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[Linux] Failed assertion: line 322 pos 18: 'event is! PointerRemovedEvent': is not true. #99761

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Description

@chrisnorman7

Hi,
I am consistantly getting an error with the two flutter apps I've tried to run under Linux (Debian, to be precise).

Here is the output of flutter run:

Launching lib/main.dart on Linux in debug mode...
Building Linux application...                                   
Syncing files to device Linux...                                   164ms

Flutter run key commands.
r Hot reload. 🔥🔥🔥
R Hot restart.
h List all available interactive commands.
d Detach (terminate "flutter run" but leave application running).
c Clear the screen
q Quit (terminate the application on the device).

💪 Running with sound null safety 💪

An Observatory debugger and profiler on Linux is available at: http://127.0.0.1:37749/nFrqOJh0LEQ=/
The Flutter DevTools debugger and profiler on Linux is available at: http://127.0.0.1:9100?uri=http://127.0.0.1:37749/nFrqOJh0LEQ=/
[ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 322 pos 18: 'event is! PointerRemovedEvent': is not true.
#0      _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61)
#1      _AssertionError._throwNew (dart:core-patch/errors_patch.dart:40:5)
#2      MouseTracker.updateWithEvent.<anonymous closure>.<anonymous closure> (package:flutter/src/rendering/mouse_tracker.dart:322:18)
#3      MouseTracker._deviceUpdatePhase (package:flutter/src/rendering/mouse_tracker.dart:211:9)
#4      MouseTracker.updateWithEvent.<anonymous closure> (package:flutter/src/rendering/mouse_tracker.dart:317:7)
#5      MouseTracker._monitorMouseConnection (package:flutter/src/rendering/mouse_tracker.dart:195:9)
#6      MouseTracker.updateWithEvent (package:flutter/src/rendering/mouse_tracker.dart:316:5)
#7      RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:318:20)
#8      GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:380:7)
#9      GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:344:5)
#10     GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:302:7)
#11     GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:285:7)
#12     _rootRunUnary (dart:async/zone.dart:1442:13)
#13     _CustomZone.runUnary (dart:async/zone.dart:1335:19)
#14     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1244:7)
#15     _invoke1 (dart:ui/hooks.dart:170:10)
#16     PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:331:7)
#17     _dispatchPointerDataPacket (dart:ui/hooks.dart:94:31)


Application finished.

And here is flutter doctor -v:

[✓] Flutter (Channel master, 2.11.0-0.0.pre.820, on Ubuntu 21.10 5.13.0-21-generic, locale en_GB.UTF-8)
    • Flutter version 2.11.0-0.0.pre.820 at /home/chris/flutter
    • Upstream repository https://github.com/flutter/flutter
    • Framework revision 33ab8ebad7 (3 hours ago), 2022-03-08 07:10:23 -0500
    • Engine revision 5c760759fe
    • Dart version 2.17.0 (build 2.17.0-182.0.dev)
    • DevTools version 2.11.1

[✗] Android toolchain - develop for Android devices
    ✗ Unable to locate Android SDK.
      Install Android Studio from: https://developer.android.com/studio/index.html
      On first launch it will assist you in installing the Android SDK components.
      (or visit https://flutter.dev/docs/get-started/install/linux#android-setup for detailed instructions).
      If the Android SDK has been installed to a custom location, please use
      `flutter config --android-sdk` to update to that location.


[✗] Chrome - develop for the web (Cannot find Chrome executable at google-chrome)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.

[✓] Linux toolchain - develop for Linux desktop
    • Ubuntu clang version 13.0.0-2
    • cmake version 3.18.4
    • ninja version 1.10.1
    • pkg-config version 0.29.2

[!] Android Studio (not installed)
    • Android Studio not found; download from https://developer.android.com/studio/index.html
      (or visit https://flutter.dev/docs/get-started/install/linux#android-setup for detailed instructions).

[✓] VS Code (version 1.65.0)
    • VS Code at /usr/share/code
    • Flutter extension version 3.27.0

[✓] Connected device (1 available)
    • Linux (desktop) • linux • linux-x64 • Ubuntu 21.10 5.13.0-21-generic

[✓] HTTP Host Availability
    • All required HTTP hosts are available

! Doctor found issues in 3 categories.

