Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895

Open
Open
Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
Assignees
VSadov
Labels
Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
Milestone
Future

Description

@VincentBu
VincentBu
opened on May 7, 2026

Failed in:runtime-coreclr libraries-jitstress 20260506.1

Failed tests:

net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

Error message:

Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

Stack trace:

 at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

Known Issue Error Message

DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.

Fill the error message using step by step known issues guidance.

{
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}

Known issue validation

Build: 🔎
Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
Validation performed at: 8/4/2026 10:30:57 PM UTC

Report

BuildRepositoryTestPull Request
1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419

Summary

24-Hour Hit Count7-Day Hit Count1-Month Count
011

Metadata

Metadata

Assignees

Labels

Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading

Type

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    , 'i'); if (__m === '*' || __re.test(location.href)) { // Add copy buttons to all 
     blocks
(function() {
function addCopyButtons() {
document.querySelectorAll('pre code').forEach(function(codeBlock) {
if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;
codeBlock.parentElement.setAttribute('data-copy-added', 'true');
var btn = document.createElement('button');
btn.textContent = 'Copy';
btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';
btn.onmouseover = function() { this.style.opacity = '1'; };
btn.onmouseout = function() { this.style.opacity = '0.7'; };
btn.onclick = function() {
navigator.clipboard.writeText(codeBlock.textContent).then(function() {
btn.textContent = 'Copied!';
setTimeout(function() { btn.textContent = 'Copy'; }, 1500);
});
};
codeBlock.parentElement.style.position = 'relative';
codeBlock.parentElement.appendChild(btn);
});
}
addCopyButtons();
// Re-run on dynamic content
var observer = new MutationObserver(addCopyButtons);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

    Skip to content
    Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895
    Open
    Open
    Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
    Assignees
    VSadov
    Labels
    Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
    Milestone
    Future
    Description
    @VincentBu
    VincentBu
    opened on May 7, 2026
    Failed in:runtime-coreclr libraries-jitstress 20260506.1
    Failed tests:
    net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

    Error message:
    Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

    Stack trace:
     at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

    Known Issue Error Message
    DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
    Fill the error message using step by step known issues guidance.
    {
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
    Known issue validation
    Build: 🔎
    Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
    Validation performed at: 8/4/2026 10:30:57 PM UTC
    Report
    BuildRepositoryTestPull Request
    1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419
    Summary
    24-Hour Hit Count7-Day Hit Count1-Month Count
    011
    Metadata
    Metadata
    Assignees
    Labels
    Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
    Type
    No type
    Projects
    No projects
      Milestone
      Relationships
      None yet
      Development
      No branches or pull requests
      Issue actions
      
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Force GitHub README to respect dark mode
(function() {
var style = document.createElement('style');
style.textContent = '
.markdown-body {
color-scheme: dark light;
}
.markdown-body pre { background: #161b22 !important; }
.markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }
.markdown-body table th, .markdown-body table td { border-color: #30363d !important; }
.markdown-body img { background: #0d1117; }
.markdown-body blockquote { border-left-color: #8b949e; }
.markdown-body hr { border-color: #30363d; }
';
document.head.appendChild(style);
})();
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

      Skip to content
      Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895
      Open
      Open
      Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
      Assignees
      VSadov
      Labels
      Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
      Milestone
      Future
      Description
      @VincentBu
      VincentBu
      opened on May 7, 2026
      Failed in:runtime-coreclr libraries-jitstress 20260506.1
      Failed tests:
      net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

      Error message:
      Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

      Stack trace:
       at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

      Known Issue Error Message
      DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
      Fill the error message using step by step known issues guidance.
      {
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
      Known issue validation
      Build: 🔎
      Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
      Validation performed at: 8/4/2026 10:30:57 PM UTC
      Report
      BuildRepositoryTestPull Request
      1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419
      Summary
      24-Hour Hit Count7-Day Hit Count1-Month Count
      011
      Metadata
      Metadata
      Assignees
      Labels
      Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
      Type
      No type
      Projects
      No projects
        Milestone
        Relationships
        None yet
        Development
        No branches or pull requests
        Issue actions
        
