Comment 6 for bug 1440602

Again, for the record: I was able to reproduce this bug w/ Fedora 22 Alpha (4.0 kernel, XOrg 1.17, Gnome 3). It isn't as obvious as it is in Unity, but it's there. Here is a 10-second video of repeatedly maximizing and restoring a window, where you can see the checkerboarding along the top of the screen: https://www.dropbox.com/s/85n2iq27zm00dlo/VID_20150410_033406.mp4?dl=0

Also, I'm not able to reproduce the corruption with fglrx, so I think this means it is most likely an upstream problem with the radeon driver (so I'll file another bug report there).