Compatibility Report

• Name of the game with compatibility issues: No Man's Sky
• Steam AppID of the game: 275850

System Information

• GPU: NVIDIA GeForce RTX 5080

• Video driver version: NVIDIA 610.43.02 (Open Kernel Module)

• Kernel version: Reproduced on both CachyOS mainline 7.x and CachyOS LTS 6.18.x kernels

• Link to full system information report as Gist: System Information

• Proton version:

  • Proton Experimental
  • Proton 10

steam-275850.log

Symptoms

No Man's Sky crashes while loading a save or within a few seconds of entering gameplay whenever Wine hardware scheduling is enabled.

Stable launch options:

PROTON_ENABLE_NVAPI=1 PROTON_HIDE_NVIDIA_GPU=0 %command%

Crashing launch options:

WINE_DISABLE_HARDWARE_SCHEDULING=0 PROTON_ENABLE_NVAPI=1 PROTON_HIDE_NVIDIA_GPU=0 %command%

The crash occurs even when:

• DLSS is disabled
• Frame Generation is disabled
• MangoHud is not running
• GameMode is not running
• Gamescope is not being used

Observed crash codes:

169265_0xDF44-HANG_ST76561197998349220
169265_0xD682-HANG_ST76561197998349220

Additional observations:

• NVAPI works correctly without hardware scheduling.
• DLSS Super Resolution works correctly.
• No NVRM Xid events are reported in kernel logs.
• No GPU reset or device-lost event is observed.

Control test:

Using the same launch options, Hogwarts Legacy successfully runs with DLSS Frame Generation enabled for at least 10 minutes without instability:

WINE_DISABLE_HARDWARE_SCHEDULING=0 PROTON_ENABLE_NVAPI=1 PROTON_HIDE_NVIDIA_GPU=0 %command%

This suggests that Wine hardware scheduling, NVAPI, and NVIDIA Frame Generation function on this system generally, and that the issue is specific to No Man's Sky.

Reproduction

1. Install No Man's Sky.
2. Use any of the tested Proton versions.
3. Set launch options:

WINE_DISABLE_HARDWARE_SCHEDULING=0 PROTON_ENABLE_NVAPI=1 PROTON_HIDE_NVIDIA_GPU=0 %command%

1. Start the game.
2. Load an existing save.
3. Wait several seconds or perform normal gameplay.

Expected result:

• Game remains stable and Frame Generation can be used.

Actual result:

• Game crashes with a HANG error shortly after loading into gameplay.

Attachments

Attached:

• steam-275850.log generated with:

PROTON_LOG=1 WINEDEBUG=+timestamp,+pid,+tid,+seh,+unwind,+threadname,+debugstr,+loaddll DXVK_LOG_LEVEL=debug DXVK_NVAPI_LOG_LEVEL=debug WINE_DISABLE_HARDWARE_SCHEDULING=0 PROTON_ENABLE_NVAPI=1 PROTON_HIDE_NVIDIA_GPU=0 %command%

• Kernel log excerpt showing no NVRM Xid events.
• Steam System Information report.

steam-275850.log