I've been experiencing a screen flicker on one of my monitors when running a setup of three external monitors after exiting the "Screen Energy Saving" mode from no activity.
The following is what I am running:
- Kubuntu 16.04
- KDE Plasma 5.6.5
- KDE Frameworks 5.23.0
- Qt Version 5.5.1
- Kernel: 4.4.0-31
- Dell Latitude E7450
- Intel HD 4000 Integrated graphics chipset
- Three external monitors:
- 2 x DVI
- 1 x VGA
I've tried:
- Switching amongst all three compositors (OpenGL 3.1, OpenGL 2.0, XRender)
- Upgraded kernel to 4.6.x
- export KWIN_TRIPLE_BUFFER=1
Has anyone else encountered this and any suggestions on how to fix this ?
- F.0.
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