This was also happening when I was on the beta channel.

Activity

  1. changed the title [-][Linux] Failed assertion with seemingly any app[/-] [+][Linux] Failed assertion: line 322 pos 18: 'event is! PointerRemovedEvent': is not true.[/+] on Mar 9, 2022
  2. maheshj01 commented on Mar 9, 2022

    @maheshj01
    Member

    Hi @chrisnorman7, Thanks for filing the issue. Could you please share a minimal reproducible code sample or the reproducible steps to investigate thie issue further?
    There have been a few reports of this issue but those were closed due to insufficient info e.g #76325

  3. added
    waiting for responseThe Flutter team cannot make further progress on this issue until the original reporter responds
    on Mar 9, 2022
  4. chrisnorman7 commented on Mar 9, 2022

    @chrisnorman7
    Author
  5. removed
    waiting for responseThe Flutter team cannot make further progress on this issue until the original reporter responds
    on Mar 9, 2022
  6. maheshj01 commented on Mar 9, 2022

    @maheshj01
    Member

    Thanks for the update @chrisnorman7, I tried on the latest master channel, I was not able to reproduce the issue. Do you see this error frequently (on each build) or is it intermittent ?

    logs

    Launching lib/main.dart on Linux in debug mode...
    lib/main.dart:1
    Connecting to VM Service at ws://127.0.0.1:34047/BHec1Uglk48=/ws
    
    flutter doctor -v (Linux)
    [✓] Flutter (Channel master, 2.11.0-0.0.pre.836, on Ubuntu 20.04.4 LTS 5.13.0-30-generic, locale en_GB.UTF-8)
        • Flutter version 2.11.0-0.0.pre.836 at /home/mahesh/Development/master
        • Upstream repository https://github.com/flutter/flutter.git
        • Framework revision 340d1ac40f (2 hours ago), 2022-03-09 03:45:21 -0500
        • Engine revision 621c88dc2d
        • Dart version 2.17.0 (build 2.17.0-182.0.dev)
        • DevTools version 2.11.1
    
    [✓] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
        • Android SDK at /home/mahesh/Android/Sdk
        • Platform android-31, build-tools 31.0.0
        • Java binary at: /home/mahesh/Downloads/android-studio-2020.3.1.25-linux/android-studio/jre/bin/java
        • Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)
        • All Android licenses accepted.
    
    [✓] Chrome - develop for the web
        • Chrome at google-chrome
    
    [✓] Linux toolchain - develop for Linux desktop
        • clang version 10.0.0-4ubuntu1
        • cmake version 3.16.3
        • ninja version 1.10.0
        • pkg-config version 0.29.1
    
    [✓] Android Studio (version 2020.3)
        • Android Studio at /home/mahesh/Downloads/android-studio-2020.3.1.25-linux/android-studio
        • Flutter plugin version 63.2.1
        • Dart plugin version 203.8452
        • Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)
    
    [✓] VS Code (version 1.64.2)
        • VS Code at /usr/share/code
        • Flutter extension version 3.36.0
    
    [✓] Connected device (2 available)
        • Linux (desktop) • linux  • linux-x64      • Ubuntu 20.04.4 LTS 5.13.0-30-generic
        • Chrome (web)    • chrome • web-javascript • Google Chrome 98.0.4758.102
    
    [✓] HTTP Host Availability
        • All required HTTP hosts are available
    
    • No issues found!
    
  7. added
    waiting for responseThe Flutter team cannot make further progress on this issue until the original reporter responds
    on Mar 9, 2022
  8. chrisnorman7 commented on Mar 9, 2022

    @chrisnorman7
    Author
  9. removed
    waiting for responseThe Flutter team cannot make further progress on this issue until the original reporter responds
    on Mar 9, 2022
  10. maheshj01 commented on Mar 10, 2022

    @maheshj01
    Member

    Sure, If you encounter this issue again and have more info for us, feel free to comment on this issue or file a new issue.

