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Question by ZenUnity · Jan 08, 2020 at 09:51 PM · vrsteam

OpenVR Error: VRInitError_IPC_CompositorConnectFailed

I am running my own VR compositor and it is for some reason it is breaking other unrelated SteamVR systems such as input from controllers. I believe it is linked to the following error I get when loading Unity with my compositor running:

 XR: OpenVR Error! OpenVR failed initialization with error code VRInitError_IPC_CompositorConnectFailed: "Shared IPC Compositor Connect Failed (306)"!
 0x00007FF771A53FBC (Unity) StackWalker::GetCurrentCallstack
 0x00007FF771A57491 (Unity) StackWalker::ShowCallstack
 0x00007FF7702E5B15 (Unity) GetStacktrace
 0x00007FF77260BF0B (Unity) DebugStringToFile
 0x00007FF76F775479 (Unity) OpenVR::GetVRSystemInterface
 0x00007FF76F774F5E (Unity) OpenVR::GetGraphicsAdapterIdCallback
 0x00007FF76F6CE528 (Unity) VRDevice::GetAdapterId
 0x00007FF7709C44C2 (Unity) InitializeD3D11
 0x00007FF7709BF679 (Unity) CreateD3D11GfxDevice
 0x00007FF770205D33 (Unity) CreateRealGfxDevice
 0x00007FF770A332F0 (Unity) CreateClientGfxDevice
 0x00007FF7702057A3 (Unity) CreateGfxDevice
 0x00007FF7702076BE (Unity) InitializeGfxDevice
 0x00007FF771494EA4 (Unity) InitializeEngineGraphics
 0x00007FF76FA4910E (Unity) Application::InitializeProject
 0x00007FF7702EF7D3 (Unity) WinMain
 0x00007FF772FA6B02 (Unity) __scrt_common_main_seh
 0x00007FFC1B867BD4 (KERNEL32) BaseThreadInitThunk
 0x00007FFC1D80CED1 (ntdll) RtlUserThreadStart

Is there some way I can get OpenVR to bypass initialization of the default compositor when starting Unity?

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