Developer Notes

Some causes of this crash have been fixed with 4.14.2 hotfix. However, other causes are still under investigation. For ongoing crashes, a new ticket has been logged: UE-40773.

Description

This is a new D3D crash affecting multiple users in 4.14 Preview 1. It is currently the #1 crash in the Preview.

Information provided by users:

  • Just pressed create project...
  • Openning QA Game with -OpenGL4
  • detach particles
  • (translated) On the detail menu of a mesh, to change the material, its plant

Small sampling of affected GPUs:

  • NVIDIA GeForce GTX 570
  • NVIDIA GeForce GTX 560
  • NVIDIA GeForce GTX 780
  • NVIDIA GeForce GTX 1080
  • NVIDIA GeForce GTX 1070
Steps to Reproduce

Repro steps currently unknown. Users have provided different, seemingly unrelated information.

Callstack

Fatal error: [Link Removed] [Line: 176] Unreal Engine is exiting due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')

UE4Editor_D3D11RHI!TerminateOnDeviceRemoved() d3d11util.cpp:176
UE4Editor_D3D11RHI!VerifyD3D11Result() d3d11util.cpp:225
UE4Editor_D3D11RHI!FD3D11Viewport::PresentChecked() d3d11viewport.cpp:269
UE4Editor_D3D11RHI!FD3D11Viewport::Present() d3d11viewport.cpp:450
UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHIEndDrawingViewport() d3d11viewport.cpp:554
UE4Editor_RHI!FRHICommandList::EndDrawingViewport() rhicommandlist.cpp:1344
UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindow_RenderThread() slaterhirenderer.cpp:486
UE4Editor_SlateRHIRenderer!TGraphTask<`FSlateRHIRenderer::DrawWindows_Private'::`35'::EURCMacro_SlateDrawWindowsCommand>::ExecuteTask() taskgraphinterfaces.h:868
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() taskgraph.cpp:932
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() taskgraph.cpp:679
UE4Editor_RenderCore!RenderingThreadMain() renderingthread.cpp:320
UE4Editor_RenderCore!FRenderingThread::Run() renderingthread.cpp:454
UE4Editor_Core!FRunnableThreadWin::Run() windowsrunnablethread.cpp:74

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Fixed
ComponentUE - Graphics Features
Affects Versions4.144.15
Target Fix4.15
Fix Commit3238182
CreatedOct 31, 2016
ResolvedJan 9, 2017
UpdatedApr 27, 2018