this post was submitted on 22 Sep 2024
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KDE intermittent desktop flickering after monitors wake up from suspend (lemmy.world)
submitted 2 months ago by Infernal_pizza@lemmy.world to c/linux@lemmy.ml
12 comments fedilink hide all child comments
 

I’m having an issue with my desktop flickering after my monitors wake up on KDE. When I first turn on my PC it’s fine, but if I walk away and let the monitors turn off when I then come back the desktop starts flickering. It’s only the desktop that flickers, if I have an app open full screen it’s fine but as soon as I minimise it the flickering comes back. It doesn’t seem to be an issue if I leave it long enough for my actual PC to go to sleep, only the monitor. This happens on both Wayland and X11.

Does anyone have any ideas on how to fix this, and if not is it worth submitting a bug report on kde? Or is it probably just something dodgy in my setup? This is with an Nvidia GPU which I suspect has something to do with it (I’ve tried with both the nvidia and nvidia-open drivers). I’ve already had to change the settings so that the screen locks before the monitors sleep otherwise it was causing kwin to crash and I’d get stuck at the login screen for a minute after resuming.

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[–] wewbull@feddit.uk 1 points 2 months ago (1 children)

Yeah. My theory is that the AMD GPU driver has swapped out too much to main memory from VRAM because anything with high VRAM usage seems to cause it.

I'm on an RX7600.

[–] Infernal_pizza@lemmy.world 1 points 2 months ago

It’s definitely not that for me as I’m on Nvidia!