Your message dated Sat, 02 May 2026 19:33:12 +0000
with message-id <[email protected]>
and subject line Bug#1108051: fixed in numba 0.61.2+dfsg-1+deb13u1
has caused the Debian Bug report #1108051,
regarding numba: FTBFS: The keyword argument 'parallel=True' was specified but
no transformation for parallel execution was possible.
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
(NB: If you are a system administrator and have no idea what this
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immediately.)
--
1108051: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1108051
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: src:numba
Version: 0.61.2+dfsg-1
Severity: important
Tags: ftbfs trixie sid help
Dear maintainer:
During a rebuild of all packages in unstable, your package failed to build:
[ please read the notes at the end ]
--------------------------------------------------------------------------------
[...]
======================================================================
FAIL: test_random_concurrent_vectorize_tbb
(numba.tests.test_parallel_backend.TestSpecificBackend.test_random_concurrent_vectorize_tbb)
----------------------------------------------------------------------
Traceback (most recent call last):
File
"/<<PKGBUILDDIR>>/.pybuild/cpython3_3.13_numba/build/numba/tests/test_parallel_backend.py",
line 397, in test_template
o, e = self.run_test_in_separate_process(injected_method, backend)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/<<PKGBUILDDIR>>/.pybuild/cpython3_3.13_numba/build/numba/tests/test_parallel_backend.py",
line 375, in run_test_in_separate_process
return self.run_cmd(cmdline, env_copy)
~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^
File
"/<<PKGBUILDDIR>>/.pybuild/cpython3_3.13_numba/build/numba/tests/test_parallel_backend.py",
line 363, in run_cmd
raise AssertionError(
"process failed with code %s: stderr follows\n%s\n" %
(popen.returncode, err.decode()))
AssertionError: process failed with code -9: stderr follows
.
----------------------------------------------------------------------
Ran 1 test in 5.803s
OK
----------------------------------------------------------------------
Ran 2103 tests in 1990.694s
FAILED (failures=1, skipped=101, expected failures=7)
E: pybuild pybuild:389: test: plugin custom failed with: exit code=1: ls
/<<PKGBUILDDIR>>/.pybuild/cpython3_3.13_numba/build && cd
/<<PKGBUILDDIR>>/.pybuild/cpython3_3.13_numba/build && MPLBACKEND=Agg
python3.13 -Wd runtests.py --exclude-tags='long-running,gdb,compiled_caching'
-v -m --random 0.2 -- numba.tests
dh_auto_test: error: pybuild --test -i python{version} -p 3.13 returned exit
code 13
make[1]: *** [debian/rules:21: override_dh_auto_test-arch] Error 25
make[1]: Leaving directory '/<<PKGBUILDDIR>>'
make: *** [debian/rules:14: binary] Error 2
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
--------------------------------------------------------------------------------
The above is just how the build ends and not necessarily the most relevant part.
If required, the full build log is available here:
https://people.debian.org/~sanvila/build-logs/202506/
About the archive rebuild: The build was made on virtual machines from AWS,
using sbuild and a reduced chroot with only build-essential packages.
In this particular case, the build was made on AWS machines of type
m7a.medium and r7a.medium. Incidentally, those machines have a single CPU,
but at this point it's not clear yet if that's the condition which triggers
the build failure or, for example, the fact that they are overall slower
than other instance types, or maybe some other reason.
If you could not reproduce the bug using GRUB_CMDLINE_LINUX="nr_cpus=1"
please contact me privately, as I am willing to provide ssh access to a
virtual machine where the bug is fully reproducible.
Disclaimer: Please note that this is probably a violation of
Debian Policy 4.2, and the only reason I'm initially reporting
it as "important" is to avoid discussing about the severity.
If this is really a bug in one of the build-depends, please use
reassign and add an affects on src:numba, so that this is still
visible in the BTS web page for this package.
Note: In some similar cases the only reasonable fix is
to "import os" and skipif(os.cpu_count() == 1) the affected test.
Thanks.
--- End Message ---
--- Begin Message ---
Source: numba
Source-Version: 0.61.2+dfsg-1+deb13u1
Done: Santiago Vila <[email protected]>
We believe that the bug you reported is fixed in the latest version of
numba, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Santiago Vila <[email protected]> (supplier of updated numba package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Thu, 30 Apr 2026 12:35:00 +0200
Source: numba
Architecture: source
Version: 0.61.2+dfsg-1+deb13u1
Distribution: trixie
Urgency: medium
Maintainer: Debian Science Maintainers
<[email protected]>
Changed-By: Santiago Vila <[email protected]>
Closes: 1108051
Changes:
numba (0.61.2+dfsg-1+deb13u1) trixie; urgency=medium
.
* Team upload.
* Conditionally skip tests requiring more CPUs than available.
Closes: #1108051.
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