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Linux_mokey flutter_gallery__transition_perf_with_semantics is 3.00% flaky #192169

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Linux_mokey flutter_gallery__transition_perf_with_semantics is 3.00% flaky#192169
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gmackall
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P0Critical issues such as a build break or regressionc: flakeTests that sometimes, but not always, incorrectly passteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team

Description

@fluttergithubbot
fluttergithubbot
opened on Sep 2, 2026

The post-submit test builder Linux_mokey flutter_gallery__transition_perf_with_semantics had a flaky ratio 3.00% for the past (up to) 100 commits, which is above our 2.00% threshold.

One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20flutter_gallery__transition_perf_with_semantics/11810
Commit: 8f37c46

Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20flutter_gallery__transition_perf_with_semantics/11810
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20flutter_gallery__transition_perf_with_semantics/11755
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20flutter_gallery__transition_perf_with_semantics/11714

Recent test runs:
https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux_mokey%20flutter_gallery__transition_perf_with_semantics

Please follow https://github.com/flutter/flutter/blob/master/docs/infra/Reducing-Test-Flakiness.md#fixing-flaky-tests to fix the flakiness and enable the test back after validating the fix (internal dashboard to validate: go/flutter_test_flakiness).

Activity

  1. fluttergithubbot
    assigned
    jtmcdole
    on Sep 2, 2026
  2. fluttergithubbot
    added
    P0Critical issues such as a build break or regression
    c: flakeTests that sometimes, but not always, incorrectly pass
    team-engineOwned by Engine team
    on Sep 2, 2026

  3. Piinks commented on Sep 9, 2026

    @Piinks
    Piinks
    on Sep 9, 2026
    Contributor

    All consistent driver failures

  4. gaaclarke commented on Sep 14, 2026

    @gaaclarke
    gaaclarke
    on Sep 14, 2026
    Member

    This appears to be a duplicate of #192172 (fyi @mboetger )