  11. added
    r: invalidIssue is closed as not valid
    and removed
    in triagePresently being triaged by the triage team
    on Mar 10, 2022
  12. chrisnorman7 commented on Mar 15, 2022

    @chrisnorman7
    Author
    [  +77 ms] executing: uname -m
    [  +35 ms] Exit code 0 from: uname -m
    [        ] x86_64
    [   +6 ms] executing: [/home/chris/flutter/] git -c log.showSignature=false log -n 1 --pretty=format:%H
    [   +5 ms] Exit code 0 from: git -c log.showSignature=false log -n 1 --pretty=format:%H
    [        ] 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [        ] executing: [/home/chris/flutter/] git tag --points-at 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [  +12 ms] Exit code 0 from: git tag --points-at 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [   +1 ms] executing: [/home/chris/flutter/] git describe --match *.*.* --long --tags 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [  +42 ms] Exit code 0 from: git describe --match *.*.* --long --tags 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [        ] 2.10.0-0.0.pre-886-g2bd3e0d914
    [  +11 ms] executing: [/home/chris/flutter/] git rev-parse --abbrev-ref --symbolic @{u}
    [   +6 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
    [        ] origin/master
    [        ] executing: [/home/chris/flutter/] git ls-remote --get-url origin
    [   +5 ms] Exit code 0 from: git ls-remote --get-url origin
    [        ] https://github.com/flutter/flutter
    [ +117 ms] Unable to locate an Android SDK.
    [   +5 ms] executing: [/home/chris/flutter/] git rev-parse --abbrev-ref HEAD
    [   +5 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
    [        ] master
    [  +62 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
    [   +3 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
    [  +11 ms] Artifact Instance of 'PubDependencies' is not required, skipping update.
    [  +17 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
    [   +1 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
    [   +1 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
    [        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
    [   +4 ms] Artifact Instance of 'PubDependencies' is not required, skipping update.
    [  +69 ms] Skipping pub get: version match.
    [  +96 ms] Found plugin file_picker at /home/chris/.pub-cache/hosted/pub.dartlang.org/file_picker-4.5.1/
    [   +9 ms] Found plugin flutter_plugin_android_lifecycle at /home/chris/.pub-cache/hosted/pub.dartlang.org/flutter_plugin_android_lifecycle-2.0.5/
    [  +22 ms] Found plugin path_provider_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.5/
    [   +3 ms] Found plugin path_provider_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.0.5/
    [   +8 ms] Found plugin shared_preferences at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.13/
    [   +2 ms] Found plugin shared_preferences_android at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_android-2.0.11/
    [   +7 ms] Found plugin shared_preferences_ios at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_ios-2.1.0/
    [   +2 ms] Found plugin shared_preferences_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_linux-2.1.0/
    [   +1 ms] Found plugin shared_preferences_macos at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_macos-2.0.3/
    [   +4 ms] Found plugin shared_preferences_web at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_web-2.0.3/
    [   +1 ms] Found plugin shared_preferences_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_windows-2.1.0/
    [  +13 ms] Found plugin url_launcher at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.20/
    [   +1 ms] Found plugin url_launcher_android at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_android-6.0.15/
    [   +1 ms] Found plugin url_launcher_ios at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_ios-6.0.15/
    [   +1 ms] Found plugin url_launcher_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-3.0.0/
    [   +1 ms] Found plugin url_launcher_macos at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-3.0.0/
    [   +2 ms] Found plugin url_launcher_web at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-2.0.9/
    [   +1 ms] Found plugin url_launcher_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-3.0.0/
    [  +95 ms] Found plugin file_picker at /home/chris/.pub-cache/hosted/pub.dartlang.org/file_picker-4.5.1/
    [   +3 ms] Found plugin flutter_plugin_android_lifecycle at /home/chris/.pub-cache/hosted/pub.dartlang.org/flutter_plugin_android_lifecycle-2.0.5/
    [  +15 ms] Found plugin path_provider_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.5/
    [   +2 ms] Found plugin path_provider_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.0.5/
