snappy has issues with degenerate mesh distributions
To reproduce:
- blockMesh
- manual decomposition with all cells on single processor
- snappy: fails during castellate
partial log:
Feature refinement iteration 0
------------------------------
[4] #0 Foam::error::printStack(Foam::Ostream&)[5] #0 Foam::error::printStack(Foam::Ostream&)[1] #0 Foam::error::printStack(Foam::Ostream&)[2] #0 Foam::error::printStack(Foam::Ostream&)[3] #0 Foam::error::printStack(Foam::Ostream&) at ??:?