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Highlight search terms from Google/DuckDuckGo/Bing referrer
(function() {
var ref = document.referrer;
var terms = [];
if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {
var url = new URL(ref);
var q = url.searchParams.get('q') || url.searchParams.get('p');
if (q) {
terms = q.split(/\s+/).filter(function(t) { return t.length > 2; });
}
}
if (terms.length === 0) return;
var style = document.createElement('style');
style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';
document.head.appendChild(style);
function highlight(node) {
if (node.nodeType === 3) { // text node
var text = node.textContent;
var found = false;
terms.forEach(function(term) {
var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi');
if (regex.test(text)) {
found = true;
var frag = document.createDocumentFragment();
var parts = text.split(regex);
parts.forEach(function(part, i) {
if (i % 2 === 0) {
frag.appendChild(document.createTextNode(part));
} else {
var span = document.createElement('span');
span.className = 'userscript-highlight';
span.textContent = part;
frag.appendChild(span);
}
});
node.parentNode.replaceChild(frag, node);
}
});
} else if (node.nodeType === 1 && node.childNodes) { // element
var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];
if (!skipTags.includes(node.tagName)) {
Array.from(node.childNodes).forEach(highlight);
}
}
}
highlight(document.body);
// Re-highlight on dynamic content
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1 || node.nodeType === 3) highlight(node);
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

        Skip to content
        Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895
        Open
        Open
        Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
        Assignees
        VSadov
        Labels
        Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
        Milestone
        Future
        Description
        @VincentBu
        VincentBu
        opened on May 7, 2026
        Failed in:runtime-coreclr libraries-jitstress 20260506.1
        Failed tests:
        net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

        Error message:
        Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

        Stack trace:
         at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

        Known Issue Error Message
        DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
        Fill the error message using step by step known issues guidance.
        {
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
        Known issue validation
        Build: 🔎
        Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
        Validation performed at: 8/4/2026 10:30:57 PM UTC
        Report
        BuildRepositoryTestPull Request
        1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419
        Summary
        24-Hour Hit Count7-Day Hit Count1-Month Count
        011
        Metadata
        Metadata
        Assignees
        Labels
        Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
        Type
        No type
        Projects
        No projects
          Milestone
          Relationships
          None yet
          Development
          No branches or pull requests
          Issue actions
          
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Strip utm_, fbclid, gclid, etc. from all links on page
(function() {
var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',
'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',
'ref', 'ref_src', 'source', 'medium', 'campaign'];
function cleanUrl(url) {
try {
var u = new URL(url, window.location.origin);
var changed = false;
trackingParams.forEach(function(p) {
if (u.searchParams.has(p)) {
u.searchParams.delete(p);
changed = true;
}
});
return changed ? u.toString() : url;
} catch (e) {
return url;
}
}
function cleanLinks() {
document.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
cleanLinks();
var observer = new MutationObserver(function(mutations) {
mutations.forEach(function(m) {
m.addedNodes.forEach(function(node) {
if (node.nodeType === 1) {
if (node.tagName === 'A') cleanLinks();
node.querySelectorAll('a[href]').forEach(function(a) {
var clean = cleanUrl(a.href);
if (clean !== a.href) a.href = clean;
});
}
});
});
});
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

          Skip to content
          Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895
          Open
          Open
          Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
          Assignees
          VSadov
          Labels
          Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
          Milestone
          Future
          Description
          @VincentBu
          VincentBu
          opened on May 7, 2026
          Failed in:runtime-coreclr libraries-jitstress 20260506.1
          Failed tests:
          net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

          Error message:
          Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

          Stack trace:
           at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

          Known Issue Error Message
          DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
          Fill the error message using step by step known issues guidance.
          {
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
          Known issue validation
          Build: 🔎
          Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
          Validation performed at: 8/4/2026 10:30:57 PM UTC
          Report
          BuildRepositoryTestPull Request
          1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419
          Summary
          24-Hour Hit Count7-Day Hit Count1-Month Count
          011
          Metadata
          Metadata
          Assignees
          Labels
          Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
          Type
          No type
          Projects
          No projects
            Milestone
            Relationships
            None yet
            Development
            No branches or pull requests
            Issue actions
            