    failure

    [2026-09-02 01:00:51.896088] [STDOUT] stdout: [  +20 ms] tapping demo
[2026-09-02 01:00:51.937905] [STDOUT] stdout: [  +41 ms] I/gralloc4(12016): @set_metadata: update dataspace from GM (0x00000000 -> 0x08010000)
[2026-09-02 01:00:51.966380] [STDOUT] stdout: [  +28 ms] E/flutter (12016): [ERROR:flutter/fml/platform/android/jni_util.cc(206)] java.lang.NullPointerException: Attempt to read from field 'android.util.ArrayMap android.view.SurfaceControl$Transaction.mResizedSurfaces' on a null object reference in method 'android.view.SurfaceControl$Transaction android.view.SurfaceControl$Transaction.merge(android.view.SurfaceControl$Transaction)'
[2026-09-02 01:00:51.966481] [STDOUT] stdout: [        ] E/flutter (12016): 	at android.view.SurfaceControl$Transaction.merge(SurfaceControl.java:4032)
[2026-09-02 01:00:51.966515] [STDOUT] stdout: [        ] E/flutter (12016): 	at io.flutter.plugin.platform.PlatformViewsController2.onEndFrame(PlatformViewsController2.java:673)
[2026-09-02 01:00:51.966542] [STDOUT] stdout: [        ] E/flutter (12016): 	at io.flutter.embedding.engine.FlutterJNI.endFrame2(FlutterJNI.java:1398)
[2026-09-02 01:00:51.966671] [STDOUT] stdout: [        ] E/flutter (12016): 	at android.os.MessageQueue.nativePollOnce(Native Method)
[2026-09-02 01:00:51.966709] [STDOUT] stdout: [        ] E/flutter (12016): 	at android.os.MessageQueue.next(MessageQueue.java:335)
[2026-09-02 01:00:51.966797] [STDOUT] stdout: [        ] E/flutter (12016): 	at android.os.Looper.loopOnce(Looper.java:162)
[2026-09-02 01:00:51.966836] [STDOUT] stdout: [        ] E/flutter (12016): 	at android.os.Looper.loop(Looper.java:294)
[2026-09-02 01:00:51.966910] [STDOUT] stdout: [        ] E/flutter (12016): 	at android.app.ActivityThread.main(ActivityThread.java:8177)
[2026-09-02 01:00:51.966988] [STDOUT] stdout: [        ] E/flutter (12016): 	at java.lang.reflect.Method.invoke(Native Method)
[2026-09-02 01:00:51.967471] [STDOUT] stdout: [        ] E/flutter (12016): 	at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:552)
[2026-09-02 01:00:51.967511] [STDOUT] stdout: [        ] E/flutter (12016): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:971)
[2026-09-02 01:00:51.967580] [STDOUT] stdout: [        ] E/flutter (12016): 
[2026-09-02 01:00:51.967611] [STDOUT] stdout: [        ] F/flutter (12016): [FATAL:flutter/shell/platform/android/platform_view_android_jni_impl.cc(2394)] Check failed: fml::jni::CheckException(env). 
[2026-09-02 01:00:51.967686] [STDOUT] stdout: [        ] F/libc    (12016): Fatal signal 6 (SIGABRT), code -1 (SI_QUEUE) in tid 12016 (example.gallery), pid 12016 (example.gallery)
[2026-09-02 01:00:52.517759] [STDOUT] stdout: [ +549 ms] *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
[2026-09-02 01:00:52.517837] [STDOUT] stdout: [        ] Build fingerprint: 'google/mokey/mokey:14/UP1A.231105.001.B2/11260668:userdebug/dev-keys'
[2026-09-02 01:00:52.517858] [STDOUT] stdout: [        ] Revision: '0'
[2026-09-02 01:00:52.517873] [STDOUT] stdout: [        ] ABI: 'arm64'
[2026-09-02 01:00:52.521587] [STDOUT] stdout: [   +3 ms] Timestamp: 2026-09-02 01:01:21.346104967-0700
[2026-09-02 01:00:52.521655] [STDOUT] stdout: [        ] Process uptime: 26s
[2026-09-02 01:00:52.521684] [STDOUT] stdout: [        ] Cmdline: com.example.gallery
[2026-09-02 01:00:52.521781] [STDOUT] stdout: [        ] pid: 12016, tid: 12016, name: example.gallery  >>> com.example.gallery <<<
[2026-09-02 01:00:52.521885] [STDOUT] stdout: [        ] uid: 10146
[2026-09-02 01:00:52.521957] [STDOUT] stdout: [        ] signal 6 (SIGABRT), code -1 (SI_QUEUE), fault addr --------
[2026-09-02 01:00:52.522106] [STDOUT] stdout: [        ] Abort message: '[FATAL:flutter/shell/platform/android/platform_view_android_jni_impl.cc(2394)] Check failed: fml::jni::CheckException(env). '
[2026-09-02 01:00:52.522136] [STDOUT] stdout: [        ]     x0  0000000000000000  x1  0000000000002ef0  x2  0000000000000006  x3  0000007fc6d73b00
[2026-09-02 01:00:52.522279] [STDOUT] stdout: [        ]     x4  6d602e6c716e6573  x5  6d602e6c716e6573  x6  6d602e6c716e6573  x7  7f7f7f7f7f7f7f7f
[2026-09-02 01:00:52.522370] [STDOUT] stdout: [        ]     x8  00000000000000f0  x9  000000732f283090  x10 0000000000000001  x11 000000732f2ccf00
[2026-09-02 01:00:52.522457] [STDOUT] stdout: [        ]     x12 0000007fc6d72920  x13 000000000000007e  x14 0000007fc6d729d0  x15 000000004cec4ec5
[2026-09-02 01:00:52.522877] [STDOUT] stdout: [        ]     x16 000000732f339d08  x17 000000732f315810  x18 0000007342bca000  x19 00000000000000ac
[2026-09-02 01:00:52.522931] [STDOUT] stdout: [        ]     x20 00000000000000b2  x21 0000000000002ef0  x22 0000000000002ef0  x23 00000000ffffffff
[2026-09-02 01:00:52.523007] [STDOUT] stdout: [        ]     x24 b4000071ca422dd0  x25 b4000071aa4352c0  x26 b4000071aa435270  x27 0000068b45d25513
[2026-09-02 01:00:52.523042] [STDOUT] stdout: [        ]     x28 b4000071fa4898e8  x29 0000007fc6d73b80
[2026-09-02 01:00:52.523114] [STDOUT] stdout: [        ]     lr  000000732f2bd414  sp  0000007fc6d73ae0  pc  000000732f2bd444  pst 0000000000000000
[2026-09-02 01:00:52.523152] [STDOUT] stdout: [        ] 53 total frames
[2026-09-02 01:00:52.523232] [STDOUT] stdout: [        ] backtrace:
[2026-09-02 01:00:52.523262] [STDOUT] stdout: [        ]       #00 pc 000000000005c444  /apex/com.android.runtime/lib64/bionic/libc.so (abort+180) (BuildId: e28e590ca0e65ae6ef686c6e737bc371)
[2026-09-02 01:00:52.523336] [STDOUT] stdout: [        ]       #01 pc 000000000053c4d8  /data/app/~~L5Iow5oRMkkAeULOaBqbsQ==/com.example.gallery-GmqQIXuQUHGorfTcryF5nQ==/base.apk!libflutter.so (offset 0x1170000) (BuildId: 0a8f82fa66a17a9907885731955af2c5f945bd6e)
[2026-09-02 01:00:52.523420] [STDOUT] stdout: [        ]       #02 pc 000000000053c464  /data/app/~~L5Iow5oRMkkAeULOaBqbsQ==/com.example.gallery-GmqQIXuQUHGorfTcryF5nQ==/base.apk!libflutter.so (offset 0x1170000) (BuildId: 0a8f82fa66a17a9907885731955af2c5f945bd6e)
[2026-09-02 01:00:52.523454] [STDOUT] stdout: [        ]       #03 pc 0000000000522378  /data/app/~~L5Iow5oRMkkAeULOaBqbsQ==/com.example.gallery-GmqQIXuQUHGorfTcryF5nQ==/base.apk!libflutter.so (offset 0x1170000) (BuildId: 0a8f82fa66a17a9907885731955af2c5f945bd6e)
[2026-09-02 01:00:52.523528] [STDOUT] stdout: [        ]       #04 pc 0000000000adfa0c  /data/app/~~L5Iow5oRMkkAeULOaBqbsQ==/com.example.gallery-GmqQIXuQUHGorfTcryF5nQ==/base.apk!libflutter.so (offset 0x1170000) (BuildId: 0a8f82fa66a17a9907885731955af2c5f945bd6e)
[2026-09-02 01:00:52.523615] [STDOUT] stdout: [        ]       #05 pc 000000000053d064  /data/app/~~L5Iow5oRMkkAeULOaBqbsQ==/com.example.gallery-GmqQIXuQUHGorfTcryF5nQ==/base.apk!libflutter.so (offset 0x1170000) (BuildId: 0a8f82fa66a17a9907885731955af2c5f945bd6e)
