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[Python-Dev] please help triage VSTS failures

Unfamiliar maybe, though I?m a big fan of separating build and test logs. If anyone is motivated enough to make unittest/regrtest generate Junit format XML then we can get a nice breakdown by individual test, too, which would save scrolling through the log entirely.

The asyncio instability is apparently really hard to fix. There were 2-3 people looking into it yesterday on one of the other systems, but apparently we haven?t solved it yet (my guess is lingering state from a previous test). The multissl script was my fault for not realising that we don?t use it on 3.6 builds, but that should be fixed already. Close/reopen PR is the best way to trigger a rebuild right now.

According to the VSTS dev team, an easy ?rerun this build? button and filtering by changed paths are coming soon, which should clean things up. We *could* add our own detection for doc-only changes and skip most steps ? I?m happy to add that in if someone can help with the right git incantation.

Top-posted from my Windows phone

From: Zachary Ware
Sent: Friday, May 18, 2018 9:15
To: Python-Dev
Subject: Re: [Python-Dev] please help triage VSTS failures

On Fri, May 18, 2018 at 10:55 AM, Gregory P. Smith <greg at krypto.org> wrote:
> These both look like VSTS infrastructure falling over on PRs:
>  https://python.visualstudio.com/cpython/_build?buildId=522
>  https://python.visualstudio.com/cpython/_build?buildId=523
> I don't see anywhere that gives information about the failures. (*)

Somewhat non-intuitively, logs are available by clicking something in
the tree in the left column (in particular, the inner-most thing with
a red X).  Do be sure to choose "Logs" in the right pane rather than
"Tests"; "Tests" appears to be a separate feature that we don't use.

> These CI failures on different platforms are both for the same change, on
> different branches, for a documentation only change.  That passed on the
> other branches and platforms for the same change.

The Windows failure appears to be the test_asyncio instability that
has been popping up everywhere the past couple of days.  The Linux
failure looks like a mis-use of Tools/ssl/multissltests.py in the
setup, but I thought I'd seen a checkin go by that removed that.

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