    [   +6 ms] Found plugin shared_preferences at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.13/
    [   +1 ms] Found plugin shared_preferences_android at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_android-2.0.11/
    [   +1 ms] Found plugin shared_preferences_ios at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_ios-2.1.0/
    [   +1 ms] Found plugin shared_preferences_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_linux-2.1.0/
    [   +1 ms] Found plugin shared_preferences_macos at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_macos-2.0.3/
    [   +1 ms] Found plugin shared_preferences_web at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_web-2.0.3/
    [   +1 ms] Found plugin shared_preferences_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_windows-2.1.0/
    [  +10 ms] Found plugin url_launcher at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.20/
    [   +1 ms] Found plugin url_launcher_android at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_android-6.0.15/
    [   +1 ms] Found plugin url_launcher_ios at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_ios-6.0.15/
    [   +1 ms] Found plugin url_launcher_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-3.0.0/
    [   +1 ms] Found plugin url_launcher_macos at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-3.0.0/
    [   +2 ms] Found plugin url_launcher_web at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-2.0.9/
    [   +2 ms] Found plugin url_launcher_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-3.0.0/
    [  +72 ms] Generating /home/chris/src/worldsmith_studio/android/app/src/main/java/io/flutter/plugins/GeneratedPluginRegistrant.java
    [ +132 ms] Initializing file store
    [  +10 ms] Skipping target: gen_localizations
    [   +4 ms] gen_dart_plugin_registrant: Starting due to {InvalidatedReasonKind.inputChanged: The following inputs have updated contents: /home/chris/src/worldsmith_studio/.dart_tool/package_config_subset,/home/chris/src/worldsmith_studio/.dart_tool/flutter_build/dart_plugin_registrant.dart}
    [  +23 ms] Found plugin file_picker at /home/chris/.pub-cache/hosted/pub.dartlang.org/file_picker-4.5.1/
    [   +1 ms] Found plugin flutter_plugin_android_lifecycle at /home/chris/.pub-cache/hosted/pub.dartlang.org/flutter_plugin_android_lifecycle-2.0.5/
    [   +6 ms] Found plugin path_provider_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/path_provider_linux-2.1.5/
    [        ] Found plugin path_provider_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/path_provider_windows-2.0.5/
    [   +3 ms] Found plugin shared_preferences at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences-2.0.13/
    [        ] Found plugin shared_preferences_android at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_android-2.0.11/
    [        ] Found plugin shared_preferences_ios at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_ios-2.1.0/
    [        ] Found plugin shared_preferences_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_linux-2.1.0/
    [        ] Found plugin shared_preferences_macos at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_macos-2.0.3/
    [        ] Found plugin shared_preferences_web at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_web-2.0.3/
    [        ] Found plugin shared_preferences_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/shared_preferences_windows-2.1.0/
    [   +4 ms] Found plugin url_launcher at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher-6.0.20/
    [        ] Found plugin url_launcher_android at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_android-6.0.15/
    [        ] Found plugin url_launcher_ios at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_ios-6.0.15/
    [        ] Found plugin url_launcher_linux at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_linux-3.0.0/
    [   +2 ms] Found plugin url_launcher_macos at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_macos-3.0.0/
    [   +1 ms] Found plugin url_launcher_web at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_web-2.0.9/
    [        ] Found plugin url_launcher_windows at /home/chris/.pub-cache/hosted/pub.dartlang.org/url_launcher_windows-3.0.0/
    [  +10 ms] gen_dart_plugin_registrant: Complete
    [   +1 ms] Skipping target: _composite
    [   +2 ms] complete
    [   +5 ms] Launching lib/main.dart on Linux in debug mode...
