https://bugs.freedesktop.org/show_bug.cgi?id=36934
--- Comment #9 from almos aaalmosss@gmail.com 2011-08-30 14:51:08 PDT --- Created an attachment (id=50722) --> (https://bugs.freedesktop.org/attachment.cgi?id=50722) corrupted image in firefox
Now I found a good example of this corruption. When Firefox displays a large image it is frequently filled with garbage, and due to the size of the image, it is clearly visible that the garbage is the remnants of previously displayed images. I think the newly created surfaces in texture-from-pixmap operations are not flushed properly. Or something like that.
In the attachment http://static.szanalmas.hu/postpix/71876_1.jpg should be shown (don't worry it doesn't make any sense even in Hungarian). The startled Misato is the actual desktop background (with the folderview plasmoid in the upper left corner), the '1' in the green circle is a frame from a recently played youtube video, and some of the other garbage are also identifiable.
After a few tab switches this image got clear, but doing a back-forward on that tab made it filled with different garbage. I think redrawing the image clears it, and a realloc leaves it uninitialized again.