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  • #19105
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Created Jun 19, 2019 by W. Alan Scott@wascottMaintainer

stream tracer, save data, crashes

We have a crash when trying to save data from a stream tracer. Here is how to replicate.

  • Master (Mid June, 2019), Linux, remote server (16 ranks).
  • Load g1s1. All vars on. Apply.
  • Stream tracer. Vectors: Vel. Seed Type: Point Source. Apply.
  • Move forward one timestep. If desired, hide the sphere.
  • File/ Save Data. Exodus. Don't save all timesteps.

Seg Fault. Lots of crash output verbiage gets written out, here is what I think is important (on the server side):

... Warning: In ../VTK/Common/DataModel/vtkPolyData.cxx, line 993 vtkPolyData (0x90cb940): Building VTK_LINE 138 with only one point, but VTK_LINE needs at least two points. Check the input.

Warning: In ../VTK/IO/Exodus/vtkExodusIIWriter.cxx, line 3406 vtkPExodusIIWriter (0x90caf50): Attempting to proceed without metadata

Warning: In ../VTK/IO/ParallelExodus/vtkPExodusIIWriter.cxx, line 142 vtkPExodusIIWriter (0x90caf50): NodesPerElement associated with ID's across processors doesn't match: 1 != 2

*** Error in ../lib/pvserver': malloc(): memory corruption: 0x0000000009383ae0 *** *** Error in ../lib/pvserver': malloc(): memory corruption: 0x000000000899e040 *** ======= Backtrace: ========= ...

Edited Oct 16, 2020 by Utkarsh Ayachit
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