this post was submitted on 01 Aug 2025
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Games no longer launching with same gamescope command (lemmy.zip)
submitted 23 hours ago* (last edited 21 hours ago) by Blxter@lemmy.zip to c/linux_gaming@lemmy.world
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My normal command is

gamescope -f -W 2560 -H 1440 -r 144 --force-grab-cursor --mangoapp -- %command%

and games would work just fine. as of yesterday or so games would no longer launch no matter the game. If I remove gamescope it launches fine. I would Like to keep using gamescope but I did some research and apparently there used to be problems with NVIDIA and gamescope. I have used gamescope for many many games with no issues till now

I originally tried on my Endeavour OS install that I have been using for some time but then since I have been meaning to try out cachyos I then tried same thing there and it still does not work with gamescope. I have looked through the proton logs but if im being honest no idea what im looking for. Any help would be appreciated :)

  • GPU: NVIDIA GeForce RTX 3080
  • NVIDIA driver 575.64.05
  • OS: CachyOS x86_64

Edit: I have tried proton versions

  • Experimental
  • Experimental bleeding edge
  • 9.0-4
  • 10.0-2 (beta)
  • proton-CachyOS (native package)

Edit: pastebin for steam + games https://pastebin.com/4Rs7mHhi opening Mass effect https://pastebin.com/0NuUr6qd

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[–] mranderson17 3 points 13 hours ago* (last edited 13 hours ago) (1 children)

I see you made a comment in https://github.com/ValveSoftware/gamescope/issues/1913 . Did you try vkcube like someone earlier in that issue? And the other workarounds like --expose-wayland?

Also what version of gamescope? And you don't happen to be running steam as a flatpak do you?

EDIT: they JUST released a new version https://github.com/ValveSoftware/gamescope/compare/3.16.14...3.16.15 . So if you are having issues downgrading might be worth a try, but I haven't been able to reproduce the issues you are having.

Also, I know it sounds weird for a linux machine, but update and restart just to rule anything weird out. I've had steam and steam related applications leave around weird state, processes, etc. before and restarting is an easy way to clear that all out and start fresh, eliminating variables.

[–] Blxter@lemmy.zip 1 points 6 hours ago

I have tried --expose-wayland. I have tried normal gamescope and u roled back to an old version. I also tried gamescope-git (I think it's called). I will retry the expose Wayland again today though with other versions as I did not do that.