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RISCV64 stacktrace test fails with NativeAOT due to missing context #129792

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#130015
Closed
RISCV64 stacktrace test fails with NativeAOT due to missing context#129792
#130015
Labels
arch-riscvRelated to the RISC-V architecturearea-NativeAOT-coreclr
Milestone
Future

Description

@am11
am11
opened on Jun 24, 2026

After running all libraries and runtime tests in AOT mode on linux-riscv64 machine, I have found one issue:

This assertion fails:

runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs

Line 1634 in 46b72c7

Assert.Contains(nameof(InterestingMethodInTheStackTrace), exceptionText);

I added a debug (Console.Write) line and found this:

am11@k1:~/naottstlibs/http$ lldb -- ./System.Net.Http.Functional.Tests -method System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured
SOS_HOSTING: Failed to find runtime directory
Unrecognized command 'setsymbolserver' because managed hosting failed or was disabled. See sethostruntime command for details.
(lldb) target create "./System.Net.Http.Functional.Tests"
Current executable set to '/home/am11/naottstlibs/http/System.Net.Http.Functional.Tests' (riscv64).
(lldb) settings set -- target.run-args  "-method" "System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured"
(lldb) r
Process 3844930 launched: '/home/am11/naottstlibs/http/System.Net.Http.Functional.Tests' (riscv64)
Running assembly:System.Net.Http.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
===== OperationCanceledException_WithOriginalCancellationToken BEGIN exceptionText =====
System.Threading.Tasks.TaskCanceledException: Useful information
 ---> System.OperationCanceledException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.HandleFailure(Exception, Boolean, HttpResponseMessage, CancellationTokenSource, CancellationToken, CancellationTokenSource) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 644
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 564
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== OperationCanceledException_WithOriginalCancellationToken END exceptionText =====
[FAIL] System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(scenario: OperationCanceledException_WithOriginalCancellationToken)
Assert.Contains() Failure: Sub-string not found
String:    "System.Threading.Tasks.TaskCanceledException: Usef"···
Not found: "InterestingMethodInTheStackTrace"
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(HttpClientTest.HttpClientSendTest.ExceptionScenario) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1636
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
===== OperationCanceledException_UnknownCancellationToken BEGIN exceptionText =====
System.Threading.Tasks.TaskCanceledException: Useful information
 ---> System.OperationCanceledException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.HandleFailure(Exception, Boolean, HttpResponseMessage, CancellationTokenSource, CancellationToken, CancellationTokenSource) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 644
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 564
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== OperationCanceledException_UnknownCancellationToken END exceptionText =====
[FAIL] System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(scenario: OperationCanceledException_UnknownCancellationToken)
Assert.Contains() Failure: Sub-string not found
String:    "System.Threading.Tasks.TaskCanceledException: Usef"···
Not found: "InterestingMethodInTheStackTrace"
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(HttpClientTest.HttpClientSendTest.ExceptionScenario) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1636
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
===== HttpRequestException BEGIN exceptionText =====
System.Net.Http.HttpRequestException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1607
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage _, CancellationToken cancellationToken)
--- End of stack trace from previous location ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== HttpRequestException END exceptionText =====
===== HttpRequestException_DuringCancellation BEGIN exceptionText =====
System.Threading.Tasks.TaskCanceledException: The operation was canceled.
 ---> System.Net.Http.HttpRequestException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.HandleFailure(Exception, Boolean, HttpResponseMessage, CancellationTokenSource, CancellationToken, CancellationTokenSource) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 644
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 564
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== HttpRequestException_DuringCancellation END exceptionText =====
[FAIL] System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(scenario: HttpRequestException_DuringCancellation)
Assert.Contains() Failure: Sub-string not found
String:    "System.Threading.Tasks.TaskCanceledException: The "···
Not found: "InterestingMethodInTheStackTrace"
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(HttpClientTest.HttpClientSendTest.ExceptionScenario) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1636
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
===== UnknownException BEGIN exceptionText =====
System.Exception: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1613
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage _, CancellationToken cancellationToken)
--- End of stack trace from previous location ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== UnknownException END exceptionText =====
===== UnknownException_DuringCancellation BEGIN exceptionText =====
System.Exception: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== UnknownException_DuringCancellation END exceptionText =====
[FAIL] System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(scenario: UnknownException_DuringCancellation)
Assert.Contains() Failure: Sub-string not found
String:    "System.Exception: Useful information\n ---> System."···
Not found: "InterestingMethodInTheStackTrace"
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured(HttpClientTest.HttpClientSendTest.ExceptionScenario) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1636
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
--- End of stack trace from previous location ---
Finished System.Net.Http.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51

