595.71.05 breaks Crimson Desert

[Luquatic]

NVIDIA Open GPU Kernel Modules Version

595.71.05

Please confirm this issue does not happen with the proprietary driver (of the same version). This issue tracker is only for bugs specific to the open kernel driver.

• I confirm that this does not happen with the proprietary driver package.

Operating System and Version

Arch Linux

Kernel Release

Linux jessey-arch 7.0.3-arch1-2 #1 SMP PREEMPT_DYNAMIC Fri, 01 May 2026 15:49:22 +0000 x86_64 GNU/Linux

Please confirm you are running a stable release kernel (e.g. not a -rc). We do not accept bug reports for unreleased kernels.

• I am running on a stable kernel release.

Hardware: GPU

GPU 0: NVIDIA GeForce RTX 5090 (UUID: GPU-13eb7ee0-a8de-2398-933a-c8f37f01a79e)

Describe the bug

I'm unable to play Crimson Desert with version 595.71.05, the game works on version 595.58.03

ValveSoftware/Proton#9595 (comment)

To Reproduce

boot the game Crimson Desert though Steam
use the latest cachyos-proton proton-cachyos Version 10.0-20260429

PROTON_DLSS_UPGRADE=1 PROTON_ENABLE_WAYLAND=1 PROTON_ENABLE_HDR=1 PROTON_VKD3D_HEAP=1 VKD3D_CONFIG=enable_experimental_features,descriptor_heap %command%

Bug Incidence

Always

nvidia-bug-report.log.gz

Summary of Skipped Sections:

Skipped Component | Details

acpidump output | acpidump not found

mst output | mst not found

nvlsm-bug-report.sh output | nvlsm-bug-report.sh not found

Summary of Errors:

Error Component | Details | Resolution

More Info

No response