Segmentation fault on surface extraction
NekMesh fails to extract a boundary of a simple curved cylindrical shape.
extracting the wall and one inlet works
NekMesh -m extract:surf=3 siphon_taper_spherigon.xml siphon_taper_spherigon_3.xml
NekMesh -m extract:surf=2 siphon_taper_spherigon.xml siphon_taper_spherigon_2.xml
but fails on
NekMesh -m extract:surf=4 siphon_taper_spherigon.xml siphon_taper_spherigon_4.xml
Segmentation fault (core dumped)