[SciPy-dev] Check reading the nested fields of a nested array
Travis Oliphant
oliphant.travis at ieee.org
Tue Apr 25 04:00:28 EDT 2006
Nils Wagner wrote:
> Nils Wagner wrote:
>
>> Travis Oliphant wrote:
>>
>>
>>> Nils Wagner wrote:
>>>
>>>
>>>
>>>> 0.9.7.2404 on a 64 bit system
>>>>
>>>> numpy.test(1,10) results in
>>>>
>>>> Check reading the nested fields of a nested array (1st level)*** glibc
>>>> detected *** malloc(): memory corruption (fast): 0x00000000007dee40 ***
>>>>
>>>>
>>>>
>>>>
>>> Can you check to see which check-in caused the problem. Go back to
>>> revision 2403, 2402, and so forth.
>>>
>>> Also, please remove the build directory and the installed numpy to be
>>> sure changes to the C-API are not causing problems.
>>>
>>> The trace-back is not really giving a clue. Perhaps if you ran under
>>> valgrind better help could be given. Are there any warnings emmitted
>>> during compilation?
>>>
>>>
>>> Could somebody else with a 64-bit system verify?
>>>
>>>
>>>
> BTW, the problem is not restricted to 64-bit systems. I just installed
> the latest svn version of numpy
> on a 32-bit system and got
> Check reading the nested fields of a nested array (1st level)*** glibc
> detected *** free(): invalid next size (fast): 0x081d5870 ***
> Abort
>
>
Please remove your installation of numpy and your build directory and
try again. I do not get these errors.
The copyswap function changed arguments and appears to be at the root of
these problems.
-Travis
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