Comment 320 for bug 439448

Mahendra Tallur wrote : "corruption appears here more frequently in the bottom panel ("show desktop" applet) (and once in a while in the top panel near the canonical indicators)."

I have the same feeling. I use out-of-the-box panels since Lucid, and when I get this bug it is 80% concerning the "show desktop", and the rest concerns the top-right panels.