[Paraview] Segmentation Fault when using the vtkPVDReader

Bogdan Daqui Herrera bdaqui at simscale.de
Thu Oct 23 14:19:57 EDT 2014


Certainly. I should mention, I am using a pre-compiled version of Paraview 4.1 bundled with Salome (Ubuntu package).

Here it is (using pReader->SetForceOutputTypeToMultiBlock(1)):
ERROR: In /misc/dn47/SALOME/PRODUCTS/7x/opt/Ubuntu.13.10.64/7.4.0/tmp/ParaView-4.1.0_SRC/ParaViewCore/VTKExtensions/Default/vtkXMLCollectionReader.cxx, line 316
vtkPVDReader (0x6559e0): Error creating "vtkXMLMultiBlockDataReader" using vtkPVInstantiator.

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff65c4270 in vtkXMLCollectionReader::ReadXMLDataImpl() ()
   from /opt/salomeUbuntu_740/ParaView-4.1.0/lib/paraview-4.1/libvtkPVVTKExtensionsDefault-pv4.1.so.1
#0  0x00007ffff65c4270 in vtkXMLCollectionReader::ReadXMLDataImpl() ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkPVVTKExtensionsDefault-pv4.1.so.1
#1  0x00007ffff68cc128 in vtkXMLReader::RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) () from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkIOXML-pv4.1.so.1
#2  0x00007ffff68cd35d in vtkXMLReader::ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) () from
/opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkIOXML-pv4.1.so.1
#3  0x00007ffff7b97fd0 in vtkExecutive::CallAlgorithm(vtkInformation*, int, vtkInformationVector**, vtkInformationVector*) ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#4  0x00007ffff7b93447 in vtkDemandDrivenPipeline::ExecuteData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#5  0x00007ffff7b91181 in vtkCompositeDataPipeline::ExecuteData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#6  0x00007ffff7b95bb1 in vtkDemandDrivenPipeline::ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#7  0x00007ffff7ba8c21 in vtkStreamingDemandDrivenPipeline::ProcessRequest(vtkInformation*, vtkInformationVector**, vtkInformationVector*) ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#8  0x00007ffff7b9486d in vtkDemandDrivenPipeline::UpdateData(int) ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#9  0x00007ffff7ba9765 in vtkStreamingDemandDrivenPipeline::Update(int) ()
   from /opt/salome_740/ParaView-4.1.0/lib/paraview-4.1/libvtkCommonExecutionModel-pv4.1.so.1
#10 0x0000000000414fbf in testing::TestingIO::read (this=0x652b30, fileName=..., pMultiBlockDataSet=...)
    at /home/.../someProject/src/testing.cpp:85


