"We stopped hearing from agent Azure Pipelines 32. Verify the agent machine is running and has a healthy network connection"

[jeffschwMSFT]

Build

https://dev.azure.com/dnceng/internal/_build/results?buildId=2361240

Error:

##[error]We stopped hearing from agent Azure Pipelines 32. Verify the agent machine is running and has a healthy network connection. Anything that terminates an agent process, starves it for CPU, or blocks its network access can cause this error. For more information, see: https://go.microsoft.com/fwlink/?linkid=846610

Build leg reported

No response

Pull Request

No response

Known issue core information

Fill out the known issue JSON section by following the step by step documentation on how to create a known issue

 {
    "ErrorMessage" : "",
    "BuildRetry": false,
    "ErrorPattern": "We stopped hearing from agent Azure Pipelines .*. Verify the agent machine is running and has a healthy network connection. Anything that terminates an agent process, starves it for CPU, or blocks its network access can cause this error.",
    "ExcludeConsoleLog": false
 }

@dotnet/dnceng

Release Note Category

• Feature changes/additions
• Bug fixes
• Internal Infrastructure Improvements

Release Note Description

Additional information about the issue reported

No response

Known issue validation

Build: 🔎 https://dev.azure.com/dnceng/internal/_build/results?buildId=2361240
Error message validated: [We stopped hearing from agent Azure Pipelines .*. Verify the agent machine is running and has a healthy network connection. Anything that terminates an agent process, starves it for CPU, or blocks its network access can cause this error.]
Result validation: ✅ Known issue matched with the provided build.
Validation performed at: 2/7/2024 1:03:13 AM UTC

Report

Build	Definition	Step Name	Console log	Pull Request
2468915	dotnet-performance	osx 13 x64 maui_scenarios_ios mono iPhoneMini12 8.0_Link
2468479	dotnet-performance	osx 13 x64 maui_scenarios_ios mono iPhoneMini12 8.0_Link
697753	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx arm64 checked		dotnet/runtime#102736
692513	dotnet/runtime	Build OSX x64 release Runtime_Release		dotnet/runtime#102558
2463271	dotnet-dotnet-monitor	CodeQL MacOS arm64 Release
690106	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#102780
689470	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#102754
689150	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#102738
686590	dotnet/aspnetcore	Test: macOS		dotnet/aspnetcore#55865
686579	dotnet/runtime	CoreCLR Product Build OSX x64 release		dotnet/runtime#102558
686582	dotnet/runtime	Build MacCatalyst x64 Release AllSubsets_Mono		dotnet/runtime#102558
685385	dotnet/runtime	Build MacCatalyst x64 Release AllSubsets_Mono		dotnet/runtime#102558
680066	dotnet/sdk	iOSSimulator_Shortstack_arm64		dotnet/sdk#40988
2454010	dotnet-runtime	iossimulator-x64 release NativeAOT
2453853	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2452705	dotnet-runtime	iossimulator-arm64 release NativeAOT
2452680	dotnet-performance	osx 13 x64 maui_scenarios_ios iPhoneMini12 release/7.0
677500	dotnet/sdk	Darwin Build_Release		dotnet/sdk#40887
673710	dotnet/aspnetcore	Tests: macOS		dotnet/aspnetcore#55691
673708	dotnet/aspnetcore	Build: macOS x64		dotnet/aspnetcore#55691
2449760	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	3	21

[lewing]

#1919 is a similar looking mac host infra failure

[lewing]

as is #1883