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Fixed in 2021.3.14f1

Fixed in 2021.3.X, 2022.1.X, 2022.2.X, 2023.1.X, 2023.1.0a15

Votes

0

Found in

2021.3.9f1

2022.1.14f1

2022.2.0b5

2023.1.0a6

Issue ID

UUM-13031

Regression

No

Crash on mono_traverse_objects when using AppDomain.Unload and trying to load dll file

Mono

-

Reproduction steps:
1. Open the user's attached project
2. Open the "Main" Scene
3. Enter Play Mode
4. Press 'Q' when the scene fully loads
5. Wait for a few seconds until IOException is thrown in the Console
6. Exit Play Mode

Expected result: Play Mode is exited successfully
Actual result: The Editor crashes

Reproducible with: 2021.3.9f1, 2022.1.14f1, 2022.2.0b5, 2023.1.0a6

Reproducible on: Windows 11

Notes:
- may take a few times for the crash to reproduce
- 'IOException: Win32 IO returned 1224.' is thrown after pressing the 'Q' button on keyboard

First lines of stacktrace:
0x00007ffcb8a52af1 (mono-2.0-bdwgc) \[unity-liveness.c:482] mono_traverse_objects
0x00007ffcb8a52af1 (mono-2.0-bdwgc) \[unity-liveness.c:482] mono_traverse_objects
0x00007ffcb8a52b3a (mono-2.0-bdwgc) \[unity-liveness.c:482] mono_traverse_objects
0x00007ffcb8a53b01 (mono-2.0-bdwgc) \[unity-liveness.c:684] mono_unity_liveness_calculation_from_statics
0x00007ff6f34fad00 (Unity) GarbageCollectSharedAssets

  1. Resolution Note (fix version 2023.1):

    Fixed in: 2023.1.0a15

  2. Resolution Note (fix version 2022.2):

    Fixed in: 2022.2.0b11

  3. Resolution Note (fix version 2021.3):

    Fixed in: 2021.3.14f1

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