Comment (by Lorenzo Sala):

Thank you very much for suggesting the paper by Siegel and Moesta, I’m already using it for some code I’m writing, I wanted to point out this issue in GRHydro. Unfortunately, using the non-MHD-C2P instead of the MHD-C2P (modifying schedule.ccl) leads to "EOS Problem in C2P hot!!!" (Con2PrimHot.F90, line 255). I have attached a 3d checkpoint taken after the initial set-up, that can be used with the two parfiles I had already attached.
Thank you for your attention

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2272/grhydro-c2p-inconsistency-with-and-without