command Setting when PIE

Development Rendering
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1

hi,
when we run the game (with ray tracing on), we got these settings in every Frame. we didn’t set it explicitly, not in C++ and not in Blueprint. we don’t know where it come from.

[2020.11.26-05.35.20:550][223]Cmd: r.RayTracing.InstancedStaticMeshes.Culling 0
[2020.11.26-05.35.20:550][223]r.RayTracing.InstancedStaticMeshes.Culling = "0"
[2020.11.26-05.35.20:616][224]Cmd: r.RayTracing.InstancedStaticMeshes.Culling 0
[2020.11.26-05.35.20:616][224]r.RayTracing.InstancedStaticMeshes.Culling = "0"
[2020.11.26-05.35.21:150][225]Cmd: r.RayTracing.InstancedStaticMeshes.Culling 0
[2020.11.26-05.35.21:150][225]r.RayTracing.InstancedStaticMeshes.Culling = "0"
[2020.11.26-05.35.21:275][226]Cmd: r.RayTracing.InstancedStaticMeshes.Culling 0
[2020.11.26-05.35.21:275][226]r.RayTracing.InstancedStaticMeshes.Culling = "0"
[2020.11.26-05.35.21:928][227]Cmd: r.RayTracing.InstancedStaticMeshes.Culling 0
[2020.11.26-05.35.21:928][227]r.RayTracing.InstancedStaticMeshes.Culling = "0"
2

by the way we have over 500 skeletal meshes, it crashes with the error at D:/Build/++UE4/Sync/Engine/Source/Runtime/D3D12RHI/Private/D3D12Resources.cpp:391
with error DXGI_ERROR_DEVICE_REMOVED with Reason: DXGI_ERROR_DEVICE_HUNG

[2020.11.26-05.35.24:009][228]LogD3D12RHI: Error: [GPUBreadCrumb] Last tracked GPU operations:
[2020.11.26-05.35.24:009][228]LogD3D12RHI: Error: [GPUBreadCrumb]	3D Queue 0 - End: Frame 9225 - WorldTick - Skinning010 Chunk=6 InStreamStart=40945 OutStart=40945 Vert=563 Morph=0/0
[2020.11.26-05.35.24:009][228]LogD3D12RHI: Error: [GPUBreadCrumb]	Compute Queue 0 - No Data
[2020.11.26-05.35.24:009][228]LogD3D12RHI: Error: [GPUBreadCrumb]	Copy Queue 0 - No Data
[2020.11.26-05.35.25:928][228]LogD3D12RHI: Error: hr failed 
 at D:/Build/++UE4/Sync/Engine/Source/Runtime/D3D12RHI/Private/D3D12Resources.cpp:391 
 with error DXGI_ERROR_DEVICE_REMOVED with Reason: DXGI_ERROR_DEVICE_HUNG