Skip to content

Android Impeller/Vulkan crash on Mali GPU when rotating during startup #187237

Closed
#187477
Closed
Android Impeller/Vulkan crash on Mali GPU when rotating during startup#187237
#187477
Assignees
jason-simmons
Labels
P1High-priority issues at the top of the work listc: crashStack traces logged to the consolee: impellerImpeller rendering backend issues and features requestsengineflutter/engine related. See also e: labels.has reproducible stepsThe issue has been confirmed reproducible and is ready to work onplatform-androidAndroid applications specificallyteam-engineOwned by Engine teamtriaged-engineTriaged by Engine team

Description

@FelixMittermeier
FelixMittermeier
opened on May 28, 2026

Steps to reproduce

Launch the app from this reproduction repro: https://github.com/FelixMittermeier/flutter_impeller_mali_rotation_repro

Expected results

No crash no matter how often the device gets rotated.

Actual results

It crashes nearly every time the device is rotated.

Logs

Logs 
See https://github.com/FelixMittermeier/flutter_impeller_mali_rotation_repro/blob/main/docs/android-crash-excerpt.txt
Captured from `scripts/reproduce_android_rotation_crash.sh` on 2026-05-28.

05-28 16:21:00.941   883   910 I flutter : [IMPORTANT:flutter/shell/platform/android/android_context_vk_impeller.cc(62)] Using the Impeller rendering backend (Vulkan).
05-28 16:21:01.065   883   883 I SurfaceView: 165387141 surfaceChanged -- format=4 w=1440 h=2304
05-28 16:21:01.942   883   883 I SurfaceView: 165387141 surfaceChanged -- format=4 w=2304 h=1440
05-28 16:21:01.952   883   926 F libc    : FORTIFY: pthread_mutex_lock called on a destroyed mutex (0xb400007d12b76118)
05-28 16:21:01.953   883   926 F libc    : Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 926 (mali-cmar-backe), pid 883 (_rotation_repro)
05-28 16:21:02.237   969   969 F DEBUG   : Abort message: 'FORTIFY: pthread_mutex_lock called on a destroyed mutex (0xb400007d12b76118)'
05-28 16:21:02.237   969   969 F DEBUG   :       #04 pc 00000000016b75f4  /vendor/lib64/egl/libGLES_mali.so (hal::halp::fence_internal::signal_internal()+52) (BuildId: 6509c2fdcf2e42bd5be5bb90fbea06b0)
05-28 16:21:02.237   969   969 F DEBUG   :       #05 pc 00000000016b9718  /vendor/lib64/egl/libGLES_mali.so (hal::halp::fence_release_callback(cmar_event*, int, void*)+24) (BuildId: 6509c2fdcf2e42bd5be5bb90fbea06b0)
05-28 16:21:02.237   969   969 F DEBUG   :       #06 pc 00000000016d0d44  /vendor/lib64/egl/libGLES_mali.so (cmarp_event_call_all_deferred_callbacks+244) (BuildId: 6509c2fdcf2e42bd5be5bb90fbea06b0)
05-28 16:21:02.237   969   969 F DEBUG   :       #07 pc 00000000016d3da8  /vendor/lib64/egl/libGLES_mali.so (cmarp_backend_thread+936) (BuildId: 6509c2fdcf2e42bd5be5bb90fbea06b0)
05-28 16:21:02.264  1448   977 W ActivityManager: crash : com.example.impeller_mali_rotation_repro,10337
05-28 16:21:02.323  1448  3154 I ActivityManager: Process com.example.impeller_mali_rotation_repro (pid 883) has died: fg  TOP (460,1914)

Flutter Doctor output

Doctor output 
[✓] Flutter (Channel master, 3.45.0-1.0.pre-239, on macOS 26.5 25F71 darwin-arm64, locale de-DE) [3,6s]
    • Flutter version 3.45.0-1.0.pre-239 on channel master at /Users/felixmittermeier/Documents/flutter
    • Upstream repository https://github.com/flutter/flutter.git
    • Framework revision c8f2f16632 (vor 25 Stunden), 2026-05-27 13:33:42 +0000
    • Engine revision c8f2f16632
    • Dart version 3.13.0 (build 3.13.0-138.0.dev)
    • DevTools version 2.58.0
    • Feature flags: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios,
      cli-animations, enable-native-assets, enable-swift-package-manager, omit-legacy-version-file, enable-lldb-debugging,
      enable-uiscene-migration, enable-riscv64

[✓] Android toolchain - develop for Android devices (Android SDK version 36.0.0) [2,6s]
    • Android SDK at /Users/felixmittermeier/Library/Android/sdk
    • Emulator version 36.2.12.0 (build_id 14214601) (CL:N/A)
    • Platform android-36, build-tools 36.0.0
    • Java binary at: /Users/felixmittermeier/Library/Java/JavaVirtualMachines/jbr-17.0.14/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 JBR-17.0.14+1-1367.22-nomod (build 17.0.14+1-b1367.22)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 26.0) [2,5s]
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Build 17A324
    • CocoaPods version 1.16.2

[✓] Chrome - develop for the web [5ms]
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Connected device (5 available) [9,5s]
    • SM X510 (mobile)                      • R52Y101TBDV               • android-arm64  • Android 16 (API 36)
    • iPhone 14 Pro Max (wireless) (mobile) • 00008120-00086C192E60C01E • ios            • iOS 26.4.2 23E261
    • iPhone (wireless) (mobile)            • 00008150-00167C513CF1401C • ios            • iOS 26.5 23F77
    • macOS (desktop)                       • macos                     • darwin-arm64   • macOS 26.5 25F71 darwin-arm64
    • Chrome (web)                          • chrome                    • web-javascript • Google Chrome 148.0.7778.168

[✓] Network resources [788ms]
    • All expected network resources are available.

• No issues found!

Metadata

Metadata

Assignees

Labels

P1High-priority issues at the top of the work listc: crashStack traces logged to the consolee: impellerImpeller rendering backend issues and features requestsengineflutter/engine related. See also e: labels.has reproducible stepsThe issue has been confirmed reproducible and is ready to work onplatform-androidAndroid applications specificallyteam-engineOwned by Engine teamtriaged-engineTriaged by Engine team

Type

No type

Fields

No fields configured for issues without a type.

Projects

No projects

Milestone

No milestone

Relationships

None yet

Development

No branches or pull requests

Issue actions