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Votes
2
Found in
2019.1.0a12
2019.3
2019.3.14f1
2019.4
2020.1
2020.2
Issue ID
1251505
Regression
Yes
[Android] Crash on armv7 IL2CPP Build when using Custom Compression
Reproduction steps:
1. Open the attached "1251505.zip" project
2. Build and Run on a device that supports armv7 Target Architecture
Reproducible with: 2019.1.0a12, 2019.2.21f1, 2019.3.16f1, 2019.4.0f1, 2020.1.0b12, 2020.2.0a14
Not reproducible with: 2018.4.23f1, 2019.1.0a11
Reproducible on:
VLNQA00314, Lge Nexus 5X (Nexus 5X), Android 8.0.0, CPU: Snapdragon 808, GPU: Adreno (TM) 418
VLNQA00069, Motorola Moto G (5) Plus (Moto G (4)), Android 7.0, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 405
VLNQA00052, Xiaomi MI MAX (MI MAX), Android 7.0, CPU: Snapdragon 617 MSM8952, GPU: Adreno (TM) 510
VLNQA00320, Xiaomi - (Redmi Note 8 Pro), Android 9, CPU: MediaTek Helios G90T MT6785T, GPU: Mali-G76 MC4
Not reproducible on:
iPad 9.7 (2018) 6th gen (iOS 12.1)
iPad Air 2 (iOS 11.0.3)
iPhone 8 Plus (iOS 12.0)
iPhone XR (iOS 13.4.1)
Notes:
-Does not reproduce when building in Mono or IL2CPP (arm64)
First few lines of stacktrace:
07-04 16:10:04.653 8622 8637 I Unity : ====== Compressing font using the device..===== bytes=4845972
07-04 16:10:04.653 8622 8637 I Unity : UnityEngine.Logger:Log(LogType, Object)
07-04 16:10:04.653 8622 8637 I Unity : System.Runtime.CompilerServices.MoveNextRunner:InvokeMoveNext(Object)
07-04 16:10:04.653 8622 8637 I Unity : System.Threading.ContextCallback:Invoke(Object)
07-04 16:10:04.653 8622 8637 I Unity : System.Threading.ExecutionContext:RunInternal(ExecutionContext, ContextCallback, Object, Boolean)
07-04 16:10:04.653 8622 8637 I Unity : System.Threading.ExecutionContext:Run(ExecutionContext, ContextCallback, Object, Boolean)
07-04 16:10:04.653 8622 8637 I Unity : System.Runtime.CompilerServices.MoveNextRunner:Run()
07-04 16:10:04.653 8622 8637 I Unity : System.Action:Invoke()
07-04 16:10:04.653 8622 8637 I Unity : System.Threading.Tasks.<>c:<.cctor>b__7_0(Object)
07-04 16:10:04.653 8622 8637 I Unity : System.Threading.SendOrPostCallback:Invoke(Object)
07-04 16:10:04.653 8622 8637 I Unity : UnityEngine.UnitySynchronizationContext:Exec()
Comments (2)
-
warfronts
Aug 09, 2020 15:37
By the way here is the new thread with the fix:
https://github.com/MiloszKrajewski/K4os.Compression.LZ4/issues/40#issuecomment-671049486 -
warfronts
Aug 09, 2020 15:36
Hey Unity team,
Mikos did iterate over this bug.
We would like to have the Unity project link to update some dlls.
Do you have the link reference? Thanks.
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Resolution Note (2020.2.X):
The C# library used in this case is doing unaligned memory access, which is not allowed on armv7. See https://github.com/MiloszKrajewski/K4os.Compression.LZ4/issues/19 for details.