UE crashing on startup when Oculus Rift DK2 activated

Development Platform & Builds
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1

Hey! For some reason I’m crashing when my DK2 is activated to direct mode? DXDIAG attached. link text

Fatal error!

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0x00000000

OVRDisplayRT64.dll!UnknownFunction (0x00007ffa92da5905) + 0 bytes [UnknownFile:0]
UE4Editor-D3D11RHI.dll!FD3D11Viewport::FD3D11Viewport() (0x00007ffa7b741a41) + 48 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\windows\d3d11rhi\private\windows\windowsd3d11viewport.cpp:61]
UE4Editor-D3D11RHI.dll!FD3D11DynamicRHI::RHICreateViewport() (0x00007ffa7b76d858) + 63 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\windows\d3d11rhi\private\d3d11viewport.cpp:461]
UE4Editor-RHI.dll!RHICreateViewport() (0x00007ffa90b574fc) + 140 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\rhi\public\rhimethods.h:1463]
UE4Editor-SlateRHIRenderer.dll!FSlateRHIRenderer::CreateViewport() (0x00007ffa7b5b8f0d) + 31 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slaterhirenderer\private\slaterhirenderer.cpp:266]
UE4Editor-SlateCore.dll!SWindow::ShowWindow() (0x00007ffa806d0b27) + 105 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\slatecore\private\widgets\swindow.cpp:1087]
UE4Editor-MainFrame.dll!FMainFrameHandler::ShowMainFrameWindow() (0x00007ffa6eeec13a) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\mainframe\private\frame\mainframehandler.h:205]
UE4Editor-MainFrame.dll!FMainFrameModule::CreateDefaultMainFrame() (0x00007ffa6eeca997) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\mainframe\private\mainframemodule.cpp:202]
UE4Editor-UnrealEd.dll!EditorInit() (0x00007ffa7f6ae807) + 13 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\editor\unrealed\private\unrealed.cpp:115]
UE4Editor.exe!GuardedMain() (0x00007ff72363249e) + 0 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:133]
UE4Editor.exe!GuardedMainWrapper() (0x00007ff7236326ea) + 5 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor.exe!WinMain() (0x00007ff723642219) + 17 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor.exe!__tmainCRTStartup() (0x00007ff723643159) + 21 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]
KERNEL32.DLL!UnknownFunction (0x00007ffaa22013d2) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffaa47ce954) + 0 bytes [UnknownFile:0]
ntdll.dll!UnknownFunction (0x00007ffaa47ce954) + 0 bytes [UnknownFile:0]

2

Hello eoghank,

I have a few question that will help narrow down what issue it is that you are experiencing.

  1. What version of the engine are you using?
  2. Does this happen for all projects?
  3. Are you running the engine on a laptop?
  4. Are you receiving any errors (other than the crash report)?
  5. If so, could you provide them?
3

Hello eoghank,

We have not heard back from you in a few days, so we are marking this post as Resolved for tracking purposes. If you are still experiencing the issue you reported, please respond to this message with additional information and we will offer further assistance.

Thank you.