"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
2829068	dotnet-maui	RunOnAndroid macOS
2828863	dotnet-performance	Performance powershell windows Win11 x64 Tiger main
2828769	dotnet-maui	RunOnAndroid macOS
2828507	dotnet-maui	MultiProject macOS
1190242	dotnet/aspnetcore	Test: Blazor E2E tests on Linux
2828440	dotnet-maui	MultiProject macOS
1189661	dotnet/runtime	osx-x64 Release NativeAOT
2828184	dotnet-maui	Blazor macOS
2827986	dotnet-performance	Performance nativeaot_scenarios windows Win11 x64 Viper main	Log
2828138	dotnet-performance	Performance roslyn windows Win11 x64 Viper main
1189862	dotnet/performance	Performance micro windows 24H2 x64 Open main
2827904	dotnet-performance	Performance nativeaot_scenarios windows Win11 x64 Viper main	Log
2828085	dotnet-performance	Performance nativeaot_scenarios windows Win11 x64 Viper main
2827941	dotnet-maui	Build macOS (Release)
1189177	dotnet/sdk	AoT: macOS (x64)		dotnet/sdk#50468
2827424	dotnet-performance	Performance roslyn windows 22H2 arm64 Ampere 8.0
1188509	dotnet/runtime	osx-arm64 Debug Installer_Build_And_Test		dotnet/runtime#121164
2827036	dotnet-maui	RunOnAndroid macOS
2826753	dotnet-performance	Performance powershell windows Win11 x64 Viper main
2826733	dotnet-sdk	Official: macOS (x64)
2826694	dotnet-performance	Performance nativeaot_scenarios windows Win11 x64 Viper main
2826495	dotnet-maui	Blazor macOS	Log
2826504	dotnet-maui	RunOnAndroid macOS
1186861	dotnet/sdk	TestBuild: macOS (x64)		dotnet/sdk#51452
1186340	dotnet/aspnetcore	Test: Blazor E2E tests on Linux
1186286	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#120887
1186245	dotnet/runtime	osx-arm64 release CoreCLR_Libraries		dotnet/runtime#120395
1186162	dotnet/sdk	AoT: macOS (x64)		dotnet/sdk#51402
2825001	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
1185759	dotnet/sdk	TestBuild: macOS (arm64)		dotnet/sdk#51287
2824595	dotnet-diagnostics	MacOS_x64_Release
1185278	dotnet/performance	Performance micro windows 24H2 x64 Open 8.0		dotnet/performance#5018
2824071	dotnet-maui	macOS Unit Tests
2824042	dotnet-diagnostics	MacOS_arm64_Release
1184037	dotnet/sdk	TestBuild: macOS (arm64)		dotnet/sdk#51440
1183983	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#121056
1183956	dotnet/runtime	osx-x64 Debug Mono_MiniJIT_LibrariesTests		dotnet/runtime#121030
1183930	dotnet/performance	Performance powershell windows 24H2 x64 Open 8.0
2823277	dotnet-performance	Performance fsharpmicro windows Win11 x64 Tiger 8.0
1183888	dotnet/sdk	TestBuild: macOS (x64)		dotnet/sdk#51414
1183693	dotnet/sdk	TemplateEngine: macOS (x64)		dotnet/sdk#50988
1183580	dotnet/runtime	osx-x64 debug		dotnet/runtime#120775
1181915	dotnet/runtime	tvos-arm64 Release AllSubsets_NativeAOT		dotnet/runtime#120885
1181829	dotnet/runtime	tvos-arm64 Release AllSubsets_NativeAOT
1180136	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#120041
1179709	dotnet/aspnetcore	Test: Blazor E2E tests on Linux
2819746	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2819612	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2819249	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2819151	dotnet-runtime	osx-x64 Release Mono_MiniJIT_LibrariesTests
1178298	dotnet/runtime	osx-x64 Release NativeAOT		dotnet/runtime#120281
2814889	dotnet-dotnet	OSX_arm64
2813498	dotnet-runtime	osx-x64 Release Mono_MiniJIT_LibrariesTests
2808890	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
1165218	dotnet/runtime	tvos-arm64 Release AllSubsets_NativeAOT		dotnet/runtime#120298
2807447	dotnet-dotnet	OSX_arm64

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
3	31	56

[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