Here's a strange symptom: 1. open a few windows. 2. open glxgears. 3. close the other window.
see that glxgears no longer runs smoothly (even the the FPS look good still) even if you close it and reopen it.
Here's a strange symptom:
1. open a few windows.
2. open glxgears.
3. close the other window.
see that glxgears no longer runs smoothly (even the the FPS look good still) even if you close it and reopen it.