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Won't Fix

Votes

0

Found in

2019.3.0a9

2019.4

2019.4.9f1

2020.1

2020.2

2021.1

Issue ID

1297721

Regression

Yes

A hard stack overflow happens when raycasting vs a dense mesh in BV4_ProcessStreamKajiyaOrderedQ

Physics

-

How to reproduce:
1. Open the user's attached "BrokenMeshRepro.zip" project
2. Open the "SampleScene" Scene
3. Drag the mouse on "BrokenMesh" GameObject to Raycast it

Expected result: No crash occurs
Actual result: Editor crashes

Reproducible with: 2019.3.0a9, 2019.4.16f1, 2020.1.17f1, 2020.2.0f1, 2021.1.0a10
Not reproducible with: 2018.4.30f1, 2019.3.0a8

Notes:
- Editor also crashes when opening the Physics Debugger and checking the Collision Geometry property
- The issue is reproducible in both Play Mode and in Build

WORKAROUND: Disable "Use Fast Midphase" option on such meshes.

  1. Response avatar

    Resolution Note:

    A workaround is available but the real fix is expected to come with PhysX 5 that is not yet out.

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