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Assert failure in GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd #130432

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Assert failure in GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd#130432
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Known Build ErrorUse this to report build issues in the .NET Helix tabarea-GC-coreclrblocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
Milestone
Future

Description

@JulieLeeMSFT
JulieLeeMSFT
opened on Jul 9, 2026

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1501377
Build error leg or test failing: GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd

Error Message

Fill the error message using step by step known issues guidance.

{
  "ErrorPattern": "CORECLR! GCCoop::GCCoop \\+.+\\(.+\\)",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng-public/public/_build/results?buildId=1501377
Error message validated: [CORECLR! GCCoop::GCCoop \+.+\(.+\)]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 7/9/2026 8:59:41 PM UTC

Report

Build Repository Test Pull Request
1639544 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1636970 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1633512 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1631176 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1628082 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1624892 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1622627 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1619569 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1616152 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1613812 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1610630 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1607168 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
1604181 dotnet/runtime GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd

Summary

24-Hour Hit Count 7-Day Hit Count 1-Month Count
0 3 13

Activity

  1. JulieLeeMSFT
    added
    Known Build ErrorUse this to report build issues in the .NET Helix tab
    on Jul 9, 2026
  2. dotnet-policy-service
    added
    untriagedNew issue has not been triaged by the area owner
    on Jul 9, 2026
  3. github-actions
    added
    area-GC-coreclr
    on Jul 9, 2026
  4. github-project-automation
    added this to AppModelon Jul 9, 2026

  5. dotnet-policy-service commented on Jul 9, 2026

    @dotnet-policy-service
    dotnet-policy-serviceBot
    on Jul 9, 2026 – with Dotnet Policy Service
    Contributor

    Tagging subscribers to this area: @anicka-net, @dotnet/gc
    See info in area-owners.md if you want to be subscribed.

  6. JulieLeeMSFT commented on Jul 9, 2026

    @JulieLeeMSFT
    JulieLeeMSFT
    on Jul 9, 2026
    MemberAuthor

    gc-standalone GC/API tests crash on a native pThread assert via GCCoop::GCCoop.
    Other failures in the same test: OOM (#130302) and SIGSEGV (#130211).

  7. JulieLeeMSFT
    added
    blocking-clean-ciBlocking PR or rolling runs of 'runtime' or 'runtime-extra-platforms'
    on Jul 9, 2026

  8. JulieLeeMSFT commented on Jul 9, 2026

    @JulieLeeMSFT
    JulieLeeMSFT
    on Jul 9, 2026
    MemberAuthor

    Failed tests:

    • coreclr windows arm64 Checked gcstandaloneserver @ Windows.11.Arm64.Open
    • coreclr windows x64 Checked gcstandaloneserver @ Windows.10.Amd64.Open
      • GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
      • GC/API/GC/GetConfigurationVariables/GetConfigurationVariables.cmd
      • GC/API/Refresh/Refresh/Refresh.cmd
  9. janvorli
    added this to the 11.0.0 milestone on Jul 14, 2026
  10. janvorli
    removed
    untriagedNew issue has not been triaged by the area owner
    on Jul 14, 2026

  11. janvorli commented on Jul 14, 2026

    @janvorli
    janvorli
    on Jul 14, 2026
    Member

    These issues are all in gc-standalone pipeline. I can repro it locally. The GC initialization fails in case large pages are requested with GC in segments mode.

  12. JulieLeeMSFT commented on Jul 22, 2026

    @JulieLeeMSFT
    JulieLeeMSFT
    on Jul 22, 2026
    MemberAuthor

    @janvorli, is this the same error? It failed in naot outerloop.

    Failed in (1):

    Console Log: Console Log
    Source: runtime-nativeaot-outerloop / coreclr windows x64 Checked @ Windows.10.Amd64.Open / GC\API\GC\Collect_Aggressive_LargePages\Collect_Aggressive_LargePages.cmd

    Failed tests:

    - coreclr windows x64 Checked @ Windows.10.Amd64.Open
  - GC\API\GC\Collect_Aggressive_LargePages\Collect_Aggressive_LargePages.cmd

    Error Message:

    call C:\h\w\ADFF0973\p\nativeaottest.cmd C:\h\w\ADFF0973\w\95310865\e\GC\API\GC\Collect_Aggressive_LargePages\ Collect_Aggressive_LargePages.dll 
Expected: 100
Actual: -1
END EXECUTION - FAILED

  13. janvorli commented on Jul 22, 2026

    @janvorli
    janvorli
    on Jul 22, 2026
    Member

    @JulieLeeMSFT that one is a timeout, so it is a different issue.

  14. VincentBu commented on Jul 28, 2026

    @VincentBu
    VincentBu
    on Jul 28, 2026
    Contributor

    Failed in: gc-standalone 20260726.1

    Failed tests:

    coreclr windows arm64 Checked gcstandaloneserver @ Windows.11.Arm64.Open
- GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd
coreclr windows x64 Checked gcstandaloneserver @ Windows.10.Amd64.Open
- GC/API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd

    Error message:

    
Assert failure(PID 8460 [0x0000210c], Thread: 8940 [0x22ec]): pThread

CORECLR! GCCoop::GCCoop + 0x50 (0x00007ff9`64b83000)
CORECLR! CLRLastThrownObjectException::Validate + 0x3C (0x00007ff9`64ef13ec)
CORECLR! `EEStartupHelper'::`1'::catch$8 + 0x84 (0x00007ff9`651e4104)
CORECLR! CallSettingFrame + 0x68 (0x00007ff9`64b65b80)
CORECLR! _FrameHandler3::CxxCallCatchBlock + 0x1C0 (0x00007ff9`650b9200)
<no module>! <no symbol> + 0x0 (0x733efff9`93d33178)
    File: D:�_work1ssrccoreclr�m	hreads.inl:44
    Image: C:hwAAEB0999pcorerun.exe


Return code:      1
Raw output file:      C:hwAAEB0999w9E130886uploadsAPIGCCollect_Aggressive_LargePagesoutput.txt
Raw output:
BEGIN EXECUTION
 "C:hwAAEB0999pcorerun.exe" -p "System.Reflection.Metadata.MetadataUpdater.IsSupported=false" -p "System.Runtime.Serialization.EnableUnsafeBinaryFormatterSerialization=true"  Collect_Aggressive_LargePages.dll 
Expected: 100
Actual: -1073740286
END EXECUTION - FAILED
FAILED
Test Harness Exitcode is : 1
To run the test:
Set up CORE_ROOT and run.
> C:hwAAEB0999w9E130886eGCGC../API/GC/Collect_Aggressive_LargePages/Collect_Aggressive_LargePages.cmd

    Stack trace:

       at Xunit.Assert.True(Nullable`1 condition, String userMessage) in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/BooleanAsserts.cs:line 135
   at Program.<<Main>$>g__TestExecutor24|0_25(StreamWriter tempLogSw, StreamWriter statsCsvSw, <>c__DisplayClass0_0&)

  15. janvorli commented on Aug 7, 2026

    @janvorli
    janvorli
    on Aug 7, 2026
    Member

    The test is incompatible with GC segments mode which we test in the gc-standalone leg, because it sets the DOTNET_GCHeapHardLimit and DOTNET_GCLargePages together and that combination cannot work with segments.
    I'll leave the issue open until the gc-standalone leg is really suspended.

  16. janvorli
    modified the milestones: 11.0.0, Future on Aug 7, 2026
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