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Linux_mokey hybrid_android_views_integration_test is 3.06% flaky #190992

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Linux_mokey hybrid_android_views_integration_test is 3.06% flaky#190992
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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

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@fluttergithubbot
fluttergithubbot
opened on Aug 12, 2026

The post-submit test builder Linux_mokey hybrid_android_views_integration_test had a flaky ratio 3.06% 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%20hybrid_android_views_integration_test/2959
Commit: 3f2a8ba

Flaky builds:
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/2959
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/2904
https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/2891

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

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
    gmackall
    on Aug 12, 2026
  2. fluttergithubbot
    added
    P0Critical issues such as a build break or regression
    c: flakeTests that sometimes, but not always, incorrectly pass
    on Aug 12, 2026

  3. jtmcdole commented on Aug 12, 2026

    @jtmcdole
    jtmcdole
    on Aug 12, 2026
    Member
     [2026-08-11 18:23:58.407734] [STDOUT] stdout: [   +8 ms] "flutter drive" took 148,219ms.
 [2026-08-11 18:23:58.419541] [STDOUT] stderr: [  +11 ms] 
 [2026-08-11 18:23:58.419715] [STDOUT] stderr:            #0      throwToolExit (package:flutter_tools/src/base/common.dart:34:3)
 [2026-08-11 18:23:58.419802] [STDOUT] stderr:            #1      DriveCommand.runCommand (package:flutter_tools/src/commands/drive.dart:407:9)
 [2026-08-11 18:23:58.423742] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.423873] [STDOUT] stderr:            #2      FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1680:27)
 [2026-08-11 18:23:58.423965] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.424041] [STDOUT] stderr:            #3      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:19)
 [2026-08-11 18:23:58.424114] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.424185] [STDOUT] stderr:            #4      CommandRunner.runCommand (package:args/command_runner.dart:212:13)
 [2026-08-11 18:23:58.424271] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.424347] [STDOUT] stderr:            #5      FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:496:9)
 [2026-08-11 18:23:58.424430] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.424493] [STDOUT] stderr:            #6      AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:19)
 [2026-08-11 18:23:58.424564] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.424625] [STDOUT] stderr:            #7      FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:431:5)
 [2026-08-11 18:23:58.424714] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.427083] [STDOUT] stderr:            #8      FlutterCommandRunner.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:307:33)
 [2026-08-11 18:23:58.427193] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.427278] [STDOUT] stderr:            #9      run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:104:11)
 [2026-08-11 18:23:58.427347] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.427412] [STDOUT] stderr:            #10     AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:19)
 [2026-08-11 18:23:58.427479] [STDOUT] stderr:            <asynchronous suspension>
 [2026-08-11 18:23:58.427542] [STDOUT] stderr:            #11     main (package:flutter_tools/executable.dart:103:3)
 [2026-08-11 18:23:58.427607] [STDOUT] stderr:            <asynchronous suspension>

  4. jmagman commented on Aug 18, 2026

    @jmagman
    jmagman
    on Aug 18, 2026
    Member
    [2026-08-11 18:23:54.590024] [STDOUT] stdout: [   +7 ms] 00:16 �[32m+3�[0m�[31m -1�[0m: Flutter surface with hybrid composition Uses FlutterImageView when Android view is on the screen�[0m
[2026-08-11 18:23:54.620765] [STDOUT] stdout: [  +30 ms] I/PlatformViewsChannel(12564): Using legacy platform view rendering strategy.
[2026-08-11 18:23:54.623552] [STDOUT] stdout: [   +2 ms] I/PlatformViewsController(12564): Using hybrid composition for platform view: 5
[2026-08-11 18:23:54.675814] [STDOUT] stdout: [  +51 ms] E/gralloc4(12564): ERROR: Format allocation info not found for format: 38
[2026-08-11 18:23:54.675942] [STDOUT] stdout: [        ] E/gralloc4(12564): ERROR: Format allocation info not found for format: 0
[2026-08-11 18:23:54.678496] [STDOUT] stdout: [        ] E/gralloc4(12564): Invalid base format! req_base_format = 0x0, req_format = 0x38, type = 0x0
[2026-08-11 18:23:54.678583] [STDOUT] stdout: [   +1 ms] E/gralloc4(12564): ERROR: Unrecognized and/or unsupported format 0x38 and usage 0x300
[2026-08-11 18:23:54.678611] [STDOUT] stdout: [        ] E/Gralloc4(12564): isSupported(1, 1, 56, 1, ...) failed with 5