    [   +5 ms] /home/chris/flutter/bin/cache/dart-sdk/bin/dart --disable-dart-dev /home/chris/flutter/bin/cache/dart-sdk/bin/snapshots/frontend_server.dart.snapshot --sdk-root /home/chris/flutter/bin/cache/artifacts/engine/common/flutter_patched_sdk/ --incremental --target=flutter --debugger-module-names --experimental-emit-debug-metadata -DFLUTTER_WEB_AUTO_DETECT=true --output-dill /tmp/flutter_tools.NJJNQR/flutter_tool.KHWANZ/app.dill --packages /home/chris/src/worldsmith_studio/.dart_tool/package_config.json -Ddart.vm.profile=false -Ddart.vm.product=false --enable-asserts --track-widget-creation --filesystem-scheme org-dartlang-root --initialize-from-dill build/c075001b96339384a97db4862b8ab8db.cache.dill.track.dill --source /home/chris/src/worldsmith_studio/.dart_tool/flutter_build/dart_plugin_registrant.dart --flutter-widget-cache --enable-experiment=alternative-invalidation-strategy
    [  +28 ms] Building Linux application...
    [  +24 ms] <- compile package:worldsmith_studio/main.dart
    [   +2 ms] executing: [build/linux/x64/debug/] cmake -G Ninja -DCMAKE_BUILD_TYPE=Debug -DFLUTTER_TARGET_PLATFORM=linux-x64 /home/chris/src/worldsmith_studio/linux
    [  +50 ms] -- Configuring done
    [   +7 ms] -- Generating done
    [  +16 ms] -- Build files have been written to: /home/chris/src/worldsmith_studio/build/linux/x64/debug
    [  +11 ms] executing: ninja -C build/linux/x64/debug install
    [   +9 ms] ninja: Entering directory `build/linux/x64/debug'
    [+3416 ms] [1/7] Generating /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/libflutter_linux_gtk.so, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_basic_message_channel.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_binary_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_binary_messenger.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_dart_project.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_engine.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_json_message_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_json_method_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_message_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_method_call.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_method_channel.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_method_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_method_response.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_plugin_registrar.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_plugin_registry.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_standard_message_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_standard_method_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_string_codec.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_value.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/fl_view.h, /home/chris/src/worldsmith_studio/linux/flutter/ephemeral/flutter_linux/flutter_linux.h, _phony_
    [        ] [ +108 ms] executing: uname -m
    [        ] [  +45 ms] Exit code 0 from: uname -m
    [        ] [        ] x86_64
    [        ] [  +10 ms] executing: [/home/chris/flutter/] git -c log.showSignature=false log -n 1 --pretty=format:%H
    [        ] [   +6 ms] Exit code 0 from: git -c log.showSignature=false log -n 1 --pretty=format:%H
    [        ] [        ] 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [        ] [   +1 ms] executing: [/home/chris/flutter/] git tag --points-at 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [        ] [  +19 ms] Exit code 0 from: git tag --points-at 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [        ] [   +2 ms] executing: [/home/chris/flutter/] git describe --match *.*.* --long --tags 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [        ] [  +67 ms] Exit code 0 from: git describe --match *.*.* --long --tags 2bd3e0d914854aa8c12e933f25c5fd8532ae5571
    [        ] [        ] 2.10.0-0.0.pre-886-g2bd3e0d914
    [        ] [  +11 ms] executing: [/home/chris/flutter/] git rev-parse --abbrev-ref --symbolic @{u}
    [        ] [   +5 ms] Exit code 0 from: git rev-parse --abbrev-ref --symbolic @{u}
    [        ] [        ] origin/master
    [        ] [        ] executing: [/home/chris/flutter/] git ls-remote --get-url origin
    [        ] [   +4 ms] Exit code 0 from: git ls-remote --get-url origin
    [        ] [        ] https://github.com/flutter/flutter
    [        ] [  +64 ms] Unable to locate an Android SDK.
    [        ] [   +4 ms] executing: [/home/chris/flutter/] git rev-parse --abbrev-ref HEAD
    [        ] [   +4 ms] Exit code 0 from: git rev-parse --abbrev-ref HEAD
    [        ] [        ] master
    [        ] [  +73 ms] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
    [        ] [   +8 ms] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'LinuxEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
    [        ] [  +18 ms] Artifact Instance of 'PubDependencies' is not required, skipping update.
