[Numpy-discussion] Floating exception

[David Cournapeau]

On Thu, Jan 21, 2010 at 8:36 PM, Nils Wagner
<nwagner at iam.uni-stuttgart.de> wrote:
> On Thu, 21 Jan 2010 10:04:56 +0900
>  David Cournapeau <david at silveregg.co.jp> wrote:
>> Nils Wagner wrote:
>>> Hi all,
>>>
>>> I found a strange problem when I try to import numpy
>>>
>>> python -v
>>>>>> import numpy
>>> ...
>>> dlopen("/data/home/nwagner/local/lib/python2.5/site-packages/numpy/core/multiarray.so",
>>> 2);
>>> Floating exception
>>>
>>> Any idea ?
>>
>> Could you get a traceback (ideally making sure numpy is
>>built with debug
>> symbols - having -g in both CFLAGS and LDFLAGS) ?
>>
>> Having it happening inside the dlopen call is a bit
>>weird, I can't see
>> what could cause it,
>>
>> cheers,
>>
>> David
>
> Hi David,
>
> Thank you for your response.
> I switched from CentOS 4.2 to CentOS 5.2
> Here is the output of
>
> gdb python
> run -v
> #
> /data/home/nwagner/local/lib/python2.5/site-packages/site.pyc
> has bad magic
> ...
>
> What is the meaning of 'bad magic' ?

It seems that the bad magic is coming from python, which would most
likely mean the site.pyc bytecode is not compatible with the run
python. This is independent of your problem I think,

David