"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
3001575	dotnet-maui	Build Device Tests (Mono)
3001493	dotnet-maui	Blazor macOS
3001130	dotnet-performance	Performance maui_scenarios_android Default Mono windows 22H2 x64 Pixel8 main
3000959	dotnet-maui	Controls (vlatest)
3000960	dotnet-maui	Build Device Tests (Mono)
3000922	dotnet-maui	Build Device Tests (Mono)
1465015	dotnet/runtime	iossimulator-arm64 Release AllSubsets_NativeAOT_Smoke		dotnet/runtime#129434
1464756	dotnet/runtime	osx-arm64 release Installer_Build_And_Test		dotnet/runtime#129293
1465027	dotnet/aspnetcore	Test: macOS		dotnet/aspnetcore#67228
3000718	dotnet-performance	Performance maui_scenarios_ios Default CoreCLR osx 26 x64 iPhone17 main
3000538	dotnet-maui	Build Device Tests (Mono)
1460065	dotnet/runtime	iossimulator-arm64 Release AllSubsets_Mono	Log
1464189	dotnet/runtime	coreclr Pri1 Runtime Tests Run R2R_CG2 osx x64 checked
1464095	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#128799
1463910	dotnet/maui	Controls Page,Performance,Picker,ProgressBar
1463787	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129395
3000161	dotnet-runtime	ios-arm64 release iOSCoreCLR
3000066	dotnet-maui	Build Device Tests (Mono)
2999753	dotnet-runtime	SuperPMI collect libraries pmi osx arm64 checked
2999746	dotnet-maui	Build Device Tests (Mono)
2999688	dotnet-maui	Build Device Tests (Mono)
1462456	dotnet/runtime	osx-x64 release CdacDumpTest		dotnet/runtime#129267
1462287	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Minijit_RuntimeTests minijit		dotnet/runtime#128384
2999201	dotnet-maui	Build Device Tests (Mono)
2999133	dotnet-performance	Performance maui_scenarios_ios Default CoreCLR_Debug osx 26 x64 iPhone17 main
2999072	dotnet-runtime	coreclr Pri1 Runtime Tests Run osx arm64 checked
2999060	dotnet-maui	Build Device Tests (Mono)
1461534	dotnet/sdk	TestBuild: macOS (arm64)
2998900	dotnet-maui	Build Device Tests (Mono)
2997883	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#61948
2998833	dotnet-maui	Controls (vlatest) RadioButton,RefreshView
2998846	dotnet-maui	Build Device Tests (Mono)
2998834	dotnet-maui	Build Device Tests (Mono)
1460975	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129293
1460078	dotnet/runtime	iossimulator-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#129206
2998217	dotnet-runtime	iossimulator-arm64 release NativeAOT
1459894	dotnet/aspnetcore	Tests: macOS
2998116	dotnet-maui	Build Device Tests (Mono)
2998061	dotnet-runtime	coreclr Pri1 Runtime Tests Run osx arm64 checked
1459621	dotnet/runtime	iossimulator-x64 Release AllSubsets_CoreCLR		dotnet/runtime#129226
2997947	dotnet-maui	Build Device Tests (Mono)
2997916	dotnet-maui	Build Device Tests (Mono)
2997881	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#61947
2997845	dotnet-maui	Build Device Tests (Mono)
2997451	dotnet-performance	Performance maui_scenarios_ios Default CoreCLR osx 26 x64 iPhone17 main
2997172	dotnet-runtime	ios-arm64 Release AllSubsets_Mono		#62021
2997168	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#62020
2997100	dotnet-maui	Build Device Tests (Mono)
2997005	dotnet-maui	Build Device Tests (Mono)
1457784	dotnet/runtime	iossimulator-arm64 Release AllSubsets_NativeAOT_Smoke		dotnet/runtime#129221
2996925	dotnet-runtime	coreclr Pri1 Runtime Tests Run osx arm64 checked
2996954	dotnet-maui	Build Device Tests (Mono)
2996914	dotnet-maui	Build Device Tests (Mono)
2996910	dotnet-performance	Performance maui_scenarios_ios Default CoreCLR osx 26 x64 iPhone17 main
1457550	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests		dotnet/runtime#129226
1457413	dotnet/runtime	iossimulator-arm64 Release AllSubsets_Mono_Smoke		dotnet/runtime#129225
1457399	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#129098
1457405	dotnet/aspnetcore	Test: macOS		dotnet/aspnetcore#63531
2996489	dotnet-dotnet	tvOS_Shortstack_arm64
1456365	dotnet/runtime	maccatalyst-x64 Release AllSubsets_NativeAOT_RuntimeTests_AppSandbox
2996001	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#61948
2995999	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono		#61947
1456050	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#129172
1456060	dotnet/aspnetcore	Test: macOS
2995960	dotnet-aspnetcore	Build: macOS arm64
1455949	dotnet/maui	Controls Shell		dotnet/maui#35633
1456027	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#125436
1456025	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#125436
2995946	dotnet-maui	Build Device Tests (Mono)
2995944	dotnet-maui	Build macOS (Release)
1455670	dotnet/runtime	ios-arm64 Release AllSubsets_Mono	Log	dotnet/runtime#128218
1455877	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx x64 checked		dotnet/runtime#129164
1455996	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#128319
1455994	dotnet/runtime	iossimulator-arm64 Release AllSubsets_CoreCLR_Smoke		dotnet/runtime#128319
1455990	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129163
1455980	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#129167
1455662	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_Mono	Log
1455933	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#129166
1455931	dotnet/runtime	osx-arm64 Debug CoreCLR_Libraries		dotnet/runtime#129166
1455929	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#129118
1455927	dotnet/runtime	osx-arm64 Debug CoreCLR_Libraries		dotnet/runtime#129118
1455923	dotnet/runtime	osx-x64 release Runtime_Release		dotnet/runtime#126845
1455716	dotnet/runtime	osx-arm64 release Installer_Build_And_Test		dotnet/runtime#129161
1455595	dotnet/maui	Controls Shell
1455889	dotnet/runtime	osx-arm64 Release NativeAOT		dotnet/runtime#129043
1455899	dotnet/aspnetcore	Tests: macOS		dotnet/aspnetcore#67083
1455887	dotnet/aspnetcore	Tests: macOS
1455885	dotnet/aspnetcore	Tests: macOS
1455837	dotnet/aspnetcore	Build: macOS arm64		dotnet/aspnetcore#67006
1455810	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR		dotnet/runtime#127498
1455809	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR_RuntimeTests		dotnet/runtime#128409
2995693	dotnet-maui	Build macOS
1455568	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#119255
2995420	dotnet-maui	Build macOS
1455366	dotnet/runtime	maccatalyst-arm64 Release AllSubsets_CoreCLR
1455207	dotnet/maui	Controls SoftInput,Stepper,Switch,SwipeView
2995441	dotnet-performance	Performance maui_scenarios_ios Default CoreCLR_Debug osx 26 x64 iPhone17 main
2995275	dotnet-maui	Build macOS
1454916	dotnet/maui	Controls Entry	Log
2995285	dotnet-runtime	tvos-arm64 Release AllSubsets_Mono	Log	#60854
Displaying 100 of 711 results

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
9	60	711

[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.