Re: [Matplotlib-users] Matplotlib 1.5.1 - Function pcolormesh throws Segmentation Fault

[Benjamin R. <ben...@gm...>]

Sorry, forgot to post the link: https://pypi.python.org/pypi/faulthandler/

On Wed, Feb 24, 2016 at 3:33 PM, Benjamin Root <ben...@gm...> wrote:

> Could you try using faulthandler and post the traceback please? That'll
> help us isolate the problem better.
>
> Ben Root
>
> On Wed, Feb 24, 2016 at 3:04 PM, Claude Falbriard <cl...@br...>
> wrote:
>
>> Dear colleagues,
>>
>>  I've done a build from source of latest *Matplotlib* package and
>> deployed it at our IBM z13 machine (s390x). It uses the current release
>> 1.5.1.
>> During the unit tests I found an issue with a test case from NOAA which
>> uses a* pcolormesh* draw function with *basemap*.
>>
>> Example 2: Plot data from an NWW3 GRiB2 file - [ here:
>> *http://polar.ncep.noaa.gov/waves/examples/usingpython.shtml*
>> <http://polar.ncep.noaa.gov/waves/examples/usingpython.shtml>*]*
>>
>> The following line is causing a *Segmentation fault* error even when
>> adding an 8GB swap memory to the process:
>>
>> cs = m.pcolormesh(x,y,data,shading='flat',cmap=plt.cm.jet)
>>
>> I also tryed to execute other, similar samples that use pcolormesh, but
>> receiving the same error. Is this a known issue or might it be be related
>> to the memory environment ? Any hints how to debug this error?
>>
>> Regards,
>>
>> *Claude Falbriard*
>> Certified IT Specialist L2 - Middleware
>> ------------------------------
>> *Phone:*55-13-99662-5703 | *Mobile:*55-13-98117-3316
>> *E-mail:* *cl...@br...* <cl...@br...>
>>
>>
>>
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>