"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	Repository	Step Name	Console log	Pull Request
1579614	dotnet/maui	Controls Label	Log
1580168	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1579360	dotnet/maui	Controls SearchBar,Shape,Slider		dotnet/maui#38086
1579244	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1579181	dotnet/runtime	osx-arm64 Release NativeAOT		dotnet/runtime#133109
1578056	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1578024	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1577986	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#133061
1577520	dotnet/runtime	osx-arm64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#132970
1577318	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_NativeAOT_Smoke		dotnet/runtime#132978
1576744	dotnet/runtime	ios-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#133013
1576080	dotnet/runtime	CoreCLR Product Build osx x64 checked		dotnet/runtime#132996
1575659	dotnet/maui	Controls Cells,CheckBox,ContextActions,CustomRenderers,DatePicker,Dispatcher,DisplayAlert,DisplayPrompt,DragAndDrop
1575291	dotnet/maui	Controls Layout		dotnet/maui#37746
1574584	dotnet/maui	Controls Accessibility,ActionSheet,ActivityIndicator,Animation,AppLinks		dotnet/maui#38022
1573930	dotnet/maui	Controls Shell
1573927	dotnet/runtime	osx-arm64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#132934
1573739	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1573706	dotnet/maui	Controls ViewBaseTests,VisualStateManager,Window
1573536	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1572803	dotnet/maui	Controls WebView
1572675	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1572632	dotnet/runtime	osx-arm64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#132797
1572029	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1571553	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1571247	dotnet/runtime	osx-x64 Release Mono_MiniJIT_LibrariesTests
1571086	dotnet/runtime	osx-x64 Release AllSubsets_Mono		dotnet/runtime#132275
1570620	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1569429	dotnet/runtime	coreclr Pri1 Runtime Tests Run osx x64 checked
1569411	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests		dotnet/runtime#132348
1568418	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1567223	dotnet/runtime	ios-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#132740
1567122	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1566964	dotnet/maui	Controls ListView
1566262	dotnet/maui	Controls ViewBaseTests,VisualStateManager,Window		dotnet/maui#37438
1565927	dotnet/runtime	ios-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#132637
1563837	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1563430	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests	Log
1563425	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1563399	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1563315	dotnet/runtime	osx-arm64 debug Mono_Runtime		dotnet/runtime#132635
1562880	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1562382	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1561753	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests	Log
1561700	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1561283	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono_RuntimeTests	Log
1561204	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#131686
1560937	dotnet/runtime	osx-arm64 release CoreCLR_Libraries
1560771	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1560207	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1559993	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1559197	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono
1558950	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_Mono
1558907	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#132508
1558761	dotnet/aspnetcore	Test: macOS		dotnet/aspnetcore#68465
1558293	dotnet/maui	Controls ScrollView
1558022	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1557620	dotnet/runtime	osx-arm64 Debug CoreCLR_AllSubsets		dotnet/runtime#132477
1557559	dotnet/maui	Controls ScrollView
1557346	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests		dotnet/runtime#132467
1556608	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1556434	dotnet/runtime	osx-arm64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#132437
1555560	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1555133	dotnet/machinelearning	MacOS_x64 Debug_Build		dotnet/machinelearning#7570
1554194	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Interpreter_RuntimeTests monointerpreter		dotnet/runtime#131507
1552964	dotnet/maui	Controls TabbedPage,TableView,TimePicker,TitleView,ToolbarItem,Triggers
1552059	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests		dotnet/runtime#132216
1550856	dotnet/installer	Darwin_Build_Release_x64
1549539	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1547800	dotnet/runtime	osx-arm64 Release NativeAOT		dotnet/runtime#132114
1547481	dotnet/sdk	Mac arm64
1547464	dotnet/runtime	osx-arm64 Release NativeAOT_Libraries		dotnet/runtime#130368
1546065	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1545681	dotnet/runtime	coreclr Pri1 Runtime Tests Run R2R osx arm64 checked
1545668	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1544675	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests		dotnet/runtime#132002
1543322	dotnet/maui	Controls CollectionView
1543513	dotnet/runtime	osx-x64 Release AllSubsets_Mono		dotnet/runtime#131971
1542078	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1541749	dotnet/maui	Controls Navigation
1541356	dotnet/sdk	Mac arm64		dotnet/sdk#55595
1541352	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1540764	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1540423	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests
1539767	dotnet/runtime	osx-arm64 Release Installer_Build_And_Test
1539846	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Interpreter_RuntimeTests monointerpreter		dotnet/runtime#131829

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
5	27	86

[lewing]

#1919 is a similar looking mac host infra failure

[lewing]

as is #1883

[missymessa]

@jeffschwMSFT @lewing is this still an issue?

[lewing]

Yes, there are recent hits

[AraHaan]

This happened again today.