Description of problem: When the KDE Keyboard Layout is enabled and the key sequence to change layouts is pressed repeatedly, plasma-desktop takes up to 20% CPU and the memory usage increases gradually (in chunks of ~4mb). Version-Release number of selected component (if applicable): kde-workspace-4.11.14-2.fc20.x86_64 How reproducible: Constantly Steps to Reproduce: 1. Open the keyboard layouts settings (System Settings > Input Devices > Keyboard > Layouts) 2. Set the following layouts: 3. Enable Show layout indicator 4. Click apply 5. Open ksysguard and observe plasma-desktop's memory and CPU usage 6. Press Ctrl-Alt-K repeatedly 7. Observe plasma-desktop's memory and CPU usage 8. Disable the keyboard layout indicator (uncheck System Settings > Input Devices > Keyboard > Layouts > Show layout indicator) 9. Click apply 10. Press Ctrl-Alt-K repeatedly 11. Observe plasma-desktop's memory and CPU usage Actual results: At step 7, the CPU usage will shoot up (up to 20% in my case) and the memory usage will increase rapidly. At step 11, the CPU and memory usage is not affected. Expected results: At both steps 7 and 11, the CPU and memory usage should not affected. Additional info: The keyboard layouts I have set up are US English and French (Canada) / Canadian Multilingual
Added upstream bug tracker reference
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