[Pw_forum] segmentation fault in PWcond calcuation

[Gabriele Sclauzero]

Il giorno 09/set/2010, alle ore 13.34, Dimpy Sharma ha scritto:

> 
> Hi there,
> 
> I was trying to calculate transmisson using pwcond,The system contains 282 atoms,
> 
It's a lot of atoms for the memory requirements of PWcond. Have you tried with a smaller system?

> my scf calculation for both the lead and scattering run successfully but while running the Pwcond,the calculation stops without giving CRASH file.The output file crashes with the following
> 
> 6_656: (392.304688) net_send: could not write to fd=5, errno = 32
> Segmentation fault
> 
> segmentation fault.
> 
Most probably you have run out of memory. Try with a smaller system or reduce the PW cutoffs or provide more memory per process (e.g. by running with less processes than the total number of CPUs available per node).


HTH

GS


> 
> Any advice welcome.
> Thanks and regards
> Dimpy
> Dimpy Sharma
> ETG-Group
> Tyndall National Institute
> Cork
> 
> 
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§ Gabriele Sclauzero, EPFL SB ITP CSEA
   PH H2 462, Station 3, CH-1015 Lausanne

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