    [        ] [  +93 ms] Artifact Instance of 'MaterialFonts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'GradleWrapper' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'AndroidGenSnapshotArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'AndroidInternalBuildArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'IOSEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FlutterWebSdk' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FlutterSdk' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'WindowsEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'WindowsUwpEngineArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'MacOSEngineArtifacts' is not required, skipping update.
    [        ] [   +2 ms] Artifact Instance of 'LinuxFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'MacOSFuchsiaSDKArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FlutterRunnerSDKArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FlutterRunnerDebugSymbols' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'IosUsbArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'FontSubsetArtifacts' is not required, skipping update.
    [        ] [        ] Artifact Instance of 'PubDependencies' is not required, skipping update.
    [        ] [  +79 ms] Initializing file store
    [        ] [  +25 ms] Done initializing file store
    [        ] [ +119 ms] Skipping target: gen_localizations
    [        ] [  +27 ms] Skipping target: gen_dart_plugin_registrant
    [        ] [ +654 ms] Skipping target: unpack_linux
    [        ] [ +632 ms] Skipping target: kernel_snapshot
    [        ] [ +541 ms] Skipping target: debug_bundle_linux-x64_assets
    [        ] [        ] Persisting file store
    [        ] [  +11 ms] Done persisting file store
    [        ] [  +12 ms] build succeeded.
    [        ] [  +20 ms] "flutter assemble" took 2,269ms.
    [        ] [  +24 ms] ensureAnalyticsSent: 20ms
    [        ] [   +1 ms] Running shutdown hooks
    [        ] [        ] Shutdown hooks complete
    [        ] [   +1 ms] exiting with code 0
    [ +795 ms] [2/5] Building CXX object CMakeFiles/worldsmith_studio.dir/flutter/generated_plugin_registrant.cc.o
    [  +51 ms] [3/5] Building CXX object CMakeFiles/worldsmith_studio.dir/my_application.cc.o
    [ +144 ms] [4/5] Linking CXX executable intermediates_do_not_run/worldsmith_studio
    [        ] [4/5] Install the project...
    [   +8 ms] -- Install configuration: "Debug"
    [  +13 ms] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/worldsmith_studio
    [        ] -- Set runtime path of "/home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/worldsmith_studio" to "$ORIGIN/lib"
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/icudtl.dat
    [   +1 ms] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/lib/libflutter_linux_gtk.so
    [  +42 ms] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/lib/liburl_launcher_linux_plugin.so
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/version.json
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/packages
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/packages/cupertino_icons
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/packages/cupertino_icons/assets
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/packages/cupertino_icons/assets/CupertinoIcons.ttf
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/kernel_blob.bin
    [  +57 ms] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/fonts
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/fonts/MaterialIcons-Regular.otf
    [   +1 ms] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/NOTICES.Z
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/AssetManifest.json
    [        ] -- Installing: /home/chris/src/worldsmith_studio/build/linux/x64/debug/bundle/data/flutter_assets/FontManifest.json
    [  +18 ms] Building Linux application... (completed in 4.7s)
    [ +257 ms] Observatory URL on device: http://127.0.0.1:33759/dGfDsCw87J8=/
    [   +7 ms] Caching compiled dill
    [ +103 ms] Connecting to service protocol: http://127.0.0.1:33759/dGfDsCw87J8=/
    [ +191 ms] Launching a Dart Developer Service (DDS) instance at http://127.0.0.1:0, connecting to VM service at http://127.0.0.1:33759/dGfDsCw87J8=/.
    [ +126 ms] DDS is listening at http://127.0.0.1:45627/7-7h5Sjm3Mg=/.
    [  +62 ms] Successfully connected to service protocol: http://127.0.0.1:33759/dGfDsCw87J8=/
    [  +47 ms] DevFS: Creating new filesystem on the device (null)
    [  +29 ms] DevFS: Created new filesystem on the device (file:///tmp/worldsmith_studioIXWSFE/worldsmith_studio/)
    [   +3 ms] Updating assets
    [ +200 ms] Syncing files to device Linux...
    [   +1 ms] <- reset
    [        ] Compiling dart to kernel with 0 updated files
    [        ] Processing bundle.
