"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
1434660	dotnet/runtime	osx-x64 Debug Installer_Build_And_Test		dotnet/runtime#128316
2983764	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release	Log
1434580	dotnet/sdk	TestBuild: macOS (arm64)		dotnet/sdk#54428
1434513	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx arm64 checked		dotnet/runtime#128559
2983826	dotnet-maui	Build Device Tests (Mono)
1434527	dotnet/sdk	AoT: macOS (x64)		dotnet/sdk#54092
1434254	dotnet/maui	Controls Image,ImageButton,IndicatorView,InputTransparent,IsEnabled,IsVisible		dotnet/maui#34758
1434476	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128558
1434461	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#126220
2983768	dotnet-maui	Build Device Tests (Mono)
2983741	dotnet-maui	Build macOS
2983727	dotnet-maui	MultiProject macOS
1434386	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#128091
1434322	dotnet/runtime	ios-arm64 Release AllSubsets_Mono_Smoke		dotnet/runtime#126705
2983624	dotnet-runtime	Installer Build and Test coreclr osx_x64 Release		#60853
1434024	dotnet/maui	Controls Page,Performance,Picker,ProgressBar	Log	dotnet/maui#35523
2983622	dotnet-maui	Build Device Tests (Mono)
2983582	dotnet-maui	Build macOS
2983584	dotnet-maui	Build Device Tests (Mono)
1434095	dotnet/runtime	maccatalyst-x64 Release AllSubsets_NativeAOT_Smoke		dotnet/runtime#128448
1434067	dotnet/runtime	osx-x64 Release NativeAOT_Libs
1433825	dotnet/maui	Controls CarouselView	Log
1434000	dotnet/runtime	osx-x64 release CrossAOT_Mono crossaot
2983498	dotnet-node	macOS arm64	Log
1433979	dotnet/sdk	TestBuild: macOS (arm64)
1433749	dotnet/runtime	osx-x64 release CoreCLR_Libraries		dotnet/runtime#128351
1433713	dotnet/runtime	Libraries Test Run checked coreclr osx arm64 Debug		dotnet/runtime#128542
1433744	dotnet/runtime	maccatalyst-x64 Release AllSubsets_CoreCLR
2983062	dotnet-dotnet	OSX_x64	Log
2983212	dotnet-maui	Build Device Tests (Mono)
1433563	dotnet/runtime	osx-arm64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#128522
2983141	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2982920	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
1433163	dotnet/runtime	osx-arm64 debug Mono_Runtime		dotnet/runtime#128516
1433143	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR
2982748	dotnet-performance	Performance nativeaot_scenarios windows Win11 x64 Viper 9.0
2982567	dotnet-maui	Build Device Tests (Mono)
1432734	dotnet/runtime	osx-x64 release Runtime_Release
1432621	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_Mono_RuntimeTests
1432388	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx x64 checked		dotnet/runtime#128496
2982177	dotnet-maui	Build Device Tests (Mono)
2982050	dotnet-maui	Controls (vlatest)
1432104	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx x64 checked		dotnet/runtime#128499
2982040	dotnet-maui	Samples macOS
2982029	dotnet-maui	Samples macOS
1431943	dotnet/runtime	osx-arm64 release Installer_Build_And_Test		dotnet/runtime#100729
1431538	dotnet/runtime	iossimulator-arm64 Release AllSubsets_CoreCLR	Log	dotnet/runtime#128409
1432113	dotnet/aspnetcore	Build: macOS arm64
2981998	dotnet-maui	Build Device Tests (Mono)
1431914	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128494
1431658	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx arm64 checked		dotnet/runtime#125412
2981848	dotnet-maui	Samples macOS
1431792	dotnet/runtime	maccatalyst-x64 Release AllSubsets_Mono_RuntimeTests
