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Baking VoxelGI in D3D12 hangs/crashes Godot on a specific mesh #108552

@Andrew-Eathan

Description

@Andrew-Eathan

Tested versions

  • Reproducible in v4.4.stable.mono.official [4c311cb] and v4.4.1.stable.official [49a5bc7]
  • I was going to test it on latest too (v4.5.beta3.mono.official.4d1f26e1f) but the project doesn't even bother opening, it crashes for a separate reason
Image

System information

Godot v4.4.stable.mono - Windows 11 (build 22631) - Multi-window, 2 monitors - Direct3D 12 (Forward+) - dedicated NVIDIA GeForce GTX 1650 (NVIDIA; 32.0.15.7680) - 13th Gen Intel(R) Core(TM) i5-13400F (16 threads)

Issue description

When attempting to bake VoxelGI for a certain mesh on the D3D12 renderer, the console starts spamming a loop of D3D12 errors and often ends up crashing

Screen.Recording.2025-07-12.192507.mp4
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Steps to reproduce

  1. Find the VoxelGI in the node_3d scene
  2. Press Bake VoxelGI

For the second crash: just try to open the project on the specified latest version

Minimal reproduction project (MRP)

MRP:
voxelgicrash.zip

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