[ci-scan] Hang: System.Net.WebSockets.Client.Tests times out on Apple (tvos/iossimulator) after 4500s

[github-actions]

Build Information

Build: https://dev.azure.com/dnceng-public/public/_build/results?buildId=1522836
Build error leg or test failing: tvos-arm64 Release AllSubsets_NativeAOT / iossimulator-x64 Release AllSubsets_CoreCLR - System.Net.WebSockets.Client.Tests

Error Details

[FAIL] System.Net.WebSockets.Client.Tests.SendReceiveTest_Invoker_Http2Loopback.ReceiveAsync_MultipleOutstandingReceiveOperations_Throws
[FAIL] System.Net.WebSockets.Client.Tests.AbortTest_SharedHandler_Loopback.ServerPrematureEos_ClientGetsCorrectException
fail: Run timed out after 4500 seconds

Error Message

{
  "ErrorMessage": [
    "System.Net.WebSockets.Client.Tests",
    "Run timed out after 4500 seconds"
  ],
  "ErrorPattern": "",
  "BuildRetry": false,
  "ExcludeConsoleLog": false
}

---

Filed by ci-failure-scan (detection only). ci-failure-fix walks open [ci-scan] KBEs and either opens a small fix PR or comments here to loop in owners — it never disables the test.

Note

This issue was generated by an AI agent (GitHub Copilot / ci-failure-scan).

Warning

Firewall blocked 1 domain

The following domain was blocked by the firewall during workflow execution:

• awmgmcpg

To allow these domains, add them to the network.allowed list in your workflow frontmatter:

network:
  allowed:
    - defaults
    - "awmgmcpg"

See Network Configuration for more information.

Generated by CI Outer-Loop Failure Scanner · 733.7 AIC · ⌖ 15.6 AIC · ⊞ 18.6K · ◷

Report

Build	Repository	Test	Pull Request
1526936	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution
1526281	dotnet/runtime	System.Net.WebSockets.Client.Tests.WorkItemExecution

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	2	2

[dotnet-policy-service]

Tagging subscribers to 'os-tvos': @vitek-karas, @kotlarmilos, @steveisok, @akoeplinger
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