi,
Same problem after upgrade from 10.10 to 11.04, with a NVIDIA GeForce 6150 with shared memory.
I suspect his might come from video memory usage. Here is the result of my (limited) experimentations:
After having opened a few windows (full screen or not), I reach a point where the next opened window will be solid white.
At this point, it is still possible for me to get the content of that window by reducing its display size, or that of another window.
If I then switch to a previously opened (and correctly displayed) window, and make it a little bigger, it will get blank too. I can even find a treshold: below a certain window size, content shows; over it, it does not.
I suspect there is something of a "maximum total opened window area": when reached, any activated window will be plain white.
I think it may be linked to video memory usage, because I've found that whenever I play Civilization IV over Wine, which uses much more video memory than a standard desktop app, the total showable window area seems much smaller.
I hope this might help to correct that serious defect, as well as help those who experience it...
Xavier