[Pw_forum] ph.x v3.2 on NEC SX-8

[Paolo Giannozzi]

On Apr 14, 2007, at 20:48 , wlyim at puccini.che.pitt.edu wrote:

> "mpirun -np 1 ./pw.x -in alas.scf.in" works. However, when using 2  
> cpus,
> the program crashed, which seemed to be related to the allocation  
> problem
> in "atomic_rho.f90".
> [...]
>      Initial potential from superposition of free atoms
>  ****  90 Fatal exception PROG=atomic_rho ELN=116(40038f7f4)
>  SIGSEGV: Segmentation violation
>                  Called from potinit ELN=202(4002b8b3c)f7f4)

> [...] I am not sure if this is a compiler problem, or compiler  
> option problem,
> or something else. Any idea will be welcome.

try to locate the exact point where the code crashes. Maybe it will give
you some idea.

Paolo
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Paolo Giannozzi, Democritos and University of Udine, Italy