Comment 8 for bug 1212455

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John Hupp (john.hupp) wrote :

I did test the latest mainline kernel, but as of this moment don't have a clue about how to test the latest Xorg stack or bisect a regression. (Though if I wanted to get a clue about bisecting a regression, I could follow your link regarding that, thanks.)

The online archive of the email begins with my email at http://lists.freedesktop.org/archives/dri-devel/2013-August/043876.html

Happily for me as regards my time investment on this problem, but perhaps unhappily as regards fixing the problem, Chris Wilson from the Intel Open Source Technology Centre rendered this summary judgment in a reply:

"It's a flash bug. They ignore the format of the Window that they PutImage to. (Worse, they create an image of the right depth or else X would reject the PutImage with a BadMatch and then render incorrect pixel data into it.)"

If his assessment is on the mark, and if you have a PC with affected Intel graphics that you want to display Flash content, it would seem that the only recourse is to install a supported non-Intel video card.