AMD RX6600xt graphics card activate the path tracer will be crashes！

Development Getting Started & Setup
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1

I have r5 2600X+rx6600xt computer。When i running twinmotion2022 using path tracer to export images will be crashes！

"LoginId:d06506ec47be14d1f58041b6c3e4dd5b

EpicAccountId:f0dacead9a0342308dd80141e0db233d

Fatal error: [File:Unknown] [Line: 684] pResource->Map(Subresource, pReadRange, reinterpret_cast<void**>(&pData)) failed at D:\tm\workspace\Release-2022.1\Engine\Source\Runtime\D3D12RHI\Private\D3D12RHIPrivate.h:1185 with error DXGI_ERROR_DEVICE_REMOVED with Reason: DXGI_ERROR_DEVICE_HUNG

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

Twinmotion_Win64_Shipping

kernel32

ntdll"

I have already tried all the solutions that have been posted onTwinmotion website (like changing the Tdrdelay in windows registry) and nothing has helped！

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微信图片_20220117140350
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2

Hello ,

Thank you for posting in the community your issue and we were able to identify a fix to avoid this crash and you can reference this article here:

https://twinmotionhelp.epicgames.com/s/article/Video-Card-GPU-Crash-during-export-using-Path-Tracer-Long-computation-times-TDR

Please check the make sure you have the latest drivers and if you have the Graphic Hardware support option to choose DirectX 12 in the settings menu (Shortcut: Ctrl+P).

if you have 2 GPU on your computer here are the steps to follow to dedicate the right GPU with Twinmotion:

https://twinmotionhelp.epicgames.com/s/article/Use-your-dedicated-GPU-with-Twinmotion-on-a-Windows-computer

Also, please make sure it you are using Window 10 version or newer: 20H2, 21H1 or 21H2. This can be checked in the About menu of your OS settings.

Also check to make sure you do not have the MSI Afterburner and Riva Tuner installed:

https://twinmotionhelp.epicgames.com/s/article/Twinmotion-Can-Crash-due-to-MSI-Afterburner-and-Riva-Tuner

For reference here are the full requirements:

https://twinmotionhelp.epicgames.com/s/article/TwinMotion-System-Requirements

https://twinmotionhelp.epicgames.com/s/article/Path-Tracer-Requirements

If you are still having issues please contact us directly by using the [ contact us ] button from the home page or use this link:

https://twinmotionhelp.epicgames.com/s/case-community-page

Kind regards,

Vincent B.

3

Although it didn't solve any problem, thank you for your answer, the bug of Twinmotion has been there and I can't work properly.