"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
1419857	dotnet/runtime	ios-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#128106
2974194	dotnet-maui	Controls (vlatest) ViewBaseTests,VisualStateManager,Window	Log
2973915	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
1418532	dotnet/runtime	osx-x64 Release AllSubsets_Mono_LLVMAOT
2973420	dotnet-performance	Performance maui_scenarios_android Default Mono_Debug windows 22H2 x64 GalaxyA16 main
1417639	dotnet/runtime	ios-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#127843
1417817	dotnet/aspnetcore	Tests: macOS		dotnet/aspnetcore#66662
1417637	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono_RuntimeTests		dotnet/runtime#128068
1417611	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_Mono_AppSandbox		dotnet/runtime#128049
2972399	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release	Log
1416626	dotnet/runtime	osx-x64 release CoreCLR_Libraries		dotnet/runtime#128010
1416361	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128039
2972137	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#60853
2971911	dotnet-maui	Controls (vlatest)
2971923	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#60854
2971601	dotnet-dotnet	OSX_Shortstack_Mono_LLVMAOT_x64
2971533	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
1413418	dotnet/runtime	osx-arm64 Release NativeAOT_Libraries		dotnet/runtime#127319
2969903	dotnet-dotnet	OSX_x64
2969811	dotnet-maui	Controls (vlatest) ListView
2969721	dotnet-maui	Build macOS
1412300	dotnet/maui	Controls SoftInput,Stepper,Switch,SwipeView		dotnet/maui#35325
2969543	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#60854
1412170	dotnet/runtime	osx-arm64 Release NativeAOT_Libraries		dotnet/runtime#122093
1412146	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#125097
2969255	dotnet-maui	Controls (vlatest) WebView
2969256	dotnet-maui	Build Device Tests (Mono)
2968897	dotnet-maui	Controls (vlatest) Shell	Log
2968881	dotnet-runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		#60855
2968876	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#60854
2968875	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#60853
1410665	dotnet/runtime	ios-arm64 Release AllSubsets_NativeAOT_Smoke		dotnet/runtime#127328
2968551	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#60831
2968506	dotnet-runtime	osx-x64 release NativeAOT
2968363	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#60646
1409042	dotnet/runtime	maccatalyst-x64 Release AllSubsets_Mono
1409009	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#127659
2967543	dotnet-maui	Controls (vlatest) Border,BoxView,Brush,Button
2967482	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#60646
1407922	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127228
2966698	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#60646
2966608	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2966337	dotnet-performance	Performance bepuphysics windows 22H2 arm64 Ampere 8.0
2966234	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2965935	dotnet-performance	Performance roslyn windows 22H2 arm64 Ampere 9.0
2965420	dotnet-runtime	ios-arm64 release iOSNativeAOT
2965036	dotnet-maui	Controls (vlatest) CollectionView
2964634	dotnet-dotnet	OSX_x64
2964365	dotnet-maui	Controls (vlatest) Shell	Log
2964492	dotnet-maui	Build Device Tests (Mono)
2964366	dotnet-maui	Build Device Tests (Mono)
1403676	dotnet/runtime	osx-arm64 Release NativeAOT		dotnet/runtime#127511
1402968	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_Mono	Log
1402862	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono		dotnet/runtime#127589
1402846	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127574
2963709	dotnet-performance	Performance bepuphysics windows Win11 x64 Viper main
1402575	dotnet/runtime	osx-x64 Release Mono_MiniJIT_LibrariesTests
1402153	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127106
1402127	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127256
1402062	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127238
1402042	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#126549
1402028	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127562
1401988	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127328
1401957	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#126309
1401949	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127497
1401944	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127559
1401941	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127551
1401933	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127558
1401886	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#127464
1401875	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#125437
1401865	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#126841
2963077	dotnet-dotnet	OSX_x64
2962702	dotnet-performance	Performance maui_scenarios_android Default CoreCLR_Debug windows 22H2 x64 GalaxyA16 main
2962512	dotnet-maui	Controls (vlatest) Page,Performance,Picker,ProgressBar
2962609	dotnet-maui	Build Device Tests (Mono)
2962498	dotnet-maui	Build Device Tests (Mono)
2962165	dotnet-maui	Controls (vlatest) ScrollView	Log
2962350	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2962357	dotnet-maui	Build Device Tests (Mono)
2962305	dotnet-maui	Build Device Tests (Mono)
2962162	dotnet-maui	Build Device Tests (Mono)
2962114	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2961757	dotnet-performance	Performance mlnet windows 22H2 arm64 Ampere 9.0
2961717	dotnet-dotnet	OSX_arm64
1398685	dotnet/runtime	osx-arm64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#126569
2961625	dotnet-maui	Controls (vlatest) Accessibility,ActionSheet,ActivityIndicator,Animation,AppLinks
2961631	dotnet-runtime	ios-arm64 release iOSMono
2961370	dotnet-maui	Controls (vlatest) Cells,CheckBox,ContextActions,CustomRenderers,DatePicker,Dispatcher,DisplayAlert,DisplayPrompt,DragAndDrop	Log
2961187	dotnet-maui	Controls (vlatest) Layout
2961233	dotnet-performance	Performance nativeaot_scenarios windows Win11 x64 Viper main
2961176	dotnet-maui	Controls (vlatest) TabbedPage,TableView,TimePicker,TitleView,ToolbarItem,Triggers	Log
2961188	dotnet-maui	Build Device Tests (Mono)
2961161	dotnet-maui	Build Device Tests (Mono)
2958329	dotnet-dotnet	iOSSimulator_Shortstack_x64	Log
2960695	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release	Log
2960554	dotnet-maui	Build Device Tests (Mono)
2960059	dotnet-maui	Build Device Tests (Mono)
2959785	dotnet-performance	Performance fsharpmicro windows 22H2 arm64 Ampere main
2959697	dotnet-dotnet	tvOSSimulator_Shortstack_arm64
2959693	dotnet-runtime	ios-arm64 release iOSCoreCLR
Displaying 100 of 169 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
4	27	169

[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.