Crash due to D3D device being lost. (Error: 0x887A0006 - 'HUNG')

This JIRA has been made to consolidate all "D3D device being lost. (Error: 0x887A0006 - 'HUNG')" crashes into one. Previous Jira tickets include:

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Most of these JIRAs link to different CrashGroups in CrashReporter which all have slightly different Callstacks.

These crashes gained widespread frequency starting with the 4.14 Preview (a regression from 4.13) and have consistently remained as the #1 crash based on submitted crash data. One fix was made in 4.14.2 for a specific repro case (CL 3237597) but that did not resolve the overall issue.

Affected GPUs are varied, including:

• GeForce GTX 1060
• GeForce GTX 780
• GeForce GTX 560 Ti
• Radeon RX 480
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Some affected users claim that the following workarounds have helped them:

• Disabling Real-Time Thumbnails
• Running the engine with -dx12
• Running the engine with -opengl4
• Using Forward Rendering
• Setting GRHINeedsExtraDeletionLatency=1 for DX11

Some specific crashes have been reproduced internally by Engine Support, but in other cases the repro steps are currently unknown. The crashes seems dependent on hardware and load placed on the GPU, without a single specific repro case. Please reach out to the Engine Support Technician team for more details, or review repro steps on the additional linked Jiras.

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:275
UE4Editor_D3D11RHI!FD3D11Viewport::Present() d3d11viewport.cpp:458
UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHIEndDrawingViewport() d3d11viewport.cpp:562
UE4Editor_RHI!FRHICommandList::EndDrawingViewport() rhicommandlist.cpp:1347
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

OTHER CALLSTACKS ALSO INCLUDE LINES:

• UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHICreateVertexBuffer() d3d11vertexbuffer.cpp:77
• UE4Editor_D3D11RHI!FD3D11DynamicRHI::RHIReadSurfaceFloatData() d3d11rendertarget.cpp:1176
• UE4Editor_D3D11RHI!FD3D11DynamicRHI::ReadSurfaceDataNoMSAARaw() d3d11rendertarget.cpp:601
• UE4Editor_D3D11RHI!FD3D11DynamicRHI::GetQueryData() d3d11query.cpp:135

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