[Paraview] segfault opening the color scale editor / vtkPVProminentValuesInformation?

[David Thompson]

Hi Burlen,

I'm working on it. It shouldn't take too long to fix. Thanks for the report.

	David

On May 6, 2013, at 1:13 PM, Burlen Loring <bloring at lbl.gov> wrote:

> Steps to reproduce:
> 
> Start pvserver running parallel 2 ranks
> Open the attached dataset, load b array
> Slice the dataset such that the slice contains no data from at least one rank.
> Color slice by b array magnitude (default)
> Open the color scale editor -> crash
> 
> I added the test dataset to the bug report: http://paraview.org/Bug/view.php?id=14051
> 
> On 05/03/2013 04:12 PM, Burlen Loring wrote:
>> with git master from this afternoon, I'm experiencing segfaults when I try to open the color scale editor. seems to be related to vtkPVProminentValuesInformation. As soon as I get 4 or more ranks I have the segfault. Is this a known issue? 
>> 
>> Program received signal SIGSEGV, Segmentation fault. 
>> 0x00007fde3f6dbee1 in vtkInformationVector::GetInformationObject (this=0x0, index=0) at /work/ext/ParaView/sqtk-pv/ParaView/VTK/Common/Core/vtkInformationVector.cxx:157
>> 157       if(index >= 0 && index < this->NumberOfInformationObjects) 
>> (gdb) where 
>> #0  0x00007fde3f6dbee1 in vtkInformationVector::GetInformationObject (this=0x0, index=0) at /work/ext/ParaView/sqtk-pv/ParaView/VTK/Common/Core/vtkInformationVector.cxx:157 
>> #1  0x00007fde3f5c5950 in vtkAbstractArray::UpdateDiscreteValueSet (this=0x3ce0130, uncertainty=0, minimumProminence=0) at       /work/ext/ParaView/sqtk-pv/ParaView/VTK/Common/Core/vtkAbstractArray.c 
>> #2  0x00007fde3f5c4d81 in vtkAbstractArray::GetProminentComponentValues (this=0x3ce0130, comp=-1, values=0x3cd2f30, uncertainty=0, minimumProminence=0) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/VTK/Common/Core/vtkAbstractArray.cxx:548
>> #3  0x00007fde383df72d in vtkPVProminentValuesInformation::CopyDistinctValuesFromObject (this=0x3ccfeb0, array=0x3ce0130) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ClientServerCore/Rendering/vtkPVProminentValuesInformation.cxx:391
>> #4  0x00007fde383df5b7 in vtkPVProminentValuesInformation::CopyFromLeafDataObject (this=0x3ccfeb0, dobj=0x4084620) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ClientServerCore/Rendering/vtkPVProminentValuesInformation.cxx:360
>> #5  0x00007fde383df2ad in vtkPVProminentValuesInformation::CopyFromCompositeDataSet (this=0x3ccbd80, cds=0x40bb800) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ClientServerCore/Rendering/vtkPVProminentValuesInformation.cxx:309
>> #6  0x00007fde383def5f in vtkPVProminentValuesInformation::CopyFromObject (this=0x3ccbd80, obj=0x405dd90) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ClientServerCore/Rendering/vtkPVProminentValuesInformation.cxx:263
>> #7  0x00007fde401554f0 in vtkPVSessionCore::GatherInformationInternal (this=0x23a3b90, information=0x3ccbd80, globalid=4483) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ServerImplementation/Core/vtkPVSessionCore.cxx:838
>> #8  0x00007fde401555cb in vtkPVSessionCore::GatherInformation (this=0x23a3b90, location=17, information=0x3ccbd80, globalid=4483) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ServerImplementation/Core/vtkPVSessionCore.cxx:858
>> #9  0x00007fde401512c0 in vtkPVSessionBase::GatherInformation (this=0x23a9ad0, location=17, information=0x3ccbd80, globalid=4483) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ServerImplementation/Core/vtkPVSessionBase.cxx:258
>> #10 0x00007fde40160b7e in vtkPVSessionServer::GatherInformationInternal (this=0x23a9ad0, location=17, classname=0x3cbb9f8 "vtkPVProminentValuesInformation", globalid=4483, stream=...) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ServerImplementation/Core/vtkPVSessionServer.cxx:567
>> #11 0x00007fde401608f0 in vtkPVSessionServer::OnClientServerMessageRMI (this=0x23a9ad0, message=0x408dec0, message_length=135) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ServerImplementation/Core/vtkPVSessionServer.cxx:527
>> #12 0x00007fde4015ee0c in (anonymous namespace)::RMICallback (localArg=0x23a9ad0, remoteArg=0x408dec0, remoteArgLength=135)       
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ServerImplementation/Core/vtkPVSessionServer.cxx:56
>> #13 0x00007fde3fb0c4bf in vtkMultiProcessController::ProcessRMI (this=0x2cdfe60, remoteProcessId=1, arg=0x408dec0, argLength=135, rmiTag=55625) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/VTK/Parallel/Core/vtkMultiProcessController.cxx:650
>> #14 0x00007fde3fb0c06e in vtkMultiProcessController::ProcessRMIs (this=0x2cdfe60, reportErrors=0, dont_loop=1) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/VTK/Parallel/Core/vtkMultiProcessController.cxx:597
>> #15 0x00007fde3fe64291 in vtkTCPNetworkAccessManager::ProcessEventsInternal (this=0x2394e90, timeout_msecs=0, do_processing=true) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ClientServerCore/Core/vtkTCPNetworkAccessManager.cxx:268
>> #16 0x00007fde3fe63e50 in vtkTCPNetworkAccessManager::ProcessEvents (this=0x2394e90, timeout_msecs=0) 
>>     at /work/ext/ParaView/sqtk-pv/ParaView/ParaViewCore/ClientServerCore/Core/vtkTCPNetworkAccessManager.cxx:165
>> #17 0x0000000000401713 in RealMain (argc=1, argv=0x7fff7f9ea6a8, type=vtkProcessModule::PROCESS_SERVER) at /work/ext/ParaView/sqtk-pv/ParaView/CommandLineExecutables/pvserver_common.h:90
>> #18 0x00000000004017c5 in main (argc=1, argv=0x7fff7f9ea6a8) at /work/ext/ParaView/sqtk-pv/ParaView/CommandLineExecutables/pvserver.cxx:21
> 
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