Entries in the task manager have corrupted background. See images: active: http://solazs.tk/tmp/corrupted_panel1.png passive: http://solazs.tk/tmp/corrupted_panel3.png Reproducible: Couldn't Reproduce Steps to Reproduce: I think entries that start blinking (window demands attention) get (and stay) corrupted, but I couldn't verify this 100%.
*** This bug has been marked as a duplicate of bug 354485 ***