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microsoft / MixedRealityToolkit-Unity

This repository is for the legacy Mixed Reality Toolkit (MRTK) v2. For the latest version of the MRTK please visit https://github.com/MixedRealityToolkit/MixedRealityToolkit-Unity
https://aka.ms/mrtkdocs
MIT License
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[MRTK3] VR system slows down after debugger attached #10818

Closed eusebiu closed 2 years ago

eusebiu commented 2 years ago

This issue has been migrated a new MRTK repository, and the status of this issue will now be tracked at the following location:

Describe the bug

After attaching the VS debugger on a MRTK3 project, the VR system slows down considerably. The only way to get back is to reboot the computer.

To reproduce

Steps to reproduce the behavior:

  1. Attach VS debugger on MRTK3 project
  2. Stop at a breakpoint
  3. Continue
  4. Stop debugger
  5. VR is stuttering

Expected behavior

VR is not stuttering.

Your setup

Target platform

Zee2 commented 2 years ago

Thanks for reporting this! Do you have any other VR device to repro with?

eusebiu commented 2 years ago

I noticed this happens on MRTK2 also if I leave it running for some time with the debugger attached and then I try to reattach. When this happens, it breaks down. Edition Windows 10 Enterprise Version 20H2 Installed on ‎25-‎May-‎22 OS build 19042.1826 Experience Windows Feature Experience Pack 120.2212.4180.0 NVIDIA Quadro RTX 5000 with Max-Q Design 16GB.

I have a feeling this started to happen after this Windows Update (as I did not do any VR lately).

eusebiu commented 2 years ago

I noticed that when this started to happen, I get this message in the Console: Physics.ClosestPoint can only be used with a BoxCollider, SphereCollider, CapsuleCollider and a convex MeshCollider. UnityEngine.Collider:ClosestPoint (UnityEngine.Vector3) Microsoft.MixedReality.Toolkit.Input.ReticleMagnetism:Update () (at Library/PackageCache/com.microsoft.mrtk.input@cae224c3445a/Interactors/InteractorVisuals/ReticleMagnetism.cs:152)

I am not using ReticleMagnetism at all... or I am not aware of using it...

eusebiu commented 2 years ago

Thanks for reporting this! Do you have any other VR device to repro with?

Only Oculus.

eusebiu commented 2 years ago

I think it is related to Oculus runtime... Their log is full of Frame dropped due to encoder backup...