"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
2603531	dotnet-wasi-sdk	macOS_arm64
2603273	dotnet-dotnet	OSX_x64
2602969	dotnet-dotnet	OSX_Mono_arm64
2602104	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2601562	dotnet-dotnet	OSX_arm64
2599983	dotnet-dotnet	OSX_x64
2599941	dotnet-dotnet	OSX_x64
2599931	dotnet-dotnet	OSX_x64
891708	dotnet/sdk	TemplateEngine: macOS (x64)		dotnet/sdk#45019
890967	dotnet/runtime	osx-x64 Release CoreCLR_Libraries
890256	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx arm64 checked	Log	dotnet/runtime#110481
890559	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Interpreter_RuntimeTests monointerpreter		dotnet/runtime#110545
2598321	dotnet-wasi-sdk	macOS_x64
2597690	dotnet-dotnet	OSX_arm64
2597670	dotnet-runtime	coreclr Pri1 Runtime Tests Run osx arm64 checked	Log
889140	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#110033
2596787	dotnet-dotnet	OSX_x64
887455	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#102553
887419	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#110448
886812	dotnet/sdk	TestBuild: macOS (arm64)	Log	dotnet/sdk#45265
2594997	dotnet-wasi-sdk	macOS_arm64
885695	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#110379
885674	dotnet/runtime	tvos-arm64 Release AllSubsets_NativeAOT_RuntimeTests
885552	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Minijit_RuntimeTests minijit		dotnet/runtime#110020
884899	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono		dotnet/runtime#110083
884416	dotnet/runtime	maccatalyst-x64 Release AllSubsets_Mono
883963	dotnet/runtime	ios-arm64 Release AllSubsets_NativeAOT		dotnet/runtime#109936
2592770	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2591415	dotnet-dotnet	OSX_arm64
2590809	dotnet-dotnet	OSX_arm64
2590510	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2590491	dotnet-dotnet	OSX_ShortStack_Mono_LLVMJIT_x64
2590134	dotnet-dotnet	OSX_Mono_arm64
2588349	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
876518	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#110057
876444	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#108806
2586943	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
875912	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#110034
875812	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#110053
2586436	dotnet-dotnet	OSX_ShortStack_Mono_CrossAOT_x64
2586232	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2585899	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
873800	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#109763
2584908	dotnet-wasi-sdk	macOS_arm64
2584403	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
871952	dotnet/runtime	osx-x64 Debug CoreCLR_Libraries		dotnet/runtime#109839

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
2	8	46

[lewing]

#1919 is a similar looking mac host infra failure

[lewing]

as is #1883