On Aug 26, 2008, at 4:03 , L.F.Huang wrote: > I am calculating graphene supercell with one vacancy impurity, > whose size > is 4*4*1. It is an magnetic system whose magnetization is 0.8 bohr > magneton. > And there are 31 atoms and 93 representations with one mode for > each. At > first, ph.x is executing well, however, when the 23th > representation is being > done, there comes out some strange thing: > ********************************************************************** > FATAL ERROR on MPI node 3 (ganode054): GM send to MPI node 10 (??? > [00:60:dd:49:08:2a]) failed: status 18 (target node was > unreachable) check > the target host, mapping or cables > Small/Ctrl message completion error! > forrtl: error (76): IOT trap signal > [...] > Does anyone knows what is the reason of this error?
of course, nobody knows, but somebody might argue that it looks like a problem in node 10 rather than in q-e. Any evidence that the problem is really on the q-e side (i.e. the problem, or some problem, is reproducible on a different machine)? Paolo --- Paolo Giannozzi, Dept of Physics, University of Udine via delle Scienze 208, 33100 Udine, Italy Phone +39-0432-558216, fax +39-0432-558222
