"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
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
2583697	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
871361	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Interpreter_RuntimeTests monointerpreter		dotnet/runtime#109861
2582660	dotnet-llvm-project	macOS x64
869174	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#109766
2580421	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
867609	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#109447
866717	dotnet/runtime	tvos-arm64 Release AllSubsets_NativeAOT		dotnet/runtime#103950
2579672	dotnet-wasi-sdk	macOS_x64
2579656	dotnet-node	macOS arm64
866066	dotnet/runtime	osx-x64 Debug Libraries_CheckedCoreCLR		dotnet/runtime#109670
2579112	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2577970	dotnet-runtime	osx-arm64 release CrossAOT_Mono crossaot
2574837	dotnet-wasi-sdk	macOS_arm64
863062	dotnet/runtime	tvos-arm64 Release AllSubsets_NativeAOT_RuntimeTests
863059	dotnet/runtime	tvos-arm64 Release AllSubsets_Mono
863052	dotnet/runtime	ios-arm64 Release AllSubsets_Mono
861579	dotnet/runtime	osx-arm64 Release NativeAOT_Libraries		dotnet/runtime#109564
2575433	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2575145	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release	Log
2574854	dotnet-node	macOS x64
2574272	dotnet-runtime	coreclr Pri1 Runtime Tests Run osx arm64 checked	Log
2572668	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2572459	dotnet-wasi-sdk	macOS_x64
2571956	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2571366	dotnet-dotnet	OSX_Mono_x64
2571142	dotnet-runtime	Libraries SuperPMI collection libraries_tests Checked coreclr osx arm64 Release
2570618	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
2570445	dotnet-node	macOS arm64
2569943	dotnet-runtime	Libraries SuperPMI collection libraries_tests_no_tiered_compilation Checked coreclr osx arm64 Release
852919	dotnet/machinelearning	MacOS_cross_arm64_Net6 Release_Build		dotnet/machinelearning#7280

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	13	42

[lewing]

#1919 is a similar looking mac host infra failure

[lewing]

as is #1883