[SciPy-Dev] test_qz_double_sort seg fault - upgrade mingw for binaries?
Thu Aug 9 16:54:58 CDT 2012
On Wed, Aug 8, 2012 at 11:28 PM, Ralf Gommers <email@example.com>wrote:
> On Wed, Aug 8, 2012 at 9:13 PM, Skipper Seabold <firstname.lastname@example.org>wrote:
>> There is a failure that's holding up the release reported here.
>> 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.
>> 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?
> We can't use gcc 4.x for binaries we want to distribute, see
>> Any other way to resolve this?
> Disabling either the test or the sort keyword of qz() until it's resolved
> is one possibility.
Skipper has updated the test so it doesn't crash:
https://github.com/scipy/scipy/pull/285. There may still be a problem for
some combinations of inputs and sort functions, but I think this shouldn't
hold up the 0.11.0 release any longer. So unless someone has a better idea
or a fix, I intend to merge that PR and prepare 0.11.0 RC2 in the next few
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