Subject: bug#22122: {python, python2}-statsmodels on i686: "SVD did not converge"

From: [email-masked] (Ludovic Courtès)
Date: Wed, 30 Aug 2017 10:55:14 +0200

Mark H Weaver <[email-masked]> skribis:

> I analyzed Hydra's database, and discovered that these "SVD did not
> converge" test failures on i686 depend only on which machine attempts
> the build, and are otherwise deterministic.
>
> hydra.gnunet.org fails 100% of the time.  It has *never* passed this
> test on i686.  chapters.gnu.org also fails 100% of the time.
>
> guix.sjd.se consistently passes the test, since at least as far back as
> July 2016.

Weird.  Could it be that something in the stack uses ISA extensions?
(What could it be on i686?)

Ludo’.