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Auto-enable theater mode on YouTube
(function() {
function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
if (btn && !btn.classList.contains('activated')) {
btn.click();
}
}
// Try immediately
tryTheater();
// Try after navigation (SPA)
var lastUrl = location.href;
setInterval(function() {
if (location.href !== lastUrl) {
lastUrl = location.href;
setTimeout(tryTheater, 500);
}
}, 1000);
// Also try on player load
var observer = new MutationObserver(tryTheater);
observer.observe(document.body, { childList: true, subtree: true });
})();
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

            Skip to content
            Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895
            Open
            Open
            Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
            Assignees
            VSadov
            Labels
            Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
            Milestone
            Future
            Description
            @VincentBu
            VincentBu
            opened on May 7, 2026
            Failed in:runtime-coreclr libraries-jitstress 20260506.1
            Failed tests:
            net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

            Error message:
            Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

            Stack trace:
             at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

            Known Issue Error Message
            DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
            Fill the error message using step by step known issues guidance.
            {
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
            Known issue validation
            Build: 🔎
            Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
            Validation performed at: 8/4/2026 10:30:57 PM UTC
            Report
            BuildRepositoryTestPull Request
            1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419
            Summary
            24-Hour Hit Count7-Day Hit Count1-Month Count
            011
            Metadata
            Metadata
            Assignees
            Labels
            Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
            Type
            No type
            Projects
            No projects
              Milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Remove or un-stick sticky/fixed headers that block content
(function() {
function unstick() {
document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) {
if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {
el.style.position = 'static';
el.style.top = 'auto';
el.style.zIndex = 'auto';
}
});
}
unstick();
var observer = new MutationObserver(unstick);
observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });
})();
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

              Skip to content
              Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895
              Open
              Open
              Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
              Assignees
              VSadov
              Labels
              Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
              Milestone
              Future
              Description
              @VincentBu
              VincentBu
              opened on May 7, 2026
              Failed in:runtime-coreclr libraries-jitstress 20260506.1
              Failed tests:
              net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

              Error message:
              Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

              Stack trace:
               at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

              Known Issue Error Message
              DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
              Fill the error message using step by step known issues guidance.
              {
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
              Known issue validation
              Build: 🔎
              Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
              Validation performed at: 8/4/2026 10:30:57 PM UTC
              Report
              BuildRepositoryTestPull Request
              1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419
              Summary
              24-Hour Hit Count7-Day Hit Count1-Month Count
              011
              Metadata
              Metadata
              Assignees
              Labels
              Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
              Type
              No type
              Projects
              No projects
                Milestone
                Relationships
                None yet
                Development
                No branches or pull requests
                Issue actions
                
, 'i');
if (__m === '*' || __re.test(location.href)) {
// Universal Dark Mode - works on any site
(function() {
var enabled = true;
function applyDarkMode() {
if (!enabled) return;
// Create style element if it doesn't exist
var style = document.getElementById('universal-dark-mode-style');
if (!style) {
style = document.createElement('style');
style.id = 'universal-dark-mode-style';
document.head.appendChild(style);
}
// Dark mode CSS - inverts colors but preserves images/video
style.textContent = '
/* Invert everything except media */
html {
filter: invert(1) hue-rotate(180deg) !important;
background: #1a1a2e !important;
}
/* Restore images, videos, iframes, canvas */
img, video, iframe, canvas, svg, picture, [style*="background-image"] {
filter: invert(1) hue-rotate(180deg) !important;
}
/* Preserve specific elements that should not be inverted */
.no-dark-mode, .no-dark-mode *,
[data-theme="light"], [data-theme="light"],
.ace_editor, .ace_editor *,
.CodeMirror, .CodeMirror *,
.monaco-editor, .monaco-editor *,
.markdown-body pre, .markdown-body pre *,
.highlight, .highlight *,
pre code, pre code * {
filter: none !important;
}
/* Fix common UI elements */
.modal, .popup, .dropdown-menu, .tooltip, .popover {
filter: invert(1) hue-rotate(180deg) !important;
background: #2d2d44 !important;
border-color: #444 !important;
}
/* Scrollbars */
::-webkit-scrollbar { background: #1a1a2e !important; }
::-webkit-scrollbar-thumb { background: #444 !important; }
::-webkit-scrollbar-thumb:hover { background: #555 !important; }
/* Selection */
::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }
';
}
function removeDarkMode() {
var style = document.getElementById('universal-dark-mode-style');
if (style) style.remove();
}
// Toggle with Alt+Shift+D
document.addEventListener('keydown', function(e) {
if (e.altKey && e.shiftKey && e.key === 'D') {
e.preventDefault();
enabled = !enabled;
if (enabled) {
applyDarkMode();
console.log('[Universal Dark Mode] Enabled');
} else {
removeDarkMode();
console.log('[Universal Dark Mode] Disabled');
}
}
});
// Apply on load
applyDarkMode();
// Re-apply on dynamic content
var observer = new MutationObserver(function(mutations) {
if (enabled && !document.getElementById('universal-dark-mode-style')) {
applyDarkMode();
}
});
observer.observe(document.head, { childList: true });
console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');
})();
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