    [   +1 ms] <- recompile package:worldsmith_studio/main.dart c0150ee4-7242-4f24-96c1-7cfa5c29377a
    [        ] <- c0150ee4-7242-4f24-96c1-7cfa5c29377a
    [   +2 ms] Bundle processing done.
    [ +278 ms] Updating files.
    [        ] DevFS: Sync finished
    [   +1 ms] Syncing files to device Linux... (completed in 284ms)
    [        ] Synced 0.0MB.
    [   +1 ms] <- accept
    [   +2 ms] Connected to _flutterView/0x19a6230.
    [   +4 ms] Flutter run key commands.
    [   +2 ms] r Hot reload. 🔥🔥🔥
    [        ] R Hot restart.
    [        ] h List all available interactive commands.
    [        ] d Detach (terminate "flutter run" but leave application running).
    [        ] c Clear the screen
    [        ] q Quit (terminate the application on the device).
    [        ] 💪 Running with sound null safety 💪
    [   +1 ms] An Observatory debugger and profiler on Linux is available at: http://127.0.0.1:45627/7-7h5Sjm3Mg=/
    [ +257 ms] The Flutter DevTools debugger and profiler on Linux is available at: http://127.0.0.1:9100?uri=http://127.0.0.1:45627/7-7h5Sjm3Mg=/
    [+16281 ms] [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 322 pos 18: 'event is! PointerRemovedEvent': is not true.
    [        ] #0      _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61)
    [        ] #1      _AssertionError._throwNew (dart:core-patch/errors_patch.dart:40:5)
    [        ] #2      MouseTracker.updateWithEvent.<anonymous closure>.<anonymous closure> (package:flutter/src/rendering/mouse_tracker.dart:322:18)
    [        ] #3      MouseTracker._deviceUpdatePhase (package:flutter/src/rendering/mouse_tracker.dart:211:9)
    [        ] #4      MouseTracker.updateWithEvent.<anonymous closure> (package:flutter/src/rendering/mouse_tracker.dart:317:7)
    [        ] #5      MouseTracker._monitorMouseConnection (package:flutter/src/rendering/mouse_tracker.dart:195:9)
    [        ] #6      MouseTracker.updateWithEvent (package:flutter/src/rendering/mouse_tracker.dart:316:5)
    [        ] #7      RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:318:20)
    [        ] #8      GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:380:7)
    [        ] #9      GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:344:5)
    [        ] #10     GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:302:7)
    [        ] #11     GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:285:7)
    [        ] #12     _rootRunUnary (dart:async/zone.dart:1442:13)
    [        ] #13     _CustomZone.runUnary (dart:async/zone.dart:1335:19)
    [        ] #14     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1244:7)
    [        ] #15     _invoke1 (dart:ui/hooks.dart:170:10)
    [        ] #16     PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:331:7)
    [        ] #17     _dispatchPointerDataPacket (dart:ui/hooks.dart:94:31)
    [ +630 ms] [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [        ] #0      _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61)
    [   +2 ms] #1      _AssertionError._throwNew (dart:core-patch/errors_patch.dart:40:5)
    [        ] #2      MouseTracker._deviceUpdatePhase (package:flutter/src/rendering/mouse_tracker.dart:206:12)
    [        ] #3      MouseTracker.updateWithEvent.<anonymous closure> (package:flutter/src/rendering/mouse_tracker.dart:317:7)
    [        ] #4      MouseTracker._monitorMouseConnection (package:flutter/src/rendering/mouse_tracker.dart:195:9)
    [        ] #5      MouseTracker.updateWithEvent (package:flutter/src/rendering/mouse_tracker.dart:316:5)
    [        ] #6      RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:318:20)
    [        ] #7      GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:380:7)
    [        ] #8      GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:344:5)
    [        ] #9      GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:302:7)
    [        ] #10     GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:285:7)
    [        ] #11     _rootRunUnary (dart:async/zone.dart:1442:13)
    [        ] #12     _CustomZone.runUnary (dart:async/zone.dart:1335:19)
    [        ] #13     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1244:7)
    [        ] #14     _invoke1 (dart:ui/hooks.dart:170:10)
    [        ] #15     PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:331:7)
    [        ] #16     _dispatchPointerDataPacket (dart:ui/hooks.dart:94:31)
    [ +430 ms] 
               ══╡ EXCEPTION CAUGHT BY SCHEDULER LIBRARY ╞═════════════════════════════════════════════════════════
               The following assertion was thrown during a scheduler callback:
               'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12:
               '!_debugDuringDeviceUpdate': is not true.
    