    Something with impeller and vulkan (?), but can't be a hardware problem because it's failing and then passing on the same device.

    When the test failed on https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/2904/overview
    the screenshot was mid-nav animation?
    Image

  5. Piinks
    added
    team-engineOwned by Engine team
    on Aug 24, 2026
  6. gaaclarke
    added
    team-androidOwned by Android platform team
    and removed
    team-engineOwned by Engine team
    on Aug 24, 2026

  7. fluttergithubbot commented on Aug 26, 2026

    @fluttergithubbot
    fluttergithubbot
    on Aug 26, 2026
    ContributorAuthor

    [prod pool] flaky ratio for the past (up to) 100 commits between 2026-08-20 and 2026-08-25 is 6.00%. Flaky number: 6; total number: 100.
    One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3236
    Commit: 0c0d059
    Flaky builds:
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3236
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3227
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3199
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3190
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3184
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3167

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

  8. fluttergithubbot commented on Sep 2, 2026

    @fluttergithubbot
    fluttergithubbot
    on Sep 2, 2026
    ContributorAuthor

    [prod pool] flaky ratio for the past (up to) 100 commits between 2026-08-27 and 2026-09-01 is 7.00%. Flaky number: 7; total number: 100.
    One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3412
    Commit: dbdf0ce
    Flaky builds:
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3412
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3389
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3380
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3376
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3354
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3352
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3343

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

  9. pull
    added a commit that references this issue on Sep 3, 2026

    Deflake hybrid_android_views_integration_test (flutter#191830)

    ed7a2c2

  10. gmackall commented on Sep 8, 2026

    @gmackall
    gmackall
    on Sep 8, 2026
    Member

    Waiting for an additional flakiness report post merging #191830

  11. fluttergithubbot commented on Sep 9, 2026

    @fluttergithubbot
    fluttergithubbot
    on Sep 9, 2026
    ContributorAuthor

    [prod pool] flaky ratio for the past (up to) 100 commits between 2026-09-01 and 2026-09-08 is 3.13%. Flaky number: 3; total number: 96.
    One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3430
    Commit: 644a7c8
    Flaky builds:
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3430
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3425
    https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3424

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

  12. gmackall commented on Sep 9, 2026

    @gmackall
    gmackall
    on Sep 9, 2026
    Member

    [prod pool] flaky ratio for the past (up to) 100 commits between 2026-09-01 and 2026-09-08 is 3.13%. Flaky number: 3; total number: 96. One recent flaky example for a same commit: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3430 Commit: 644a7c8 Flaky builds: https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3430 https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3425 https://ci.chromium.org/ui/p/flutter/builders/prod/Linux_mokey%20hybrid_android_views_integration_test/3424

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

    All these flakes were pre #191830 which is promising. Will continue to monitor

  13. mboetger
    added
    triaged-androidTriaged by Android platform team
    on Sep 15, 2026

  14. 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 0.00%. Flaky number: 0; total number: 98.

  15. gmackall commented on Sep 16, 2026

    @gmackall
    gmackall
    on Sep 16, 2026
    Member

    No flakes since sept 2, so it seems likely this is resolved. I'm going to close!

  16. gmackall
    closed this as completedon Sep 16, 2026

  17. github-actions commented on Sep 30, 2026

    @github-actions
    github-actionsBot
    on Sep 30, 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.

  18. github-actions
    locked as resolved and limited conversation to collaborators on Sep 30, 2026
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