[Gmsh] Large Mesh Partitioning Segmentation Fault

[Christophe Geuzaine]

> On 31 Jul 2019, at 16:37, Joe Schickler <joeschickler.jjtech at gmail.com> wrote:
> 
> Hello all,
> 
> I am getting segmentation faults in gmsh 4.4.1 (and other versions) when I try to partition a mesh with
> Info    : 166593827 nodes
> Info    : 1030066524 elements  
> 
> The seg fault happens when I use metis and when I use the Plugin SimplePartition
> 
> Attached is copy of geo file.  Command I use at terminal is 
> ./gmsh -merge model3dbin.msh modelpart.geo -bin -save
> 

Does it happen on smaller meshes? Does it happen if you specify "-part_no_topo"? Can you run Gmsh inside a debugger and send us the backtrace?

Christophe

> Regards,
> Joe Schickler
> J&J Technologies LLC
> Stratford, NJ 08084
> Tel: (856) 437-0401
> Email: JoeSchickler.JJTech at gmail.com
> 
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine