[CIG-SEISMO] xgenerate_databases error

[Dimitri Komatitsch]

Hi,

You are likely running out of memory per core. In some allocate() 
statements we do not check the error code (we should, but we sometimes 
don't) and thus the program may then segfault when trying to use some 
arrays that have not been allocated if there is not enough memory left.

Could you try running with full debugging and checking turned on in your 
compiler? (e.g. adding -check all -traceback to flags.guess and 
rerunning "configure") (-check all -traceback is for Intel ifort but 
there are similar options for other compilers; some of them are already 
listed in flags.guess).
Then please email me the error message and we will add a check right 
after the corresponding allocate() statement.

Thank you,
Dimitri.

On 12/07/2012 01:02 PM, Yingzi Ying wrote:
> Hi all,
>
> I am using v2.0.1 specfem3d and meshfem3d. I have no problem in running
> xgenerate_databases with relatively small mesh size, for example,
> 144*144*72 with 324 cpus. But when I increase the mesh to 576*576*144
> with the same cpu number, I always meet the xgenerate_databases crash
> with following pbs error message
> ------------------------
> mpiexec_raw: Warning: tasks
> 0,17,35-36,53,71-72,89,96,108,125,143-144,161-162,179-180,197,215-216,233-234,251-252,269,287-288,306,323
> died with signal 9 (Killed).
> mpiexec_raw: Warning: tasks
> 1-16,18-34,37-52,54-70,73-88,90-95,97-107,109-124,126-142,145-160,163-178,181-196,198-214,217-232,235-250,253-268,270-286,289-305,307-322
> died with signal 15 (Terminated).
> ------------------------
>
> I also attached the Mesh_Par_file.
>
> Anyone who was in the similar situation and knows how to solve this
> problem please kindly give me a help.
>
> Thanks in advance.
>
> Best regards,
> Yingzi
>
>
>
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-- 
Dimitri Komatitsch
CNRS Research Director (DR CNRS), Laboratory of Mechanics and Acoustics,
UPR 7051, Marseille, France    http://komatitsch.free.fr