[2026-09-02 01:00:52.523900] [STDOUT] stdout: [        ]       #06 pc 000000000054117c  /data/app/~~L5Iow5oRMkkAeULOaBqbsQ==/com.example.gallery-GmqQIXuQUHGorfTcryF5nQ==/base.apk!libflutter.so (offset 0x1170000) (BuildId: 0a8f82fa66a17a9907885731955af2c5f945bd6e)
[2026-09-02 01:00:52.523974] [STDOUT] stdout: [        ]       #07 pc 000000000000f2a4  /system/lib64/libutils.so (android::Looper::pollOnce(int, int*, int*, void**)+404) (BuildId: 0e8e9cf6364dca204ca1ef99a2f109bf)
[2026-09-02 01:00:52.524005] [STDOUT] stdout: [        ]       #08 pc 0000000000180a5c  /system/lib64/libandroid_runtime.so (android::android_os_MessageQueue_nativePollOnce(_JNIEnv*, _jobject*, long, int)+44) (BuildId: 5ba0b9258e794363651ce015eb397cf8)
[2026-09-02 01:00:52.524108] [STDOUT] stdout: [        ]       #09 pc 0000000000376e30  /apex/com.android.art/lib64/libart.so (art_quick_generic_jni_trampoline+144) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524146] [STDOUT] stdout: [        ]       #10 pc 00000000003603a4  /apex/com.android.art/lib64/libart.so (art_quick_invoke_stub+612) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524172] [STDOUT] stdout: [        ]       #11 pc 00000000004903a0  /apex/com.android.art/lib64/libart.so (bool art::interpreter::DoCall<false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, bool, art::JValue*)+1004) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524274] [STDOUT] stdout: [        ]       #12 pc 000000000050a3bc  /apex/com.android.art/lib64/libart.so (void art::interpreter::ExecuteSwitchImplCpp<false>(art::interpreter::SwitchImplContext*)+2380) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524330] [STDOUT] stdout: [        ]       #13 pc 00000000003795d8  /apex/com.android.art/lib64/libart.so (ExecuteSwitchImplAsm+8) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524639] [STDOUT] stdout: [        ]       #14 pc 00000000001fcf9c  /system/framework/framework.jar (android.os.MessageQueue.next+0)
[2026-09-02 01:00:52.524713] [STDOUT] stdout: [        ]       #15 pc 000000000037cbfc  /apex/com.android.art/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.__uniq.112435418011751916792819755956732575238.llvm.13156664521685854434)+356) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524825] [STDOUT] stdout: [        ]       #16 pc 0000000000490fb8  /apex/com.android.art/lib64/libart.so (bool art::interpreter::DoCall<false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, bool, art::JValue*)+4100) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524865] [STDOUT] stdout: [        ]       #17 pc 0000000000509d7c  /apex/com.android.art/lib64/libart.so (void art::interpreter::ExecuteSwitchImplCpp<false>(art::interpreter::SwitchImplContext*)+780) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524951] [STDOUT] stdout: [        ]       #18 pc 00000000003795d8  /apex/com.android.art/lib64/libart.so (ExecuteSwitchImplAsm+8) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.524983] [STDOUT] stdout: [        ]       #19 pc 00000000001fbf80  /system/framework/framework.jar (android.os.Looper.loopOnce+0)
[2026-09-02 01:00:52.525013] [STDOUT] stdout: [        ]       #20 pc 000000000037cbfc  /apex/com.android.art/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.__uniq.112435418011751916792819755956732575238.llvm.13156664521685854434)+356) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525093] [STDOUT] stdout: [        ]       #21 pc 0000000000490fb8  /apex/com.android.art/lib64/libart.so (bool art::interpreter::DoCall<false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, bool, art::JValue*)+4100) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525170] [STDOUT] stdout: [        ]       #22 pc 000000000050a0e0  /apex/com.android.art/lib64/libart.so (void art::interpreter::ExecuteSwitchImplCpp<false>(art::interpreter::SwitchImplContext*)+1648) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525265] [STDOUT] stdout: [        ]       #23 pc 00000000003795d8  /apex/com.android.art/lib64/libart.so (ExecuteSwitchImplAsm+8) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525334] [STDOUT] stdout: [        ]       #24 pc 00000000001fc6f4  /system/framework/framework.jar (android.os.Looper.loop+0)
[2026-09-02 01:00:52.525417] [STDOUT] stdout: [        ]       #25 pc 000000000037cbfc  /apex/com.android.art/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.__uniq.112435418011751916792819755956732575238.llvm.13156664521685854434)+356) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525498] [STDOUT] stdout: [        ]       #26 pc 0000000000490fb8  /apex/com.android.art/lib64/libart.so (bool art::interpreter::DoCall<false>(art::ArtMethod*, art::Thread*, art::ShadowFrame&, art::Instruction const*, unsigned short, bool, art::JValue*)+4100) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525526] [STDOUT] stdout: [        ]       #27 pc 000000000050a0e0  /apex/com.android.art/lib64/libart.so (void art::interpreter::ExecuteSwitchImplCpp<false>(art::interpreter::SwitchImplContext*)+1648) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525580] [STDOUT] stdout: [        ]       #28 pc 00000000003795d8  /apex/com.android.art/lib64/libart.so (ExecuteSwitchImplAsm+8) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525621] [STDOUT] stdout: [        ]       #29 pc 00000000001c398c  /system/framework/framework.jar (android.app.ActivityThread.main+0)
[2026-09-02 01:00:52.525633] [STDOUT] stdout: [        ]       #30 pc 000000000037cbfc  /apex/com.android.art/lib64/libart.so (art::interpreter::Execute(art::Thread*, art::CodeItemDataAccessor const&, art::ShadowFrame&, art::JValue, bool, bool) (.__uniq.112435418011751916792819755956732575238.llvm.13156664521685854434)+356) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525670] [STDOUT] stdout: [        ]       #31 pc 000000000037c3dc  /apex/com.android.art/lib64/libart.so (artQuickToInterpreterBridge+788) (BuildId: b221ddf9493596dec8a84b0692083bef)
[2026-09-02 01:00:52.525695] [STDOUT] stdout: [        ]       #32 pc 0000000000376f68  /apex/com.android.art/lib64/libart.so (art_quick_to_interpreter_bridge+88) (BuildId: b221ddf9493596dec8a84b0692083bef)
  5. gaaclarke
    added
    team-androidOwned by Android platform team
    and removed
    team-engineOwned by Engine team
    on Sep 14, 2026
  6. gaaclarke
    unassigned
    jtmcdole
    on Sep 14, 2026
  7. mboetger
    assigned
    gmackall
    on Sep 15, 2026
  8. mboetger
    added
    triaged-androidTriaged by Android platform team
    on Sep 15, 2026

