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Fixed in 2021.2.X

Fixed in 2020.2.X, 2021.1.X

Votes

0

Found in

2020.1.0a18

2020.1.14f1

2020.2

2021.1

Issue ID

1297307

Regression

Yes

Crash on StackAllocator::WalkAllocations when loading another Scene whilst in Play Mode

Scene Management

-

How to reproduce:
1. Open the project attached "1297307.zip"
2. Open any Scene
3. Enter Play Mode
4. Double click other Scene (might take a few tries for repro)

Reproducible with: 2020.1.0a18, 2020.1.17f1, 2020.2.0b14, 2021.1.0a9
Does not reproduce with: 2018.4.30f1, 2019.4.16f1, 2020.1.0a17

Notes:
1. Reproduces on 2020.1.17f1 2/3 times.
2. On older versions than 2020.1.17f1 reproduces very inconsistently (about 1/7 times), stopped reproducing entirely on 2020.1.0a17.
3. Probably an issue with Project Settings, as deleting the folder fixes the issue but manually resetting each Project Setting tab does not.

First lines of stacktrace:
0x00007ff6ec129636 (Unity) TLSAllocator::WalkAllocations
0x00007ff6ec1279a1 (Unity) TLSAllocator::FrameMaintenance
0x00007ff6ec11e2c0 (Unity) MemoryManager::FrameMaintenance
0x00007ff6ec46588b (Unity) `InitPlayerLoopCallbacks'::`2'::PostLateUpdateMemoryFrameMaintenanceRegistrator::Forward
0x00007ff6ec44d38c (Unity) ExecutePlayerLoop
0x00007ff6ec44d463 (Unity) ExecutePlayerLoop
0x00007ff6ec4541e9 (Unity) PlayerLoop

  1. Resolution Note (fix version 2021.2):

    Fixed in 2021.2.0a3

  2. Resolution Note (fix version 2021.1):

    Fixed in 2021.1.0b4

  3. Resolution Note (fix version 2020.2):

    Fixed in 2020.2.4f1

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