               Either the assertion indicates an error in the framework itself, or we should provide substantially
               more information in this error message to help you determine and fix the underlying cause.
               In either case, please report this assertion by filing a bug on GitHub:
                 https://github.com/flutter/flutter/issues/new?template=2_bug.md
    
               When the exception was thrown, this was the stack:
               #2      MouseTracker._deviceUpdatePhase (package:flutter/src/rendering/mouse_tracker.dart:206:12)
               #3      MouseTracker.updateAllDevices (package:flutter/src/rendering/mouse_tracker.dart:358:5)
               #4      RendererBinding._scheduleMouseTrackerUpdate.<anonymous closure> (package:flutter/src/rendering/binding.dart:384:22)
               #5      SchedulerBinding._invokeFrameCallback (package:flutter/src/scheduler/binding.dart:1145:15)
               #6      SchedulerBinding.handleDrawFrame (package:flutter/src/scheduler/binding.dart:1090:9)
               #7      SchedulerBinding._handleDrawFrame (package:flutter/src/scheduler/binding.dart:996:5)
               #11     _invoke (dart:ui/hooks.dart:151:10)
               #12     PlatformDispatcher._drawFrame (dart:ui/platform_dispatcher.dart:308:5)
               #13     _drawFrame (dart:ui/hooks.dart:115:31)
               (elided 5 frames from class _AssertionError and dart:async)
               ════════════════════════════════════════════════════════════════════════════════════════════════════
    [  +20 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [   +8 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +18 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +13 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +15 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +14 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +18 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +18 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +14 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +15 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +15 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +15 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +17 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +15 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [  +16 ms] 
               Another exception was thrown: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [ +135 ms] [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: 'package:flutter/src/rendering/mouse_tracker.dart': Failed assertion: line 206 pos 12: '!_debugDuringDeviceUpdate': is not true.
    [        ] #0      _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61)
    [        ] #1      _AssertionError._throwNew (dart:core-patch/errors_patch.dart:40:5)
    [        ] #2      MouseTracker._deviceUpdatePhase (package:flutter/src/rendering/mouse_tracker.dart:206:12)
    [        ] #3      MouseTracker.updateWithEvent.<anonymous closure> (package:flutter/src/rendering/mouse_tracker.dart:317:7)
    [        ] #4      MouseTracker._monitorMouseConnection (package:flutter/src/rendering/mouse_tracker.dart:195:9)
    [        ] #5      MouseTracker.updateWithEvent (package:flutter/src/rendering/mouse_tracker.dart:316:5)
    [        ] #6      RendererBinding.dispatchEvent (package:flutter/src/rendering/binding.dart:318:20)
    [        ] #7      GestureBinding._handlePointerEventImmediately (package:flutter/src/gestures/binding.dart:380:7)
    [        ] #8      GestureBinding.handlePointerEvent (package:flutter/src/gestures/binding.dart:344:5)
    [        ] #9      GestureBinding._flushPointerEventQueue (package:flutter/src/gestures/binding.dart:302:7)
    [        ] #10     GestureBinding._handlePointerDataPacket (package:flutter/src/gestures/binding.dart:285:7)
    [        ] #11     _rootRunUnary (dart:async/zone.dart:1442:13)
    [        ] #12     _CustomZone.runUnary (dart:async/zone.dart:1335:19)
    [        ] #13     _CustomZone.runUnaryGuarded (dart:async/zone.dart:1244:7)
    [        ] #14     _invoke1 (dart:ui/hooks.dart:170:10)
    [        ] #15     PlatformDispatcher._dispatchPointerDataPacket (dart:ui/platform_dispatcher.dart:331:7)
    [        ] #16     _dispatchPointerDataPacket (dart:ui/hooks.dart:94:31)
    [ +569 ms] DevFS: Deleting filesystem on the device (file:///tmp/worldsmith_studioIXWSFE/worldsmith_studio/)
    [   +8 ms] DevFS: Deleted filesystem on the device (file:///tmp/worldsmith_studioIXWSFE/worldsmith_studio/)
    [  +21 ms] Application finished.
    [   +7 ms] "flutter run" took 25,672ms.
    [  +24 ms] Service protocol connection closed.
    [   +2 ms] ensureAnalyticsSent: 23ms
    [   +1 ms] Running shutdown hooks
    [        ] Shutdown hooks complete
    [        ] exiting with code 0
  13. maheshj01 commented on Mar 15, 2022

    @maheshj01
    Member

    @chrisnorman7 Your logs looks partially similar to #84241

  14. chrisnorman7 commented on Mar 15, 2022

    @chrisnorman7
    Author

    I agree. Seems that it affects Mac OS too.

  15. github-actions commented on Mar 29, 2022

    @github-actions

    This thread has been automatically locked since there has not been any recent activity after it was closed. If you are still experiencing a similar issue, please open a new bug, including the output of flutter doctor -v and a minimal reproduction of the issue.

  16. locked as resolved and limited conversation to collaborators on Mar 29, 2022
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