Summary

Arc Raiders (Unreal Engine 5) crashes with vkCreateComputePipelines assertion in Wine/Proton

System Information

• GPU: AMD RX 6700 XT (NAVI22)
• Driver: Mesa 25.1.5 (RADV)
• Kernel: 6.17.4-76061704-generic
• Proton: 10.0-3 / Hotfix

Problem

Game crashes on startup with:

Exception 0xc0000005 at libvulkan_radeon.so + 0x4e2d71
err:msvcrt:_wassert "!status && "vkCreateComputePipelines""
winevulkan/loader_thunks.c:3046

The vkCreateComputePipelines Vulkan call fails in RADV driver.

Steps to Reproduce

1. Install Arc Raiders (Steam AppID: 1808500) via Proton
2. Launch game
3. Immediate crash

Notes

• Game worked yesterday, broken today
• All Proton versions affected (10.0, Hotfix, GE-Proton10-25, Experimental)
• No system updates between working/broken state