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Bug 1840077 - scipy test failures on s390x
Summary: scipy test failures on s390x
Keywords:
Status: ASSIGNED
Alias: None
Product: Fedora
Classification: Fedora
Component: scipy
Version: 33
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Nikola Forró
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On: 1853871
Blocks: ZedoraTracker
TreeView+ depends on / blocked
 
Reported: 2020-05-26 10:28 UTC by Miro Hrončok
Modified: 2021-06-18 07:18 UTC (History)
4 users (show)

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Type: Bug
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Description Miro Hrončok 2020-05-26 10:28:52 UTC 
If you observe https://koschei.fedoraproject.org/package/scipy?collection=f33 you will see that ppc64le fails a lot.

With Python 3.9, I got ~600 test failures (~2% of collected tests). I've ended up pushing https://src.fedoraproject.org/rpms/scipy/c/3b286e1db7d0f46092207e6ac122ac19e7bd7a6a?branch=master as a dirty workaround. 

I've opened this to track the workaround, so we can eventually drop it. I have not analyzed the failures.

Side note: s390x tests are disabled entirely.
Comment 1 Ben Cotton 2020-08-11 13:34:18 UTC 
This bug appears to have been reported against 'rawhide' during the Fedora 33 development cycle.
Changing version to 33.
Comment 2 Nikola Forró 2020-09-15 15:27:49 UTC 
An update on this. With scipy 1.5.2, there are no failures on ppc64le, even with all the workarounds disabled. There is a single failure on armv7hl, which I'm currently investigating, and 11 failures on s390x (that's 0.03%, so I'm thinking about dropping the acceptable_failure_rate patch entirely).
Comment 3 Miro Hrončok 2020-09-15 17:59:29 UTC 
Note that the latest build on rawhide n Koji (Fedora 34, scipy-1.5.0-4.fc34) has:

s390x: tests entirely skipped

armv7hl: 1 failed
i686: 2 failed

all others (incl. ppc64le): all passed


(Fedora 33 has similar results.)

So this is not actually blocked on 1.5.2 but it has somehow gone away naturally.
Comment 4 Nikola Forró 2020-09-30 19:31:09 UTC 
I rebased scipy to 1.5.2, took care of the 2 tests failing (under right circumstainces) on 32-bit architectures, and explicitly disabled those 11 tests failing on s390x.
I'll try to fix those and keep this bugzilla open to track the progress.
Comment 5 Miro Hrončok 2020-09-30 21:04:49 UTC 
Thanks!
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