The cylinder tutorial-case for potentialFoam fails on some machines (see CDash-Link)
Problem seems to be that boundary/blockMeshDict specify symmetry while 0/p specifies symmetryPlane. Setting symmetryPlane in the blockMeshDict fixes this.
The strange thing is that for the identical sources other machines run this test OK (http://openfoam-extend.sourceforge.net/CDash/testDetails.php?test=14429&build=666).
Most notable difference is that the failing machines has gcc 4.4 while the others have 4.7, 4.8
Usually I'd suggest changing the tutorial and forgetting about it but is it possible that this might be part of a subtle problem that older compilers have with runtime-selection?
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