[Python-Dev] Buildbot report, August 2017

[Brett Cannon]

Thanks for all of this, Victor!

On Fri, Aug 18, 2017, 09:38 Victor Stinner <victor.stinner at gmail.com> wrote:

> Hi,
>
> Here is a quick report of what changed recently on buildbots.
>
>
> == pythoninfo ==
>
> I added a new "python3 -m test.pythoninfo" command which is now run on
> Travis CI, AppVeyor and buildbots.
>
>     https://bugs.python.org/issue30871
>
> This command dumps various informations to help debugging test
> failures on our CIs. For example, you get the Tcl version, information
> about the threading implementation, etc.
>
> Currently, pythoninfo is only run on the master branch, but I plan to
> run it on Python 3.6 and 2.7 later.
>
> The pythoninfo idea comes from https://bugs.python.org/issue29854 when
> we didn't know the readline version of a buildbot, and I didn't want
> to put such information in regrtest header, since importing readline
> has side effects.
>
>
> == Removed buildbots ==
>
> A few buildbots were removed:
>
> * All Python 3.5 buildbots was removed, since the 3.5 branch entered
> the security only stage:
>   https://mail.python.org/pipermail/python-dev/2017-August/148794.html
>
> * FreeBSD 9-STABLE (koobs-freebsd9): FreeBSD 9 is no more supported
> upstream, use FreeBSD 10 and FreeBSD CURRENT buildbots
>
> * OpenIndiana: was offline since the beginning of June. Previous
> discussions on
>   this list:
>
>   * September 2016: OpenIndiana and Solaris support
>
> https://mail.python.org/pipermail/python-dev/2016-September/146538.html
>   * April 2015: MemoryError and other bugs on AMD64 OpenIndiana 3.x
>     https://mail.python.org/pipermail/python-dev/2015-April/138967.html
>   * September 2014: Sad status of Python 3.x buildbots
>
> https://mail.python.org/pipermail/python-dev/2014-September/136175.html
>
> * intel-ubuntu-skylake: Florin Papa wrote me that the machine became
>   unavailable in December 2016.
>
> * Yosemite ICC buildbot (intel-yosemite-icc): it was maintained by Zachary
> Ware
>   and R. David Murray. Sadly, David lost the VM image to a disk crash :-(
> New
>   ICC buildbots may come back later, wait & see ;-)
>
> * macOS Snow Leopard (murray-snowleopard): this old machine was stuck
> at boot for an unknown reason. "It's an old machine, and it is
> probably time to get rid of it." wrote R. David Murray :-)
>
>
> == Reduced failure rate ==
>
> As usual, many race conditions were fixed in tests and in the code, to
> reduce the buildbot failure rate.
>
> I may list them in a blog post, later.
>
>
> == What's Next? ==
>
> * Buildbot should be upgrade to buildbot 0.9:
>    https://github.com/python/buildmaster-config/pull/12
>
> * Zachary Ware plans to rewrite our buildbot configuration during the
> CPython sprint (Sept 4-9)
>
> * test_logging fails randomly on FreeBSD 10 with a warning related to
> threads (bpo-30830). I was trying to reproduce the bug since 2 months.
> I just identified to root bug! https://bugs.python.org/issue31233
> "socketserver.ThreadingMixIn leaks running threads after
> server_close()".
>
> * The "Docs" buildbot (currently offline) may be dropped as well,
> https://github.com/python/buildmaster-config/pull/21
>
>
> See also my previous buildbot report:
> https://haypo.github.io/python-buildbots-2017q2.html
>
> Victor
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