[petsc-users] A question on "memory access out of range" in mpi running

[zhenglun.wei at gmail.com]

Thanks Matt,
Do I need to comment out the whole function of VTK, or just certain line(s)?

Alan

On Jun 1, 2011 11:50am, Matthew Knepley <knepley at gmail.com> wrote:
> On Wed, Jun 1, 2011 at 11:47 AM, Alan Wei zhenglun.wei at gmail.com> wrote:

> Hi guys, I hope you're having a nice day.
> I was trying to run ex29.c in src/ksp/ksp/example/tutorial. It is normal  
> to go through without MPI. However, with the same grid size, if I run it  
> with 4 processes with MPI, a error message of "Caught signal number 11  
> SEGV: Segmentation Violation, probably memory access out of range" will  
> show up. Did anyone have this kind of issue before. I guess this is  
> probably caused by the way I launched the 'mpiexec'. Any idea on it? The  
> full error message is attached.



> Thanks in advance.


> No, there is some problem with the VTK output for that. You can comment  
> it out. I will look at fixing it.


> Matt


> best,
> Alan




> --
> What most experimenters take for granted before they begin their  
> experiments is infinitely more interesting than any results to which  
> their experiments lead.
> -- Norbert Wiener



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