  9. fluttergithubbot commented on Sep 16, 2026

    @fluttergithubbot
    fluttergithubbot
    on Sep 16, 2026
    ContributorAuthor

    [prod pool] flaky ratio for the past (up to) 100 commits between 2026-09-09 and 2026-09-15 is 1.02%. Flaky number: 1; total number: 98.
    One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20flutter_gallery__transition_perf_with_semantics/11967
    Commit: b1602f6
    Flaky builds:
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20flutter_gallery__transition_perf_with_semantics/11967

    Recent test runs:
    https://flutter-dashboard.appspot.com/#/build?taskFilter=Linux_mokey%20flutter_gallery__transition_perf_with_semantics

  10. Piinks commented on Sep 21, 2026

    @Piinks
    Piinks
    on Sep 21, 2026
    Contributor

    Closing as the determined dupe is also no longer flaking #192172

  11. Piinks
    closed this as completedon Sep 21, 2026

  12. github-actions commented on Oct 5, 2026

    @github-actions
    github-actionsbot
    on Oct 5, 2026 – with 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.

  13. github-actions
    locked as resolved and limited conversation to collaborators on Oct 5, 2026
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P0Critical issues such as a build break or regressionc: flakeTests that sometimes, but not always, incorrectly passteam-androidOwned by Android platform teamtriaged-androidTriaged by Android platform team

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