Thanks for your answer. I think maybe it is the problem of parallel environment or using a old version intel compiler (11.0). I have contact to administrator for this problem.
================================================ ??? Pengju Ren renpj at dicp.ac.cn State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences 457 zhongshan Road, Dalian, 116023, P.R. China On Tue, 20 Sep 2011 14:31:28 +0530 Ramesh Kumar <rameshchitumalla at gmail.com> wrote: > Dear Pengju Ren, > > It seems there is no problem with your input file as I successfully > completed the task with your input file with in couple of minutes > with 20 processors. > > Just I added wfcdir = "/tmp", and changed the pseudo > potentials as > > H 1.000 H.pw91-van_ak.UPF > C 12.000 C.pw91-van_ak.UPF > > Of-course these changes may not be the correct reason for your error. > > And one more thing THE MASS OF 'H' ATOM IS *1, which also not a > matter in scf/nscf calculations.* > * > * > *Hope this helps you.* > > >