Dear QE users, I want to plot a fermi surface with a very dense kpoints, so that I can do some calculation such as the Fermi surface nesting function. A smaller kpoints number, such as 1200, works fine. But when I take the nscf calculation with a large kpoints number, such as 2000, the error happens as forllowing:
[proxy:0:0 at node6 <http://pwscf.org/mailman/listinfo/pw_forum>] HYD_pmcd_pmip_control_cmd_cb (./pm/pmiserv/pmip_cb.c:939): process reading stdin too slowly; can't keep up [proxy:0:0 at node6 <http://pwscf.org/mailman/listinfo/pw_forum>] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c:77): callback returned error status [proxy:0:0 at node6 <http://pwscf.org/mailman/listinfo/pw_forum>] main (./pm/pmiserv/pmip.c:206): demux engine error waiting for event [mpiexec at node0 <http://pwscf.org/mailman/listinfo/pw_forum>] control_cb (./pm/pmiserv/pmiserv_cb.c:202): assert (!closed) failed [mpiexec at node0 <http://pwscf.org/mailman/listinfo/pw_forum>] HYDT_dmxu_poll_wait_for_event (./tools/demux/demux_poll.c:77): callback returned error status [mpiexec at node0 <http://pwscf.org/mailman/listinfo/pw_forum>] HYD_pmci_wait_for_completion (./pm/pmiserv/pmiserv_pmci.c:197): error waiting for event [mpiexec at node0 <http://pwscf.org/mailman/listinfo/pw_forum>] main (./ui/mpich/mpiexec.c:331): process manager error waiting for completion Does anybody know what is the porblem? Best regards, Yours Dingfu Shao -- *Dingfu Shao, Ph.D * *Institute of Solid State Physics* *Chinese Academy of Sciences* *P. O. Box 1129* *Hefei 230031* *Anhui Province* *P. R. China* *Email: dingfu.shao at gmail.com <dingfu.shao at gmail.com>* ------------------------------ -------------- next part -------------- An HTML attachment was scrubbed... URL: http://pwscf.org/pipermail/pw_forum/attachments/20140421/d244b2be/attachment.html
