[gmx-users] mpiexec: Warning: main: task 0 died with signal 11

Oliver Beckstein oliver at biop.ox.ac.uk
Tue Sep 16 14:49:01 CEST 2003


On Tue, 16 Sep 2003, Lars Meinhold wrote:

> I installed gromacs-3.1.4 on a linux cluster ('HELICS': dual AMD Athlon)
> without any trouble. But now when I start "mdrun_mpi_d ..." for a

Are you using LAM-mpi, and if yes, did you start up the LAM environment, 
eg something along the line of

   lamboot -v bhost.def

where bhost.def would be something like

   # bhost.def for 2 CPU SMP machine
   localhost cpu=2
   #end of bhost.def

?

Oliver

> parallel computation it crashes with the error message
> 
>   mpiexec: Warning: main: task 0 died with signal 11
> 
> However, if I run a single process-job everything works. I tried a
> different compiler but the problem remained - anyone can give me
> a hint what to do / try next?
> 
> cheers, Lars.
> 
> 
> PS: a bit more output
> >Steepest Descents:
> >   Tolerance         =  1.00000e+01
> >   Number of steps   =        30000
> >Step= 0, Dmax= 1.0e-03 nm, Epot= -6.71645e+04 Fmax= 2.42616e+04, atom= 90
> >mpiexec: Warning: main: task 0 died with signal 11.
> 
> 
> --
> --------------------------------------------------------------------------
> Lars Meinhold                           Heidelberg University, IWR
>                                         Computational Molecular Biophysics
> +49-6221-54 8808 (office R225)          Im Neuenheimer Feld 368
> +49-177-737 1809 (mobile)               D - 69120 Heidelberg
> lars.meinhold at iwr.uni-heidelberg.de     Germany
> --------------------------------------------------------------------------
> 
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-- 
Oliver Beckstein * oliver at bioch.ox.ac.uk
 http://indigo1.biop.ox.ac.uk/oliver/




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