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[Impeller]Impeller errors appear when app opens:Break on 'ImpellerValidationBreak' to inspect point of failure: Could not find glyph position in the atlas. #164606

@huycozy

Description

@huycozy

Steps to reproduce

  1. Install and run Wonderous app on Android and iOS, my devices are: Pixel 7, Android 15 and iPhone 16 Pro Max (iOS 18.3.1).
  2. Home page/screen will appear (since the second time open app), and observe Impeller errors appear from the run output log. If you swipe pages, more same errors may appear.

Observing this issue on Flutter master channel 3.30.0-1.0.pre.448while I don't see it on stable 3.29.0.

Expected results

No error appear

Actual results

Multiple same errors are printed out as shared in Logs section.

Code sample

Code sample

https://github.com/gskinnerTeam/flutter-wonderous-app

Screenshots or Video

Screenshots / Video demonstration
Screen.Recording.2025-03-05.at.14.35.06.mov

Logs

Logs
Connecting to VM Service at ws://127.0.0.1:58613/UshQ4FN6TyY=/ws
Connected to the VM Service.
flutter: bootstrap start...
flutter: Navigate to: /
flutter: Saving...
flutter: setting discoveredCount for home widget 2
flutter: Navigate to: /home
11
[ERROR:flutter/impeller/entity/contents/text_contents.cc(161)] Break on 'ImpellerValidationBreak' to inspect point of failure: Could not find glyph position in the atlas.
2
flutter: Saving...
19
[ERROR:flutter/impeller/entity/contents/text_contents.cc(161)] Break on 'ImpellerValidationBreak' to inspect point of failure: Could not find glyph position in the atlas.
2
flutter: Saving...
24
[ERROR:flutter/impeller/entity/contents/text_contents.cc(161)] Break on 'ImpellerValidationBreak' to inspect point of failure: Could not find glyph position in the atlas.

Flutter Doctor output

Doctor output
[!] Flutter (Channel master, 3.30.0-1.0.pre.448, on macOS 15.3.1 24D70 darwin-x64, locale en-VN) [4.1s]
    • Flutter version 3.30.0-1.0.pre.448 on channel master at /Users/huynq/Documents/GitHub/flutter_master
    ! Warning: `flutter` on your path resolves to /Users/huynq/Documents/GitHub/flutter/bin/flutter, which is not inside your current Flutter SDK checkout at /Users/huynq/Documents/GitHub/flutter_master. Consider adding /Users/huynq/Documents/GitHub/flutter_master/bin to the front of your path.
    ! Warning: `dart` on your path resolves to /Users/huynq/Documents/GitHub/flutter/bin/dart, which is not inside your current Flutter SDK checkout at /Users/huynq/Documents/GitHub/flutter_master. Consider adding /Users/huynq/Documents/GitHub/flutter_master/bin to the front of your path.
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision 24418d0d80 (2 hours ago), 2025-03-04 00:04:22 -0500
    • Engine revision 24418d0d80
    • Dart version 3.8.0 (build 3.8.0-133.0.dev)
    • DevTools version 2.43.0
    • If those were intentional, you can disregard the above warnings; however it is recommended to use "git" directly to perform update checks and upgrades.

[✓] Android toolchain - develop for Android devices (Android SDK version 35.0.1) [4.5s]
    • Android SDK at /Users/huynq/Library/Android/sdk
    • Platform android-35, build-tools 35.0.1
    • ANDROID_HOME = /Users/huynq/Library/Android/sdk
    • Java binary at: /Applications/Android Studio.app/Contents/jbr/Contents/Home/bin/java
      This JDK is specified in your Flutter configuration.
      To change the current JDK, run: `flutter config --jdk-dir="path/to/jdk"`.
    • Java version OpenJDK Runtime Environment (build 21.0.5+-12932927-b750.29)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 16.2) [1,828ms]
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Build 16C5032a
    • CocoaPods version 1.16.2

[✓] Chrome - develop for the web [27ms]
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 2024.3) [25ms]
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/9212-flutter
    • Dart plugin can be installed from:
      🔨 https://plugins.jetbrains.com/plugin/6351-dart
    • android-studio-dir = /Applications/Android Studio.app
    • Java version OpenJDK Runtime Environment (build 21.0.5+-12932927-b750.29)

[✓] VS Code (version 1.97.2) [23ms]
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.106.0

[✓] Connected device (4 available) [7.2s]
    • Pixel 7 (mobile)                      • 2B171FDH20084L            • android-arm64  • Android 15 (API 35)
    • iPhone 16 pro max (wireless) (mobile) • 00008140-00194CC23A68801C • ios            • iOS 18.3.1 22D72
    • macOS (desktop)                       • macos                     • darwin-x64     • macOS 15.3.1 24D70 darwin-x64
    • Chrome (web)                          • chrome                    • web-javascript • Google Chrome 133.0.6943.142

[✓] Network resources [477ms]
    • All expected network resources are available.

! Doctor found issues in 1 category.

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P1High-priority issues at the top of the work listc: regressionIt was better in the past than it is nowe: impellerImpeller rendering backend issues and features requestsengineflutter/engine related. See also e: labels.from: manual-qaIssue caught from manual QA processr: fixedIssue is closed as already fixed in a newer versionteam-engineOwned by Engine teamtriaged-engineTriaged by Engine team

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