[Paraview] ParaView crashes in parallel mode

[Andy Bauer]

Hi Herwig,

This had to do with round-off error and trying to use floats and doubles
interchangeably.

I'll have a fix in VTK for it but it may take a bit to propogate. For now
you can try doing a small displacement using the Transform filter if you
want to run in parallel. It's a bit of a hack but at least will get you
past any current barriers. For your data set I used a z transform of +10.

Regards,
Andy

On Mon, Mar 4, 2013 at 9:53 AM, Herwig Zilken <h.zilken at fz-juelich.de>wrote:

>  Hi Andy,
>
> thanks for your offer to help. You can find a smaller dataset (hdf5/xdmf
> format) here:
>
> https://gigamove.rz.rwth-aachen.de/download/id/rCMB4vcypE54vz
>
> ParaView crashes when I start pvserver with exact 4 instances (mpiexec -n
> 4 pvserver). I can load the dataset, but when I create a D3 filter, it
> crashes with the error message below.
> (Funnily enough,  it works when I start pvserver with 2 or 3 instances.)
> I tested it on 2 different machines, the error showed up on both.
>
>
> Best regards,
>
> Herwig
>
>
>
> Am 04.03.2013 12:45, schrieb Andy Bauer:
>
> Hi,
>
> Any chance you could make the data set available for download? Otherwise,
> maybe you could try to recreate the behavior with a smaller data set and
> share that. I'm not sure how easy it will be to figure out the problem
> otherwise.
>
> Thanks,
> Andy
>
> On Mon, Mar 4, 2013 at 3:30 AM, Herwig Zilken <h.zilken at fz-juelich.de>wrote:
>
>> Hello,
>>
>> I have some problems using ParaView in parallel mode.
>> I have a hdf5/xdmf dataset. It's an unstructured grid with some
>> attributes, having a size of about 400 MBytes in total.
>> When I load the dataset in serial ParaView, everything seems alright.
>>
>> But when I try to load it with 2 or 4 pvserver instances, ParaView
>> crashes when I try to use some filters (e.g. D3, clip). For example I
>> got the following error message:
>>
>> "ERROR: In
>>
>> /home/test/ParaView_3.98.1/ParaView-3.98.1-source/VTK/Common/DataModel/vtkKdTree.cxx,
>> line 1970
>>   vtkKdTree (0x95ef750): vtkKdTree::BuildMapForDuplicatePoints corrupt
>> k-d tree"
>>
>>
>> Any suggestions or help would be fine!
>>
>> Thanks,
>>
>> Herwig Zilken
>>
>>
>>
>>
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