test_os fails on FreeBSD 15 with zfs filesystem
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OS-freebsd
tests
type-bug
- Dominant language
- Python
- Stars
- 77.2k
- Forks
- 35.9k
- PR merge metrics
- PR metrics pending
Description
Bug report
Bug description:
fallocate() fails with EOPNOTSUPP, rather than EINVAL on FreeBSD 15 with zfs.
======================================================================
ERROR: test_posix_fallocate (test.test_os.test_posix.PosixTester.test_posix_fallocate)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/home/nick/src/cpython-fixes/Lib/test/test_os/test_posix.py", line 409, in test_posix_fallocate
posix.posix_fallocate(fd, 0, 10)
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^
OSError: [Errno 45] Operation not supported
CPython versions tested on:
CPython main branch
Operating systems tested on:
Other - FreeBSD
% uname -a
FreeBSD lappy-freebsd 15.0-RELEASE FreeBSD 15.0-RELEASE releng/15.0-n280995-7aedc8de6446 GENERIC arm64
Linked PRs
- gh-148844
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with Lib/test/test_os/test_posix.py at test_posix_fallocate and reproduce the failure on FreeBSD 15 with ZFS. Compare the expected errno with the platform behavior and review linked PR gh-148844; done means the relevant test passes without regressing supported platforms.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- operating-systems, testing-qa
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 25/100