[Python-Dev] Keeping an eye on Travis CI, AppVeyor and buildbots: revert on regression

[Victor Stinner]

2018-05-30 11:33 GMT+02:00 Victor Stinner <vstinner at redhat.com>:
> I fixed a few tests which failed randomly. There are still a few, but
> the most annoying have been fixed.

Quick update a few days later.

For an unknown reason,
test_multiprocessing_forkserver.TestIgnoreEINTR.test_ignore() started
to fail very frequently but only on Travis CI. I have no explanation
why only Travis CI. I failed to reproduce the issue on a Ubuntu Trusty
container or in a Ubuntu Trusty VM. After hours of debug, I found the
bug and wrote a fix. But the fix didn't work in all cases. A second
fix and now it seems like the issue is gone!

https://bugs.python.org/issue33532 if you are curious about the
strange multiprocessing send() which must block but it doesn't :-)

Except Windows 7 which has issues with test_asyncio and
multiprocessing tests because this buildbot is slow, it seems like
most CIs are now stable.

Known issues:

* PPC64 Fedora 3.x, PPC64LE Fedora 3.x, s390x RHEL 3.x:
https://bugs.python.org/issue33630
* AIX: always red
* USBan: experimental buildbot
* Alpine: platform not supported yet (musl issues)

Victor