[SciPy-Dev] test_qz_double_sort seg fault - upgrade mingw for binaries?

Ralf Gommers ralf.gommers@gmail....
Thu Aug 9 02:08:14 CDT 2012


On Thu, Aug 9, 2012 at 12:06 AM, Skipper Seabold <jsseabold@gmail.com>wrote:

> On Wed, Aug 8, 2012 at 3:13 PM, Skipper Seabold <jsseabold@gmail.com>wrote:
>
>> Hi,
>>
>> There is a failure that's holding up the release reported here.
>>
>> projects.scipy.org/scipy/ticket/1717
>>
>> AFAIK, this test seg faults only on the official SSE2/SSE3 windows 32-bit
>> binaries that are built using mingw 3.14 with gcc 3.4. It's only the double
>> precision test that has a callback function that break.
>>
>
> This is also python version dependent and only fails on Python <= 2.6 as
> well.
>

It fails on 3.2 as well, (reported by several people).

Ralf


>
>>
>> https://github.com/numpy/vendor
>>
>> The suspicion is that it's a compiler issue since the tests pass on other
>> architectures and with msvc/mkl on windows as reported by Christoph. I
>> didn't see anything in the LAPACK change sets to suggest it's an issue with
>> the ATLAS/LAPACK, though I suppose this is still possible.
>>
>> How difficult would it be for someone to upgrade mingw/gcc and see if the
>> seg fault goes away? I could try though I'm not set up for this and am not
>> that familiar with cygwin/mingw.
>>
>> Are there any other mingw issues on windows to be aware of that prevents
>> using a newer compiler?
>>
>> Any other way to resolve this?
>>
>> Skipper
>>
>
>
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