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Under Consideration for 6000.4.X
Votes
1
Found in
6000.0.70f1
6000.3.11f1
6000.4.0b12
Issue ID
UUM-137147
Regression
No
[IL2CPP] Application hangs when Assembly.GetName() is called from multiple threads
How to reproduce:
1. Open the attached “AssemblyGetNameRepro.zip” project
2. Build and run the Player with Android as the selected platform
3. Observe the Player
Actual result: The Player hangs on startup
Expected result: The application quits
Reproducible with: 2023.1.0a3, 6000.0.70f1, 6000.3.11f1, 6000.4.0b12, 6000.5.0a1
Not reproducible with: 6000.5.0a8
Fixed in: 6000.5.0a2
Reproducible on: Windows 11 (User reported)
Not reproducible on: macOS Sequoia 15.7.2 (M1 Max), Windows 11 Pro (24H2) (locally)
Reproducible with these devices:
VLNQA00611, Samsung Galaxy S24 Ultra (SM-S928B), Android 14, CPU: Qualcomm SM8650-AB Snapdragon 8 Gen 3, GPU: Adreno 750
VLNQA00529, Google Pixel 4 (Pixel 4), Android 10, CPU: Snapdragon 855 SM8150, GPU: Adreno 640
VLNQA00468, HUAWEI P40 Pro (Global) (ELS-NX9), Android 10, CPU: HiSilicon Kirin 990 5G, GPU: Mali-G76
VLNQA00172 , Samsung Galaxy S8 (SM-G950F), Android 9, CPU: Exynos 9 Octa 8895, GPU: Mali-G71
VLNQA00395 - iPhone 13 (MLPJ3ET/A), CPU: Apple A15 Bionic, OS: 18.3
Notes:
- The issue does not always reproduce
- Does not reproduce on Mono
- Occasionally the Player crashes
- Could not reproduce on Windows/Mac
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Alan-Liu
Mar 26, 2026 05:40
Related forum thread: https://discussions.unity.com/t/hang-crash-in-the-il2cpp-build-when-assembly-getname-is-called-from-multiple-threads/1695718