  We consider the asymptotic state after a sudden quench of the magnetic field
in the transverse field quantum Ising chain starting from excited states of the
pre-quench Hamiltonian. We compute the thermodynamic entropies of the
generalised Gibbs and the diagonal ensembles and we find that the generalised
Gibbs entropy is always twice the diagonal one. We show that particular care
should be taken in extracting the thermodynamic limit since different averages
of equivalent microstates give different results for the entropies.
