Since upgrading to KDE 4.3 on Fedora 11 I have noticed that X CPU usage gets up to 99% of CPU usage and plasma-desktop stays around 20% CUP usage. If I shut everything down on the desktop the usage for both remains at 80 - 99% and 15- 20%. If I end the session (ctl-alt backspace) both X and plasma-desktop drop off to nil CPU usage. Upon restart of KDE CPU usage for X and plasma-desktop is sometimes normal (low) after the system settles, and some times not. But in all cases, after some time the CPU usage for X and plasma-desktop climb back up to 80 to 90% for X and 15 to 25% for plasma-desktop. Anybody else seeing this? Emmett