Ongoing D3D 'HUNG' crash in FD3D11DynamicRHI::GetQueryData

  161       
  162       const TCHAR* Reason = TEXT("?");
  163       switch (hRes)
  164       {
  165       case DXGI_ERROR_DEVICE_HUNG:Reason = TEXT("HUNG"); break;
  166       case DXGI_ERROR_DEVICE_REMOVED:Reason = TEXT("REMOVED"); break;
  167       case DXGI_ERROR_DEVICE_RESET:Reason = TEXT("RESET"); break;
  168       case DXGI_ERROR_DRIVER_INTERNAL_ERROR:Reason = TEXT("INTERNAL_ERROR"); break;
  169       case DXGI_ERROR_INVALID_CALL:Reason = TEXT("INVALID_CALL"); break;
  170       case S_OK:Reason = TEXT("S_OK"); break;
  171       }
  172       
  173       // We currently don't support removed devices because FTexture2DResource can't recreate its RHI resources from scratch.
  174       // We would also need to recreate the viewport swap chains from scratch.
  175 ***** UE_LOG(LogD3D11RHI, Fatal, TEXT("Unreal Engine is exiting due to D3D device being lost. (Error: 0x%X - '%s')"), hRes, Reason);
  176       }
  177       else
  178       {
  179       UE_LOG(LogD3D11RHI, Fatal, TEXT("Unreal Engine is exiting due to D3D device being lost. D3D device was not available to assertain DXGI cause."));
  180       }
  181       
  182       // Workaround for the fact that in non-monolithic builds the exe gets into a weird state and exception handling fails. 
  183       // @todo investigate why non-monolithic builds fail to capture the exception when graphics driver crashes.
  184       #if !IS_MONOLITHIC
  185       FPlatformMisc::RequestExit(true);
  186       #endif
  187       }
  188       }
  189       
  190       static void TerminateOnOutOfMemory(HRESULT D3DResult, bool bCreatingTextures)

UE4Editor_D3D11RHI!TerminateOnDeviceRemoved() [d3d11util.cpp:176]
UE4Editor_D3D11RHI!VerifyD3D11Result() [d3d11util.cpp:225]
UE4Editor_D3D11RHI!FD3D11DynamicRHI::GetQueryData() [d3d11query.cpp:135]
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]