When I launch the game, I get to the following error (see attached image). I have tried Proton Experimental, Proton Hotfix, Proton-GE and Proton-CachyOS, all latest versions.

Software information

Forza Horizon 6 on Steam

System information

• OS: Debian 13, fully updated.
• GPU: Intel Iris XE on Intel I5-1145G7
• Driver info: name of display: :0
  display: :0 screen: 0
  direct rendering: Yes
  Extended renderer info (GLX_MESA_query_renderer):
  Vendor: Intel (0x8086)
  Device: Mesa Intel(R) Iris(R) Xe Graphics (TGL GT2) (0x9a49)
  Version: 25.0.7
  Accelerated: yes
  Video memory: 7692MB
  Unified memory: yes
  Preferred profile: core (0x1)
  Max core profile version: 4.6
  Max compat profile version: 4.6
  Max GLES1 profile version: 1.1
  Max GLES[23] profile version: 3.2
  OpenGL vendor string: Intel
  OpenGL renderer string: Mesa Intel(R) Iris(R) Xe Graphics (TGL GT2)
  OpenGL core profile version string: 4.6 (Core Profile) Mesa 25.0.7-2
  OpenGL core profile shading language version string: 4.60
  OpenGL core profile context flags: (none)
  OpenGL core profile profile mask: core profile

OpenGL version string: 4.6 (Compatibility Profile) Mesa 25.0.7-2
OpenGL shading language version string: 4.60
OpenGL context flags: (none)
OpenGL profile mask: compatibility profile

OpenGL ES profile version string: OpenGL ES 3.2 Mesa 25.0.7-2
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20

• Wine version: None, using latest proton runtimes.
• VKD3D-Proton version: Bundled with the mentioned proton versions.

Log files

The provided log is a short 200 line excerpt from the full log. The full log is 4.7GB. If needed, I can provide it.

tail_failure.log