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Fixed in 2020.2.X

Fixed in 2018.4.X, 2019.4.X, 2020.1.X



Found in






Issue ID




[IL2CPP]Stack traces using Application.logMessageReceived callback appear partially or not at all in Builds



Reproduction steps:
1. Open the attached project "809299"
2. In the Project window under "Scenes" open "SampleScene.unity"
3. Build the project
4. Upon launch, press the "Log", "Assert", "Error", "Except" and "Null" buttons to see stack trace output

Expected result: stack traces on the first four buttons are outputted
Actual result: stack traces on the first four buttons are partially outputted or are completely absent on Android (See attached StackTraces.mp4)

Reproduces on: 2018.4.22f1, 2019.3.13f1, 2020.1.0b8, 2020.2.0a11

Reproduces with:
VLNQA00313, Huawei Y6 Ⅱ Compact (HUAWEI LYO-L01), Android 5.1, CPU: MediaTek MT6735, GPU: Mali-T720
VLNQA00140, Samsung Galaxy S4 (GT-I9505), Android 5.0.1, CPU: Snapdragon S4 Plus MSM8960, GPU: Adreno (TM) 320
N/A, Samsung Galaxy S9 (SM-G960F), Android 8.0.0, CPU: Exynos 9 Series 9810, GPU: Mali-G72

-Reproduces only on IL2CPP
-Does not reproduce on iOS
-Every button Stack trace is outputted correctly in the Editor
-Reproduces with Release, Master and Debug C++ Compiler Configuration
-Stack traces are fully outputted in the Player.log

  1. Resolution Note (fix version 2020.2):

    Fixed in 2020.2.0a17, backported to 2018.4, 2019.4, 2020.1

  2. Resolution Note (fix version 2020.1):

    Fixed in 2020.1.1f1

  3. Resolution Note (fix version 2019.4):

    Fixed in 2019.4.5f1

  4. Resolution Note (fix version 2018.4):

    Fixed in 2018.4.26f1

Comments (2)

  1. VProjectCore

    Aug 26, 2020 02:06

    I'm sure the bug still exist in 2018.4.26f1 , and I found the solution , disable the BuildOptions.AllowDebugging then build, the StackTrace could be appear successfully.

  2. VProjectCore

    Aug 22, 2020 07:07

    Unfortunately,I reproduced the problem in2018.4.26f1

    If I checkout my project at another place at disk, the stacktrace would be output large probability.

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