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Subject: |
GMP 6.0.0a intermittent test failure on armhf |
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Date: |
Mon, 05 Oct 2015 16:33:21 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
‘tests/mpz/reuse’ intermittently fails on armhf:
http://hydra.gnu.org/build/704686/nixlog/1/raw
Running this program in a loop easily reproduces the problem, but not
deterministically (different parts fail.)
Ludo’.
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--- Begin Message ---
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Subject: |
Re: bug#21620: tests/mpz/reuse intermittently fails on armhf-linux-gnu |
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Date: |
Thu, 02 Jun 2016 21:43:23 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
address@hidden (Ludovic Courtès) skribis:
> address@hidden (Ludovic Courtès) skribis:
>
>> Andreas Enge <address@hidden> skribis:
>>
>>> On Wed, Oct 07, 2015 at 10:32:43PM +0200, Ludovic Courtès wrote:
>>>> Do you think it’s a likely problem? Andreas, could you try again on
>>>> your Novena with 2 cores turned off?
>>>
>>> I have trouble believing the explanation of overheating. The gmp test
>>> suite is carried out sequentially (they are not yet using the parallel
>>> test harness of the autotools). So one could only imagine that the build
>>> itself was faulty, but should then the test not fail consistently
>>> afterwards?
>>> If I understood correctly, you used one build and ran the same test
>>> over and over again. On the other hand, since the machine also serves as a
>>> build machine, it is possible that some other package was built at the same
>>> time as the tests were carried out, which may have contributed to heating.
>>
>> Yes.
>>
>> I think the only way to test the hypothesis is to turn off 2 processors
>> and run that test in a loop again, and/or to do that on a different
>> ARMv7 platform altogether.
>
> Did you have a chance to do that? What can we conclude?
I don’t think we’ve had this problem again, which suggests that the
overheating hypothesis was right.
Closing!
Ludo’.
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