this post was submitted on 15 Nov 2025
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Error when launching Unreal Engine games with the latest Proton version(s) "!status && "vkQueuePresentKHR"" (lemmy.world)
submitted 3 months ago* (last edited 2 months ago) by Tattorack@lemmy.world to c/linux_gaming@lemmy.world
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First, some technical details out of the way:

  • OS: Bazzite, should be latest version.
  • CPU: Ryzen 5600x
  • GPU: Intel Arc A770 16 GB
  • RAM: 32 GB DDR 4
  • MESA: 25.2.7

When attempting to launch an Unreal Engine game with Proton version above 9.0-4, or Proton Experimental, or above GE-Proton 10-1 I get this crash and error:

!status && "vkQueuePresentKHR"

I've searched for this error and only found some old threads pointing to Steam Overlay being a problem. However, disabling Steam Overlay does not stop this issue.

Some of the UE games I play function on lower versions of Proton, others refuse to launch at all.

What could be causing this issue? What would I do to fix it?

EDIT:

Apparently it's an Intel card issue with a new feature in Mesa and Proton. It's so obscure and specific to Intel cards that I couldn't find anything on it.

So apparently there is some sort of anti-lag feature in the current latest version of Mesa that the newest versions of Proton can use which needs to be disabled for Intel cards with this launch command:

DISABLE_LAYER_MESA_ANTI_LAG=1 %command%

I added this to Arc Raiders, a UE 5 game that didn't launch with the latest Proton versions, and it solved the issue. There has already been a case opened on the Bazzite Github: https://github.com/ublue-os/bazzite/issues/3252

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[–] just_another_person@lemmy.world 6 points 3 months ago* (last edited 3 months ago)

Just don't run this version of Proton with this game.

The reason they make all versions of Proton available at all times is because the rolling Proton version may break game configs for various reasons, in this case it looks like a Vulkan rendering queue issue where the call is blocking: https://docs.vulkan.org/refpages/latest/refpages/source/vkQueuePresentKHR.html

You can check ProtonDB to see if anyone has a workaround for newer versions of Proton, but it's mostly unnecessary unless there's some specific features a specific point release you care about. Just pin the game to a working version and go.