"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
2995237	dotnet-maui	Build Device Tests (Mono)
1454652	dotnet/runtime	osx-arm64 release CdacDumpTest		dotnet/runtime#128448
1454320	dotnet/maui	Controls ViewBaseTests,VisualStateManager,Window		dotnet/maui#35762
1454310	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#126394
1454275	dotnet/runtime	osx-x64 Release AllSubsets_Mono		dotnet/runtime#129129
2995042	dotnet-dotnet	iOSSimulator_Shortstack_x64
2994854	dotnet-maui	Build Device Tests (Mono)
1453795	dotnet/runtime	osx-arm64 Release NativeAOT_Libraries		dotnet/runtime#128448
1453798	dotnet/runtime	osx-arm64 release CdacDumpTest		dotnet/runtime#128448
1453635	dotnet/runtime	osx-x64 Release NativeAOT_Libs		dotnet/runtime#124721
1453562	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#128962
1453415	dotnet/runtime	osx-x64 Release NativeAOT_Libs		dotnet/runtime#129034
2994435	dotnet-maui	Build Device Tests (Mono)
1453229	dotnet/maui	Controls Layout		dotnet/maui#34532
2994407	dotnet-maui	Build Device Tests (Mono)
2994375	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
1453140	dotnet/maui	Controls Shell		dotnet/maui#34637
2994292	dotnet-maui	Build Device Tests (Mono)
2994257	dotnet-maui	Build Device Tests (Mono)
2993444	dotnet-performance	Performance mlnet windows Win11 x64 Viper main
2993258	dotnet-maui	Controls (vlatest) SafeAreaEdges,Shadow	Log
1451887	dotnet/runtime	osx-x64 release CoreCLR_Libraries
1451869	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#124721
2993279	dotnet-maui	Controls WebView
1451847	dotnet/runtime	Libraries Build osx x64 Debug		dotnet/runtime#129049
1451775	dotnet/maui	Controls WebView
1451749	dotnet/maui	Controls ScrollView		dotnet/maui#32851
1451069	dotnet/maui	Controls SoftInput,Stepper,Switch,SwipeView	Log
2993259	dotnet-maui	Build Device Tests (Mono)
1451762	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129050
1450824	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests	Log	dotnet/runtime#127695
1451674	dotnet/sdk	TestBuild: macOS (x64)		dotnet/sdk#54622
1451630	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129047
1451622	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129048
2993154	dotnet-dotnet	OSX_arm64
1451595	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128252
1451598	dotnet/sdk	AoT: macOS (x64)		dotnet/sdk#54621
2993128	dotnet-maui	Build Device Tests (Mono)
1451478	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#129007
2993014	dotnet-maui	Blazor macOS
2993016	dotnet-maui	Build Device Tests (Mono)
1451212	dotnet/aspnetcore	Build: macOS x64		dotnet/aspnetcore#67019
2992976	dotnet-maui	Pack macOS
2992978	dotnet-maui	Build Device Tests (Mono)
1451064	dotnet/maui	Controls Cells,CheckBox,ContextActions,CustomRenderers,DatePicker,Dispatcher,DisplayAlert,DisplayPrompt,DragAndDrop		dotnet/maui#31755
1451062	dotnet/maui	Controls ViewBaseTests,VisualStateManager,Window		dotnet/maui#35578
1451055	dotnet/maui	Controls SoftInput,Stepper,Switch,SwipeView		dotnet/maui#33786
1450716	dotnet/maui	Controls TabbedPage,TableView,TimePicker,TitleView,ToolbarItem,Triggers	Log
2992683	dotnet-dotnet	OSX_arm64	Log
1451012	dotnet/maui	Controls Cells,CheckBox,ContextActions,CustomRenderers,DatePicker,Dispatcher,DisplayAlert,DisplayPrompt,DragAndDrop		dotnet/maui#34758
1450373	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Minijit_RuntimeTests minijit	Log	dotnet/runtime#128971
1450816	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#128604
1450426	dotnet/maui	Controls Lifecycle,ManualReview,Maps	Log	dotnet/maui#35773
2992750	dotnet-dotnet	OSX_arm64
1450511	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128788
1448848	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests	Log	dotnet/runtime#128420
1450327	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128872
2992556	dotnet-maui	Build Device Tests (Mono)
1450287	dotnet/runtime	osx-x64 Release Mono_MiniJIT_LibrariesTests
1450249	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128967
2992508	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#61848
2992498	dotnet-maui	Build Device Tests (Mono)
1450200	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#125311
1450181	dotnet/runtime	osx-x64 Release Mono_MiniJIT_LibrariesTests
1450161	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129006
1450156	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129005
1450138	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128869
1450126	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128997
1450075	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128034
2992442	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#61780
2992428	dotnet-maui	Build Device Tests (Mono)
2992237	dotnet-maui	Controls (vlatest) CollectionView	Log
1449756	dotnet/maui	Controls Shell		dotnet/maui#34758
1449502	dotnet/maui	Controls Layout		dotnet/maui#35710
2992238	dotnet-maui	Build Device Tests (Mono)
1449601	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono_RuntimeTests
1449556	dotnet/runtime	osx-x64 Release AllSubsets_Mono		dotnet/runtime#128978
1449488	dotnet/maui	Controls Border,BoxView,Brush,Button		dotnet/maui#30378
1449437	dotnet/maui	Controls Entry
1449323	dotnet/runtime	tvossimulator-x64 Release AllSubsets_Mono
1449265	dotnet/runtime	osx-arm64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#128619
1449010	dotnet/maui	Controls ViewBaseTests,VisualStateManager,Window
1448398	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx x64 checked		dotnet/runtime#125311
1448026	dotnet/maui	Controls WebView	Log	dotnet/maui#34758
1448465	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#128960
2991652	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#61780
1448287	dotnet/maui	Controls Border,BoxView,Brush,Button		dotnet/maui#35385
2991453	dotnet-maui	Controls Label
1448203	dotnet/maui	Controls Cells,CheckBox,ContextActions,CustomRenderers,DatePicker,Dispatcher,DisplayAlert,DisplayPrompt,DragAndDrop
1448183	dotnet/maui	Controls Cells,CheckBox,ContextActions,CustomRenderers,DatePicker,Dispatcher,DisplayAlert,DisplayPrompt,DragAndDrop
1447993	dotnet/maui	Controls CollectionView	Log	dotnet/maui#35744
2991454	dotnet-maui	Build Device Tests (Mono)
2991451	dotnet-maui	Build Device Tests (Mono)
2991421	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#60853
1448033	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#128952
1447424	dotnet/maui	Controls SearchBar,Shape,Slider	Log
1447890	dotnet/sdk	TestBuild: macOS (x64)		dotnet/sdk#54576
1447487	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono	Log	dotnet/runtime#128218
1447809	dotnet/runtime	ios-arm64 Release AllSubsets_NativeAOT		dotnet/runtime#128216
1447602	dotnet/runtime	Mono crossaot Product Build osx arm64 release		dotnet/runtime#128223
Displaying 100 of 670 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
12	181	670

[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.