The game crashes when starting the benchmark or continue the game from the main menu. A dialog pops up with a Segmentation Fault (signal 11) message and a crash dump is created. Using latest Oibaf ppa Mesa git. The game did work four days ago but not after Mesa update. This Vulkan demo works fine: http://nonfatmatt.blogspot.com/2018/07/new-demo-for-testing-unreal-engine-4-in.html My System: Host: ryzenpc Kernel: 4.18.0-rc1+ x86_64 bits: 64 Desktop: Xfce 4.12.4 Distro: Debian GNU/Linux buster/sid Machine: Type: Desktop Mobo: ASUSTeK model: PRIME B350M-K v: Rev X.0x serial: <root required> UEFI: American Megatrends v: 4011 date: 04/19/2018 CPU: 6-Core: AMD Ryzen 5 1600 type: MT MCP speed: 2727 MHz Graphics: Card-1: AMD Baffin [Polaris11] driver: amdgpu v: kernel Display: x11 server: X.Org 1.20.0 driver: amdgpu,ati unloaded: fbdev,modesetting,vesa resolution: 1920x1080~60Hz OpenGL: renderer: Radeon RX 560 Series (POLARIS11 DRM 3.27.0 4.18.0-rc1+ LLVM 6.0.1) v: 4.5 Mesa 18.3.0-devel
Deleting all folders and files in the ~/.cache/mesa_shader_cache/ folder fixes this bug.
(In reply to fin4478 from comment #1) > Deleting all folders and files in the ~/.cache/mesa_shader_cache/ folder > fixes this bug. This should never be required. There is likely a subtle bug somewhere, this bug is probably related to bug 105904
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