                Skip to content
                Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest #127895
                Open
                Open
                Test failure: System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#127895
                Assignees
                VSadov
                Labels
                Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
                Milestone
                Future
                Description
                @VincentBu
                VincentBu
                opened on May 7, 2026
                Failed in:runtime-coreclr libraries-jitstress 20260506.1
                Failed tests:
                net11.0-linux-Release-x64-no_tiered_compilation-AzureLinux.3.Amd64.Open
- System.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest

                Error message:
                Microsoft.DotNet.RemoteExecutor.RemoteExecutionException : Half-way through waiting for remote process.
Timed out at 5/6/2026 7:59:07 AM after 60000ms waiting for remote process.
Process ID: 3372
Handle: 127015638209024
Name: dotnet
MainModule: /datadisks/disk1/work/B0CD08E4/p/dotnet
StartTime: 5/6/2026 7:58:07 AM
TotalProcessorTime: 00:00:01.4300000

                Stack trace:
                 at Microsoft.DotNet.RemoteExecutor.RemoteInvokeHandle.Dispose(Boolean disposing) in /_/src/arcade/src/Microsoft.DotNet.RemoteExecutor/src/RemoteInvokeHandle.cs:line 225
at System.Reflection.MethodBaseInvoker.InterpretedInvoke_Method(Object obj, IntPtr* args) in /_/src/coreclr/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.CoreCLR.cs:line 37
at System.Reflection.MethodBaseInvoker.InvokeWithNoArgs(Object obj, BindingFlags invokeAttr) in /_/src/libraries/System.Private.CoreLib/src/System/Reflection/MethodBaseInvoker.cs:line 57

                Known Issue Error Message
                DO NOT USE JSON BELOW IF THIS IS A BUILD BREAK otherwise build analysis will allow pull requests to merge that break the build worse. For a build break, do not use this issue form. Make a regular new issue.
                Fill the error message using step by step known issues guidance.
                {
"ErrorMessage": ["ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest [FAIL]","Timed out"],
"ErrorPattern": "",
"BuildRetry": false,
"ExcludeConsoleLog": false
}
                Known issue validation
                Build: 🔎
                Result validation:⚠️ Validation could not be done without an Azure DevOps build URL on the issue. Please add it to the "Build: 🔎" line.
                Validation performed at: 8/4/2026 10:30:57 PM UTC
                Report
                BuildRepositoryTestPull Request
                1574183dotnet/runtimeSystem.Threading.ThreadPools.Tests.ThreadPoolTests.FileStreamFlushAsyncThreadPoolDeadlockTest#132419
                Summary
                24-Hour Hit Count7-Day Hit Count1-Month Count
                011
                Metadata
                Metadata
                Assignees
                Labels
                Known Build ErrorUse this to report build issues in the .NET Helix tabarea-System.Threading
                Type
                No type
                Projects
                No projects
                  Milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions