"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
988422	dotnet/runtime	osx-x64 Release AllSubsets_Mono_Minijit_RuntimeTests minijit		dotnet/runtime#113592
2668296	dotnet-dotnet	OSX_x64
2668246	dotnet-dotnet	OSX_arm64
985966	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx arm64 checked		dotnet/runtime#113576
980873	dotnet/runtime	tvossimulator-x64 Release AllSubsets_NativeAOT_RuntimeTests
2662650	dotnet-sdk	TestBuild: macOS (x64)		#48424
973117	dotnet/runtime	maccatalyst-x64 Release AllSubsets_Mono		dotnet/runtime#112514
972353	dotnet/runtime	osx-arm64 Release NativeAOT_Libraries		dotnet/runtime#111666
970567	dotnet/runtime	coreclr Pri0 Runtime Tests Run osx x64 checked		dotnet/runtime#113206

Summary

24-Hour Hit Count	7-Day Hit Count	1-Month Count
0	4	9

[lewing]

#1919 is a similar looking mac host infra failure

[lewing]

as is #1883