this post was submitted on 15 Aug 2024
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Linux Gaming

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(SOLVED) Games flickering despite running fine on Windows (lemmy.zip)
submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/[email protected]
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SOLUTION: Apparently there's some sort of bug in xwayland that causes Steam games to flicker, so "downgrading" to X11 solved it (for now). Now all I need to know is how to file a bug report for this.

I'm trying to set up a Linux install for my mom (Ultramarine KDE on Wayland), and all her (2) Steam games are flickering. I thought it was from fractional scaling, but that doesn't seem to be the case.

Her games don't flicker on Windows, and I've already tried multiple versions of Proton. I'm not quite sure what's happening, and any help would be appreciated.

Specs

  • OS: Ultramarine Linux KDE Edition
  • Host: Dell Inspiron 15 3511
  • CPU: Intel Core i5-1035G1
  • GPU: ~~pretty sure it uses integrated graphics~~ ~~apparently it uses Nvidia? First time I've seen that, gonna have to remember that in the future.~~ Both Linux and Windows are using integrated graphics with no sign of Nvidia anywhere??

If you need any more information, please ask me

Edit: other than the flickering, her games run perfectly fine.

Edit 2: Just learned my mom's laptop model has a discrete Nvidia GPU, gonna troubleshoot that in a bit.

Edit 3: Her laptop doesn't seem to have anything Nvidia inside, despite the fact that the Dell website says her laptop should, weird...

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[–] [email protected] 3 points 3 months ago* (last edited 3 months ago) (1 children)

If it's that kind of flickering on KDE 6.X on Wayland that forced me to temporarily move back to Cinnamon on X to play Elden Ring again, it could be related to KDE enabling Explicit Sync by default and the NVidia drivers < 555 that don't support it.

It was only flickering, the framerate was fine.

After I installed the 555 driver from the repository, the flickering in KDE on Wayland was gone.

There's a manual for Ultramarine Linux on how to install the nvidia-driver

According to another comment, your notebook model likely has a integrated Nvidia GPU.

Hope this helps

[–] [email protected] 1 points 3 months ago* (last edited 3 months ago) (1 children)

I followed the manual and it softborked her install :(

[–] [email protected] 2 points 3 months ago (1 children)

Oh, sorry...

Were you able to fix it?

[–] [email protected] 2 points 3 months ago

Yea, had to live-boot and figure out where Fedora stores the root filesystem so I could chroot in and uninstall the drivers from there.