#15 /usr/bin/X at 100%CPU when AMDOverdriveCtrl on Taskbar

[nitrosito]

When i click on "taskbar" and AMDO miminice to tray, the process /usr/bin/X come to 100% of CPU

If i restore to front ground , /usr/bin/X come to normal CPU use.

I use Kubuntu 15.04 64 Bits
KDE 5.2.2