Please let me know if you need something additional
On 10/23/2014 07:51 PM, Sebastien Jourdain wrote:
> If you provide the stack trace, that may be helpful.
> 
> Seb
> 
> On Thu, Oct 23, 2014 at 10:36 AM, Bogdan Daqui Herrera <bdaqui at simscale.de <mailto:bdaqui at simscale.de>> wrote:
> 
>     Hi Seb,
> 
>     Thanks for the quick reply. Yes the project is managed with CMake. I have not however been able to find the relevant posts by Marcus (in the users list). Is
>     that in the users or developers mailing list?
> 
>     It does sound like it could be a problem with some initialization, as you can see below.
> 
>     One short update, it looks like setting ForceMultiBlockDataSet Output with:
>     pReader->SetForceOutputTypeToMultiBlock(1);
>     leads to the segmentation fault at Update() (The deepcopy is never reached). With or without setting the previous line, the error
>     vtkPVDReader (0x1cb49e0): Error creating "vtkXMLMultiBlockDataReader" using vtkPVInstantiator.
> 
>     The code looks like this now:
>             vtkSmartPointer < vtkPVDReader > pReader = vtkSmartPointer < vtkPVDReader >::New();
>             pReader->SetFileName("/some/file.pvd");
>             pReader->Update(); (where the error is triggered)
> 
>     Kind Regards,
>     Bogdan
> 
>     On 10/23/2014 04:47 PM, Sebastien Jourdain wrote:
>     > Hi Bogdan,
>     >
>     > here are some issue in your code:
>     >
>     > vtkSmartPointer <vtkPVDReader> pReader = vtkPVDReader::New(); // <== Memory LEAK
>     > // Should be either
>     > // vtkNew<vtkPVDReader> pReader;
>     > // vtkSmartPointer<vtkPVDReader> pReader = vtkSmartPointer<vtkPVDReader>::New()
>     >
>     > Then here on a "NULL" object you try to call a method.
>     >
>     > vtkMultiBlockDataSet* pMultiBlockDataSet->DeepCopy(vtkMultiBlockDataSet::SafeDownCast(pReader->GetOutputDataObject(0)));
>     >
>     > Should be something like that:
>     >
>     > vtkNew< vtkMultiBlockDataSet > pMultiBlockDataSet;
>     > pMultiBlockDataSet->DeepCopy(vtkMultiBlockDataSet::SafeDownCast(pReader->GetOutputDataObject(0)));
>     >
>     > Then you might have some other issue where pReader output being empty/null, but for that I don't know.
>     >
>     > Are you managing your project with CMake? Did you include the necessary file with the proper dependency declaration. This seems to be related to the factory not
>     > being properly initialized. You can search the mailing list, Marcus did answer several questions about that.
>     >
>     > Seb
>     >
>     >
>     >
>     > On Thu, Oct 23, 2014 at 7:26 AM, Bogdan Daqui Herrera <bdaqui at simscale.de <mailto:bdaqui at simscale.de> <mailto:bdaqui at simscale.de
>     <mailto:bdaqui at simscale.de>>> wrote:
>     >
>     >     Hello all,
>     >
>     >     I am attempting to write some code in c++ which uses the vtkPVDReader from the paraview library to read a series of vtm files. However I am
>     encountering some
>     >     problems and I am not sure whether there is something I am missing or whether this could be a bug.
>     >
>     >     I am trying to use the reader in the following manner:
>     >     My Code:
>     >             vtkSmartPointer <vtkPVDReader> pReader = vtkPVDReader::New();
>     >             pReader->SetForceOutputTypeToMultiBlock(1);
>     >             pReader->SetFileName("/some/fileName.pvd");
>     >             pReader->Update();
>     >             vtkMultiBlockDataSet* pMultiBlockDataSet->DeepCopy(vtkMultiBlockDataSet::SafeDownCast(pReader->GetOutputDataObject(0)));
>     >
>     >     Error:
>     >             The error occurs at Update() with the following result:
>     >             ERROR: In /misc/dn47/SALOME/PRODUCTS/7x/opt/Ubuntu.13.10.64/7.4.0/tmp/ParaView-4.1.0_SRC/ParaViewCore/VTKExtensions/Default
>     >             /vtkXMLCollectionReader.cxx, line 316
>     >             vtkPVDReader (0x224d9e0): Error creating "vtkXMLMultiBlockDataReader" using vtkPVInstantiator.
>     >             Segmentation fault
>     >
>     >     Possible error Source
>     >     The code concerning line 316 from vtkXMLCollectionReader.cxx is:
>     >
>     >           // Use the instantiator to create the reader.
>     >           vtkObject* o = vtkPVInstantiator::CreateInstance(rname);
>     >           vtkXMLReader* reader = vtkXMLReader::SafeDownCast(o);
>     >           this->Internal->Readers[index] = reader;
>     >           if(reader)
>     >             {
>     >             reader->Delete();
>     >             }
>     >           else
>     >             {
>     >             // The class was not registered with the instantiator.
>     >             vtkErrorMacro("Error creating \"" << rname
>     >                           << "\" using vtkPVInstantiator.");
>     >             if(o)
>     >               {
>     >               o->Delete();
>     >               }
>     >             }
>     >           }
>     >
>     >     I have isolated the following lines and tested them independently:
>     >           vtkObject* o = vtkPVInstantiator::CreateInstance(rname);
>     >           vtkXMLReader* reader = vtkXMLReader::SafeDownCast(o);
>     >
>     >     The pointer "vtkObject* o" is NULL regardless of the class name I pass to instantiate, and I can imagine something like that happening in the library,
>     too and
>     >     causing the segmentation fault, when calling a SafeDownCast(o) (which is NULL).
>     >
>     >
>     >     Any suggestions on how to deal with this problem or if you would be so kind to point me to an example for an alternative solution (Could be
>     vtkFileSeriesReader,
>     >     but this fails, as well in my case) would be appreciated.
>     >
>     >     Kind Regards,
>     >     Bogdan
>     >
>     >     P.S.: Using the PVDReader from python code works flawlessly, which is also quite confusing, as to why it would fail in the C++ code.
>     >
>     >     --
>     >     Bogdan Daqui
>     >     Software Development
>     >
>     >     SimScale GmbH
>     >     Lichtenbergstraße 8
>     >     85748 Garching bei München
>     >
>     >     Phone: +49 (0)89 3398 4078
>     >     Email: bdaqui at simscale.de <mailto:bdaqui at simscale.de> <mailto:bdaqui at simscale.de <mailto:bdaqui at simscale.de>>
>     >
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