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Fixed in 2019.3

Fixed in 2017.4, 2018.4, 2019.2

Votes

1

Found in

2017.3.0a1

2018.3.0a1

2018.3.0f2

2019.1.0a1

2019.2.0a1

Issue ID

1115371

Regression

No

[XR] WindowsMR project crashes when enabling XRSettings for a second time

XR

-

Steps to reproduce:
1. Download 1115371_repro.zip project
2. Switch platform to UWP
3. Build "SampleScene" scene
4. Open Visual Studios solution and build project (Debug, x64, Local machine)
5. App automatically enables and disables XRSettings every 10 seconds

Results: When enabling XR for second-time app crashes

Exception thrown at 0x00007FFD27715299 (KernelBase.dll) in New Unity Project (2).exe: WinRT originate error - 0x8000000E : 'An attempt was made to acquire a buffer before it became available. Present() must be called before attempting to acquire this buffer.'.

Reproduced with: 2019.2.0a1, 2019.1.0a13, 2018.3.2f1, 2017.4.18f1
Not reproducible with OpenVR SDK on Stanalone platform

Call Stack:
> UnityPlayer.dll!VREyeTextureManager::ResolveDepthToEyeTextures(class RenderTexture *,class RenderTexture *) Unknown
UnityPlayer.dll!VRDevice::ResolveColorAndDepthToEyeTextures(class StereoRenderTexture const &,bool) Unknown
UnityPlayer.dll!CameraStackRenderingState::EndStereoRendering(void) Unknown
UnityPlayer.dll!RenderManager::RenderCameras(int,void (*)(void),void (*)(void)) Unknown
UnityPlayer.dll!PlayerRender(bool) Unknown
UnityPlayer.dll!`InitPlayerLoopCallbacks'::`2'::PostLateUpdateFinishFrameRenderingRegistrator::Forward() Unknown
UnityPlayer.dll!ExecutePlayerLoop(struct NativePlayerLoopSystem *) Unknown
UnityPlayer.dll!ExecutePlayerLoop(struct NativePlayerLoopSystem *) Unknown
UnityPlayer.dll!PlayerLoop(void) Unknown
UnityPlayer.dll!UnityPlayer::AppCallbacks::DoPerformUpdateAndRender(void) Unknown
UnityPlayer.dll!UnityPlayer::AppCallbacks::_AppThreadImplementation(void *) Unknown
kernel32.dll!BaseThreadInitThunk() Unknown
ntdll.dll!RtlUserThreadStart() Unknown

  1. Response avatar

    Resolution Note (fix version 2019.3):

    Fix null deref issues (and protect other access points that were unprotected).

  2. Response avatar

    Resolution Note (fix version 2019.2):

    Backport

  3. Response avatar

    Resolution Note (fix version 2018.4):

    Backport

  4. Response avatar

    Resolution Note (fix version 2017.4):

    Backport

Comments (4)

  1. 4b08198a66647018fa9d6b61a799fa38?d=mm

    IElectric

    Jul 05, 2019 18:48

    Hello, I know that on Unity 2018.4 the issue is fixed, any plan to fix the same on Unity 2019.1 or next version ? Please, let me know, thank you, Best regards...

  2. 4b08198a66647018fa9d6b61a799fa38?d=mm

    IElectric

    Apr 29, 2019 18:51

    Hello, I have found that the Unity 2019.1 still have the same issue, can you suggest me a workaround until the problem will be fixed ? I'm sorry but with this issue I can't update my game on Microsoft Store because it doesn't pass the certification, thank you a lot, Best regards...

  3. 4b08198a66647018fa9d6b61a799fa38?d=mm

    IElectric

    Jan 20, 2019 09:59

    Hello, any news about this issue ? there is a workaround, like to call a Windows Runtime function before enable XR, in the mean time ? thank you very much, Best regards...

  4. 4b08198a66647018fa9d6b61a799fa38?d=mm

    IElectric

    Jan 20, 2019 09:55

    Hello, any news about this issue ? there is a workaround, like to call a Windows Runtime function before enable XR, in the mean time ? thank you very much, Best regards...

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