protonscr

[Space Engineers 2] Persistent launch crash due to Fsync/RT priority conflict on Arch Linux/NVIDIA

protonclosed
ValveSoftware/Proton#9276 · opened 2025-12-03 by C10udN9n3 · updated 2025-12-03 · 1 comments · github
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CC10udN9n3 2025-12-03 github

Compatibility Report

  • Game: Space Engineers 2
  • Steam App ID: 1133870

System Information

I confirm:

  • [ X] that I haven't found an existing compatibility report for this game.
  • [ X]that I have checked whether there are updates for my system available.

Note: Crashes happen before Proton can really start, no logs can be found. Proton Did not start up for logs to be saved.

Symptoms

Immediate crash.

Reproduction

Pressing start on the game. This can be reproduced after tweaking and configuring wine and proton, on all mentioned proton versions, including a custom Proton-GE 10-25

Kkisak-valve maintainer 2025-12-03 github

Hello @C10udN9n3, we're using one issue report per unofficially supported game title, so I've gone ahead and transferred this issue report to https://github.com/ValveSoftware/Proton/issues/8859#issuecomment-3606930626.

Proton versions

Upstream links