Source: mypy Version: 2.3.1-1 Severity: important Tags: ftbfs patch X-Debbugs-Cc: [email protected] User: [email protected] Usertags: riscv64
Dear Maintainer, mypy in unstable and experimential both has ftbfs issue on riscv64, see https://buildd.debian.org/status/fetch.php?pkg=mypy&arch=riscv64&ver=2.2.0-4&stamp=1788888404&raw=0 https://buildd.debian.org/status/fetch.php?pkg=mypy&arch=riscv64&ver=2.3.1-1&stamp=1788942084&raw=0 Increasing the value of WORKER_START_TIMEOUT to 30 can fix the below timeout issue: ``` Traceback (most recent call last): File "<frozen runpy>", line 203, in _run_module_as_main File "<frozen runpy>", line 88, in _run_code File "/build/reproducible-path/mypy-2.3.1/mypy/__main__.py", line 52, in <module> console_entry() File "/build/reproducible-path/mypy-2.3.1/mypy/__main__.py", line 16, in console_entry main() ~~~~^^ File "/build/reproducible-path/mypy-2.3.1/mypy/main.py", line 154, in main res, messages, blockers = run_build(sources, options, fscache, t0, stdout, stderr) ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "/build/reproducible-path/mypy-2.3.1/mypy/main.py", line 244, in run_build res = build.build(sources, options, None, flush_errors, fscache, stdout, stderr) File "/build/reproducible-path/mypy-2.3.1/mypy/build.py", line 422, in build result = build_inner( sources, ...<9 lines>... metastore, ) File "/build/reproducible-path/mypy-2.3.1/mypy/build.py", line 537, in build_inner graph = dispatch(sources, manager, stdout, connect_threads) File "/build/reproducible-path/mypy-2.3.1/mypy/build.py", line 4145, in dispatch raise OSError(f"Cannot connect to build worker(s): {', '.join(not_connected)}") OSError: Cannot connect to build worker(s): 0, 1, 2, 3 ``` But then the test suite will fail at ``` ... == Return code: 2 (diff) Alignment of first line difference: E: a.py:2: note: Revealed type is "str" A: Traceback (most recent call last): ^ Update the test output using --update-data (implies -n0; you can additionally use the -k selector to update only specific tests) =========================== short test summary info ============================ FAILED mypy/test/testcmdline.py::PythonCmdlineSuite::cmdline.test::testShadowFileWithNativeParserParallel ==== 1 failed, 14179 passed, 362 skipped, 12 xfailed in 7272.53s (2:01:12) ===== ``` Running the full test suite with pytest -n8, parallel workers contend on a shared filelock while mypyc compiles the librt C extension during tests. On a loaded riscv64 sbuild the C build takes >5 min, so a waiting worker hits filelock.Timeout and the build fails. I have tested it on milk-v jupiter. Please let me know any issues. -- Regards, -- Bo YU
diff -Nru mypy-2.3.1/debian/changelog mypy-2.3.1/debian/changelog --- mypy-2.3.1/debian/changelog 2026-08-31 11:33:52.000000000 +0000 +++ mypy-2.3.1/debian/changelog 2026-09-11 13:48:32.000000000 +0000 @@ -1,3 +1,10 @@ +mypy (2.3.1-1.1) UNRELEASED; urgency=medium + + * Non-maintainer upload. + * Fix FTBFS on riscv64 due to timeout. (Closes: #-1) + + -- Bo YU <[email protected]> Fri, 11 Sep 2026 13:48:32 +0000 + mypy (2.3.1-1) experimental; urgency=medium * New upstream version diff -Nru mypy-2.3.1/debian/patches/series mypy-2.3.1/debian/patches/series --- mypy-2.3.1/debian/patches/series 2026-08-31 11:33:05.000000000 +0000 +++ mypy-2.3.1/debian/patches/series 2026-09-11 07:51:43.000000000 +0000 @@ -2,3 +2,4 @@ hint-typeshed-package verbose intersphinx +timeout-riscv64 diff -Nru mypy-2.3.1/debian/patches/timeout-riscv64 mypy-2.3.1/debian/patches/timeout-riscv64 --- mypy-2.3.1/debian/patches/timeout-riscv64 1970-01-01 00:00:00.000000000 +0000 +++ mypy-2.3.1/debian/patches/timeout-riscv64 2026-09-11 07:56:29.000000000 +0000 @@ -0,0 +1,28 @@ +Description: fix FTBFS issue on riscv64 due to timeout +Author: Bo YU <[email protected]> +Forwarded: not-needed +Last-Update: 2026-09-11 +--- +This patch header follows DEP-3: http://dep.debian.net/deps/dep3/ +--- a/mypy/defaults.py ++++ b/mypy/defaults.py +@@ -50,7 +50,7 @@ + # It looks like Windows is slow with processes, causing test flakiness even + # with our generous timeouts, so we set them higher. + WORKER_START_INTERVAL: Final = 0.01 if sys.platform != "win32" else 0.03 +-WORKER_START_TIMEOUT: Final = 3 if sys.platform != "win32" else 10 ++WORKER_START_TIMEOUT: Final = 30 if sys.platform != "win32" else 10 + WORKER_SHUTDOWN_TIMEOUT: Final = 1 if sys.platform != "win32" else 3 + + WORKER_CONNECTION_TIMEOUT: Final = 10 +--- a/mypyc/test/librt_cache.py ++++ b/mypyc/test/librt_cache.py +@@ -164,7 +164,7 @@ + + binary_suffix = ".pyd" if sys.platform == "win32" else ".so" + +- with filelock.FileLock(lock_file, timeout=300): # 5 min timeout ++ with filelock.FileLock(lock_file, timeout=1200): # 20 min timeout + # Reuse the cache only if the build completed *and* the compiled + # binaries still exist. A repo-wide clean of .so/.pyd files can delete + # the cached binaries while leaving the marker behind.
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