[gmx-users] SGI Altix stack traceback

[David van der Spoel]

Aline Rossi wrote:
> Hi All,
> 
> the 3.3.1 version of gromacs  was installed on A SGI Altix 3700 BX2.
> When I run mdrun_mpi_f using 8 processors for a ~500k atoms system, i receive the follwing error. But when I run the same system with 4, 2 or 1 processor, 
> 
> the symulation goes fine.
> I´ve already tried to enhance the amount of memory to 16gb, but received the same error.  
> 
> Can any one advise me where might be the problem?
> 
> With regards,
> 
> Aline
> 
> 
> 
> 
> MPI: On host altix, Program /usr/local/gromacs-3.3.1/bin/mdrun_mpi_f, 
> Rank 3, Process 10691 received signal SIGSEGV(11)
> 
> 
> MPI: --------stack traceback-------

we need more info. It could be compilers, libraries (MPI) and so on. Try 
compiling with another MPI library.
And use gcc.

> 
> 
> ------------------------------------------------------------------------
> 
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-- 
David.
________________________________________________________________________
David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://folding.bmc.uu.se
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