Log for 5.13-1
steam-1024380.log
Also experiencing the same issue as @PsychedelicHell for this Vulkan-based application (using Avalanche Studios "Apex" engine)
Proton Experimental also tested with same result)Consistent application crashes during the launch process after receiving messages regarding an "unsupported operation system" and "out-of-date" graphics driver:
Library using the Steam client and press the Play buttonOK on the first dialog screen ("unsupported operation system")Yes on the second dialog screen ("out-of-date" graphics driver)Send report or Close the program on the Error Report dialog screenGet the same error here. I've played quite a few games via Proton and have never seen this error before.
As far as I've seen, those with AMD cards can play via Proton and those with Nvidia cards can not.
As far as I've seen, those with AMD cards can play via Proton and those with Nvidia cards can not.
That's weird. I wonder why?
Maybe try faking AMD GPU with DXVK.
Potentially overreaching logic trying to manage users drivers for them, perhaps this is another NVAPI shenanigan.
Maybe try faking AMD GPU with DXVK.
@DistantThunder @Hunk4TH @PsychedelicHell Good advice, specifying PROTON_HIDE_NVIDIA_GPU=1 %command% within the launch options now allows the game to launch successfully (message regarding an "unsupported operation system" still remains)
Unfortunately there appears to be 2 new issues:
Starting any game mode (Mission/Expedition) results in a black screen with music, ALT + F4 closes the application window but sound continues playing until manually selecting STOP within the Steam client: steam-1024380.log (Proton Experimental)
Exiting the application closes the window but sound continues playing until manually selecting STOP within the Steam client: steam-1024380.log (Proton 5.13-4)
@aeikum Shouldn't PROTON_HIDE_NVIDIA_GPU be redundant if Proton (DXVK) reports NVIDIA GPUs as AMD GPUs by default?
The GPU reporting stuff is a bit of a mess. The stuff you point to only overrides the reporting from DXGI and other D3D interfaces. The hidenvgpu goes further and tries to override the hardware we report in all APIs, including vulkan, setupapi, wbemprox, etc.
Anybody else can't load up to the main menu? Says something about not being able to make a lobby
I'm using steam client beta, linux runtime soldier beta, and proton experimental (default branch).
I could sign in Apex Connect. after that, I got following error screen endlessly...
Network connection error
Failed to host a multiplayer session.
I also got similar error when joining/invited another session.
Replying to https://github.com/ValveSoftware/Proton/issues/4260#issuecomment-963815593
Yep, still having this issue.
Game consistently crashes when ALT-TAB'ing. Happens in stable/experimental Proton.
proton experimentalx3 2021-11proton 5.13-4x1 2020-12PROTON_HIDE_NVIDIA_GPUx1 2020-12PROTON_HIDE_NVIDIA_GPU=1x1 2020-12PROTON_HIDE_NVIDIA_GPU=1 %command%x1 2020-12
Compatibility Report
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.
I couldn't get the Proton log to generate, sorry.
Symptoms
The game gives a warning 'You are playing on an unsupported operation system. This could cause the game to be unstable, or fail from launching. Still continue?
Clicking OK causes the game to crash and the displays error reporter.

Reproduction
Launch the game.