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Third Party Issue

Under Consideration for 4.1.X

Votes

0

Found in [Package]

4.1.2

Issue ID

OXPB-142

Regression

No

[Quest] Editor crashes on ovrp_UnityOpenXR_OnSessionDestroy with a specific project when entering the Play Mode for the second time without VR connected

Package: Oculus XR Plugin

-

Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/BorderDemo.unity” Scene
3. Enter the Play Mode
4. Exit the Play Mode
5. Repeat step 3

Expected result: Editor does not crash and continues to run
Actual result: Editor crashes

Reproducible with: 2021.3.35f1, 2022.3.20f1, 2023.2.11f1, 2023.3.0b8

Reproducible on: Windows 10 Enterprise 21H2
Not reproducible on: No other environment tested

First few lines of the Stacktrace:
{{0x00007FFAB912882F (OVRPlugin) ovrp_UnityOpenXR_OnSessionDestroy}}
{{0x00007FFAB9121CF9 (OVRPlugin) ovrp_UnityOpenXR_OnSessionDestroy}}
{{0x00007FFAB9152724 (OVRPlugin) ovrp_UnityOpenXR_OnSessionDestroy}}
{{0x00007FFAB90E3ED9 (OVRPlugin) ovrp_Initialize7}}
{{0x00007FFB14173AE7 (OculusXRPlugin) XRSDKPreInit}}

Notes:
- Only reproduces without VR connected

  1. Resolution Note:

    This issue is caused by the Vive Input Utility's project validator tool. It will enable OpenXR even if another loader is already active, which is not allowed by Unity. We have reported this issue to HTC: https://github.com/ViveSoftware/ViveInputUtility-Unity/issues/272

    The workaround is to go to XR Plugin Management and ensure that only one loader is checked.

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