2981849	dotnet-maui	Controls Editor,Effects,Essentials,FlyoutPage,Focus,Fonts,Frame,Gestures,GraphicsView
1431745	dotnet/runtime	tvossimulator-arm64 Debug AllSubsets_Mono		dotnet/runtime#127749
2981850	dotnet-maui	Build Device Tests (Mono)
1431724	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_NativeAOT_Smoke		dotnet/runtime#128488
1431641	dotnet/runtime	osx-arm64 Debug CoreCLR_Libraries		dotnet/runtime#128463
1431280	dotnet/maui	Controls Cells,CheckBox,ContextActions,CustomRenderers,DatePicker,Dispatcher,DisplayAlert,DisplayPrompt,DragAndDrop	Log
1431552	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests		dotnet/runtime#128408
1431345	dotnet/runtime	Libraries Test Run release coreclr osx x64 Debug		dotnet/runtime#125410
1431460	dotnet/runtime	osx-x64 Debug AllSubsets_Mono_LLVMAOT		dotnet/runtime#128409
2981687	dotnet-maui	Build Device Tests (Mono)
1431370	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_NativeAOT		dotnet/runtime#125437
2981660	dotnet-maui	Build macOS
1431368	dotnet/runtime	osx-arm64 release CrossAOT_Mono crossaot		dotnet/runtime#128477
1431242	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Interpreter_RuntimeTests monointerpreter		dotnet/runtime#127762
1431244	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#127762
1431186	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#125437
1431191	dotnet/runtime	osx-x64 Release NativeAOT_Libs		dotnet/runtime#128432
1431117	dotnet/maui	Controls Shell		dotnet/maui#35577
1431072	dotnet/maui	Controls Layout		dotnet/maui#35563
1431076	dotnet/runtime	ios-arm64 Release AllSubsets_Mono_Smoke		dotnet/runtime#128454
1431054	dotnet/runtime	osx-arm64 Release NativeAOT		dotnet/runtime#128463
1430925	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR
1430844	dotnet/runtime	ios-arm64 Release AllSubsets_Mono_Smoke		dotnet/runtime#128467
1430827	dotnet/runtime	osx-arm64 debug
2981131	dotnet-maui	Samples macOS
2981193	dotnet-maui	Build Device Tests (Mono)
2981133	dotnet-maui	Build Device Tests (Mono)
1429871	dotnet/runtime	iossimulator-arm64 Release AllSubsets_CoreCLR		dotnet/runtime#125437
1430286	dotnet/runtime	osx-x64 release CoreCLR_Libraries		dotnet/runtime#128384
1430230	dotnet/maui	Controls Page,Performance,Picker,ProgressBar		dotnet/maui#35566
1430225	dotnet/sdk	TestBuild: macOS (arm64)		dotnet/sdk#54400
1430091	dotnet/runtime	osx-x64 Debug Installer_Build_And_Test		dotnet/runtime#127989
2980949	dotnet-maui	Build macOS (Release)
1430041	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#127889
2980929	dotnet-maui	Build Device Tests (Mono)
1429903	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#127749
2980908	dotnet-maui	Build macOS (Release)
1429884	dotnet/runtime	osx-arm64 Debug CoreCLR_Libraries		dotnet/runtime#127228
2980887	dotnet-maui	Build Device Tests (Mono)
1429835	dotnet/runtime	osx-x64 release CoreCLR_Libraries		dotnet/runtime#128365
1429493	dotnet/maui	Controls Shell	Log	dotnet/maui#35362
2980808	dotnet-maui	Build macOS
2980840	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#60853
1429695	dotnet/maui	Controls Border,BoxView,Brush,Button		dotnet/maui#35484
2980810	dotnet-maui	Build Device Tests (Mono)
1429700	dotnet/runtime	maccatalyst-x64 Release AllSubsets_CoreCLR		dotnet/runtime#128409
1429510	dotnet/runtime	coreclr Pri1 Runtime Tests Run osx x64 checked		dotnet/runtime#127894
Displaying 100 of 320 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
29	172	320

[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.