Comment 86 for bug 1199877

I've never had 100% CPU usage, only some kind memory leak that unity-panel-service slowly uses more and more memory. After the new packages the situation is better, but still, memory usage of unity-panel-service is increasing over the time needs to be killed at some point to allow to be re-loaded with acceptable memory usage again. Again: not so much CPU usage problem here, and it wasn't the case for me either, only the memory usage.

Bug #1242735 is my original report (which is now a duplicate of this one) for more information.