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Fixed in 2020.2.X

Fixed in 2019.3.X, 2020.1.X

Votes

0

Found in

2019.3.0a1

2020.1

2020.1.0b2

2020.2

Issue ID

1228835

Regression

Yes

Crash on Umbra::TileTraverseTree::init<Umbra::StartCellFinder> when entering Play mode or selecting Camera GameObject

Camera

-

Reproduction steps:
1. Open the attached project ("1228835.zip")
2. Open the "School" Scene
3. Enter Play mode or select "Main Camera" GameObject in the Hierarchy

Reproducible with: 2019.3.0a1, 2019.3.6f1, 2020.1.0b2, 2020.2.0a4
Not reproducible with: 2017.4.38f1, 2018.4.19f1, 2019.2.21f1

First lines of the stacktrace:
0x00007FF6848BC109 (Unity) Umbra::TileTraverseTree::init<Umbra::StartCellFinder>
0x00007FF6848CA346 (Unity) Umbra::PortalCuller::init
0x00007FF6848D0738 (Unity) Umbra::Query::queryPortalVisibility
0x00007FF6848DC848 (Unity) UmbraModule::QueryPortalVisibility
0x00007FF6834D8877 (Unity) QueryPortalVisibilityJob

Notes:
- The scene in this example contains multiple areas with Occlusion Culling
- In the versions deemed not reproducible "[Physics.PhysX] QuickHullConvexHullLib::findSimplex: Simplex input points appers to be coplanar." error shows up
- Stacktrace usually isn't printed, but before the crash there's always "Assertion failed on expression: 'userId < staticRenderers.size()'"

  1. Resolution Note (fix version 2020.2):

    Fixed in 2020.2.0a8

  2. Resolution Note (fix version 2020.1):

    Fixed in 2020.1.0b6

  3. Resolution Note (fix version 2019.3):

    Fixed in 2019.3.10f1

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