Tests run: 6, Errors: 0, Failures: 4, Skipped: 0. Time: 0.1947178s
Process 3844930 exited with status = 1 (0x00000001) 
(lldb) q

Activity

  1. am11
    added
    area-NativeAOT-coreclr
    arch-riscvRelated to the RISC-V architecture
    on Jun 24, 2026
  2. github-project-automation
    added this to AppModelon Jun 24, 2026
  3. dotnet-policy-service
    added
    untriagedNew issue has not been triaged by the area owner
    on Jun 24, 2026

  4. dotnet-policy-service commented on Jun 24, 2026

    @dotnet-policy-service
    dotnet-policy-servicebot
    on Jun 24, 2026 – with Dotnet Policy Service
    Contributor

    Tagging subscribers to this area: @agocke, @dotnet/ilc-contrib
    See info in area-owners.md if you want to be subscribed.

  5. am11 commented on Jun 24, 2026

    @am11
    am11
    on Jun 24, 2026
    MemberAuthor

    cc @dotnet/samsung, @filipnavara,

    Build steps:

    # on osx-arm64
$ cd runtime
$ docker run --rm -v$(pwd):/runtime -w /runtime -e ROOTFS_DIR=/crossrootfs/riscv64 -it ubuntu
$ eng/common/native/install-dependencies.sh
$ apt install -y python3-venv
$ rootfsEnv="/usr/local/share/rootfs" && python3 -m venv "$rootfsEnv" && "$rootfsEnv/bin/python" -m pip install aiohttp zstandard && PYTHON_EXECUTABLE="$rootfsEnv/bin/python" ./eng/common/cross/build-rootfs.sh riscv64 noble --skipunmount --skipemulation
$ os=linux; arch=riscv64

$ ./build.sh clr+libs --cross --arch $arch --os $os -c Release --bootstrap
$ ./build.sh libs.tests --cross --arch $arch --os $os --use-bootstrap -c Release -p:TestNativeAot=true -p:ArchiveTests=true

    Then scp test archive to riscv64 computer (k1) and run tests:

    # from os-x64
$ scp artifacts/helix/tests/linux.AnyCPU.Release/System.Net.Http.Functional.Tests.zip k1:/tmp
$ ssh k1
$ mkdir -p ~/naottstlibs/http && cd $_
$ unzip /tmp/System.Net.Http.Functional.Tests.zip &>/dev/null

# run full HTTP test suite
$ ./RunTests.sh --runtime-path foo # foo is needed just to satisfy this script; it doesn't use corerun in AOT mode...

# run this specific test
$ ./System.Net.Http.Functional.Tests -method System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured

  6. am11 commented on Jun 24, 2026

    @am11
    am11
    on Jun 24, 2026
    MemberAuthor

    It probably doesn't capture context around async resumption (runtime async?); the sync variant of this test passes.

  7. am11 commented on Jun 24, 2026

    @am11
    am11
    on Jun 24, 2026
    MemberAuthor

    On linux-arm64, it passes:

