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gh-159689: Fix ProcessPoolExecutor hang when a worker is killed mid-result #217819

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gh-159689: Fix ProcessPoolExecutor hang when a worker is killed mid-result

gh-159689: Fix ProcessPoolExecutor hang when a worker is killed mid-result #217819

Triggered via pull request November 3, 2026 13:44
@junaidkhan80121junaidkhan80121
synchronize #159697
junaidkhan80121:gh-159689-processpool-mid-send
Status Failure
Total duration 35m 27s
Artifacts 4

build.yml

on: pull_request
Change detection  /  Create context from changed files
16s
Change detection / Create context from changed files
Matrix: build-ios
Matrix: build-macos
Matrix: build-san
Matrix: Ubuntu SSL tests
Matrix: build-ubuntu
Matrix: build-windows
Matrix: cifuzz
Waiting for pending jobs
Docs  /  Doctest
7m 2s
Docs / Doctest
Docs  /  Check EPUB
2m 24s
Docs / Check EPUB
Check if Autoconf files are up to date
29s
Check if Autoconf files are up to date
Check if generated files are up to date
12m 6s
Check if generated files are up to date
C API Docs  /  Check if all C APIs are documented
13s
C API Docs / Check if all C APIs are documented
Ubuntu (installed)  /  build, install and test
6m 32s
Ubuntu (installed) / build, install and test
Emscripten  /  build and test
14m 36s
Emscripten / build and test
WASI  /  build and test
4m 36s
WASI / build and test
Hypothesis tests on Ubuntu
10m 28s
Hypothesis tests on Ubuntu
Lazy imports enabled  /  Run Tests with lazy_imports=all
9m 42s
Lazy imports enabled / Run Tests with lazy_imports=all
Cross build Linux
4m 56s
Cross build Linux
Docs  /  Docs
2m 1s
Docs / Docs
Matrix: build-android
Docs  /  ...  /  Check for removed HTML IDs
1m 54s
Docs / Check for removed HTML IDs / Check for removed HTML IDs
All required checks pass
11s
All required checks pass
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Annotations

5 errors, 4 warnings, and 11 notices
Docs / Docs
Process completed with exit code 2.
Docs / Check EPUB
Process completed with exit code 1.
Sanitizers / ASan
Process completed with exit code 2.
test_sampling_with_collapsed_export (test.test_profiling.test_sampling_profiler.test_integration.TestSampleProfilerIntegration.test_sampling_with_collapsed_export): Lib/test/test_profiling/test_sampling_profiler/test_integration.py#L512
AssertionError: ':' not found in '<unreadable frame>'
All required checks pass
Process completed with exit code 1.
Hypothesis tests on Ubuntu
No files were found with the provided path: /home/runner/work/cpython/cpython-builddir/.hypothesis/examples/. No artifacts will be uploaded.
macOS / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS (free-threading) / build and test (macos-26)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
macOS / build and test (macos-26-intel)
`$HOMEBREW_NO_INSTALLED_DEPENDENTS_CHECK` is set: not checking for outdated dependents or dependents with broken linkage!
Change detection / Create context from changed files
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
C API Docs / Check if all C APIs are documented
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Docs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check EPUB
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Docs / Check for removed HTML IDs / Check for removed HTML IDs
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"
Android (aarch64)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
macOS / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
macOS (free-threading) / build and test (macos-26)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
iOS
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
iOS (free-threading)
Due to capacity constraints, jobs targeting macOS arm64 runners may experience longer queue times.
All required checks pass
"The ubuntu-latest label will migrate to Ubuntu 26 beginning October 19, 2026. For more information, see https://github.com/actions/runner-images/issues/14748"

Artifacts

Produced during runtime
Name Size Digest
ASan-logs-default
2.49 KB
sha256:853a6b8a27ddff9bc258f41e485cffc1eaff786cd32d5e4ef03e42680ff14ad0
MSan-logs-default
209 Bytes
sha256:c39fc2a52b11d82a307b60847aca6f692318b7b54bbca5e6780b4f103e679812
UBSan-logs-default
1.17 KB
sha256:8d354a79e95d46b4c4e5f2e6ee8cb74c739233f07a648fb8df4716bcd056de89
html-ids-head.json.gz
132 KB
sha256:7b4189a8765f2cc5636a5d70f59ed0530f32076f1b392053b5ff7ed6f9e45c7b