    $ root@426b2454e6c3:/httptst# ./System.Net.Http.Functional.Tests -method System.Net.Http.Functional.Tests.HttpClientSendTest_Async.Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured
Running assembly:System.Net.Http.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
===== OperationCanceledException_WithOriginalCancellationToken BEGIN exceptionText =====
System.Threading.Tasks.TaskCanceledException: Useful information
 ---> System.OperationCanceledException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1596
--- End of stack trace from previous location ---
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.GetResult[T](Task, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 140
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.TaskContinuationResume.ResumeTaskContinuation(Continuation, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 163
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.HandleFailure(Exception, Boolean, HttpResponseMessage, CancellationTokenSource, CancellationToken, CancellationTokenSource) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 644
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 564
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== OperationCanceledException_WithOriginalCancellationToken END exceptionText =====
===== OperationCanceledException_UnknownCancellationToken BEGIN exceptionText =====
System.Threading.Tasks.TaskCanceledException: Useful information
 ---> System.OperationCanceledException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1601
--- End of stack trace from previous location ---
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.GetResult[T](Task, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 140
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.TaskContinuationResume.ResumeTaskContinuation(Continuation, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 163
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.HandleFailure(Exception, Boolean, HttpResponseMessage, CancellationTokenSource, CancellationToken, CancellationTokenSource) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 644
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 564
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== OperationCanceledException_UnknownCancellationToken END exceptionText =====
===== HttpRequestException BEGIN exceptionText =====
System.Net.Http.HttpRequestException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1607
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage _, CancellationToken cancellationToken)
--- End of stack trace from previous location ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== HttpRequestException END exceptionText =====
===== HttpRequestException_DuringCancellation BEGIN exceptionText =====
System.Threading.Tasks.TaskCanceledException: The operation was canceled.
 ---> System.Net.Http.HttpRequestException: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1607
--- End of stack trace from previous location ---
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.GetResult[T](Task, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 140
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.TaskContinuationResume.ResumeTaskContinuation(Continuation, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 163
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
   --- End of inner exception stack trace ---
   at System.Net.Http.HttpClient.HandleFailure(Exception, Boolean, HttpResponseMessage, CancellationTokenSource, CancellationToken, CancellationTokenSource) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 644
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 564
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== HttpRequestException_DuringCancellation END exceptionText =====
===== UnknownException BEGIN exceptionText =====
System.Exception: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1613
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage _, CancellationToken cancellationToken)
--- End of stack trace from previous location ---
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== UnknownException END exceptionText =====
===== UnknownException_DuringCancellation BEGIN exceptionText =====
System.Exception: Useful information
 ---> System.Exception: Useful inner exception information
   --- End of inner exception stack trace ---
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>g__InterestingMethodInTheStackTrace|6_1(Func`1 exceptionFactory) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1639
   at System.Net.Http.Functional.Tests.HttpClientTest.HttpClientSendTest.<>c__DisplayClass6_0.<Send_InnerHandlerThrows_OriginalExceptionInformationIsCaptured>b__0(HttpRequestMessage, CancellationToken) in /runtime/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs:line 1613
--- End of stack trace from previous location ---
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.GetResult[T](Task, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 140
   at System.Runtime.CompilerServices.RuntimeAsyncTaskContinuation.TaskContinuationResume.ResumeTaskContinuation(Continuation, Byte&) in /runtime/src/coreclr/System.Private.CoreLib/src/System/Runtime/CompilerServices/RuntimeAsyncTaskContinuation.cs:line 163
   at System.Net.Http.HttpClient.<SendAsync>g__Core|83_0(HttpRequestMessage, HttpCompletionOption, CancellationTokenSource, Boolean, CancellationTokenSource, CancellationToken) in /runtime/src/libraries/System.Net.Http/src/System/Net/Http/HttpClient.cs:line 544
--- End of stack trace from previous location ---
   at Xunit.Assert.<RecordExceptionAsync>d__215.MoveNext() in /_/src/arcade/src/Microsoft.DotNet.XUnitAssert/src/Record.cs:line 139
===== UnknownException_DuringCancellation END exceptionText =====
Finished System.Net.Http.Functional.Tests, Version=11.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51

Tests run: 6, Errors: 0, Failures: 0, Skipped: 0. Time: 0.2227099s

    note I had that debug line in this build as well:

    --- a/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs
+++ b/src/libraries/System.Net.Http/tests/FunctionalTests/HttpClientTest.cs
@@ -1629,6 +1629,8 @@ or ExceptionScenario.HttpRequestException_DuringCancellation
 
                 string exceptionText = ex.ToString();
 
+                Console.WriteLine($"===== {scenario} BEGIN exceptionText =====\n{exceptionText}\n===== {scenario} END exceptionText =====");
+
                 Assert.Contains(InterestingExceptionMessage, exceptionText);
                 Assert.Contains(InterestingInnerExceptionMessage, exceptionText);
                 Assert.Contains(nameof(InterestingMethodInTheStackTrace), exceptionText);
  8. MichalStrehovsky
    removed
    untriagedNew issue has not been triaged by the area owner
    on Jun 25, 2026
  9. MichalStrehovsky
    added this to the Future milestone on Jun 25, 2026
  10. jkotas
    added a commit that references this issue on Jun 30, 2026

    Preserve throw kind across GetThread (#130015)

    284284d
  11. jkotas
    closed this as completedin #130015on Jun 30, 2026
  12. eiriktsarpalis
    added a commit that references this issue on Jul 15, 2026

    Preserve throw kind across GetThread (#130015)

    29fed3e
  13. github-actions
    locked and limited conversation to collaborators on Jul 31, 2026
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