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Subject: Re: [OMPI users] MPI Error
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2008-12-19 20:20:22


It looks like your code is failing in malloc, which usually means you
have some kind of memory error.

You might want to try running your code through valgrind, or some
other memory-checking tool...?

On Dec 19, 2008, at 3:34 PM, Asad Ali wrote:

> Hi Everybody,
>
> I am running a code in parallel fashion using Open MPI. The code
> compiles successfully but when I
> run the output executable file I get the following error.
>
> Signal:11 info.si_errno:0(Success) si_code:1(SEGV_MAPERR)
> Failing at addr:0xc491f018
> [0] func:/usr/lib/openmpi/libopal.so.0 [0x46efd6]
> [1] func:[0x110440]
> [2] func:/usr/lib/openmpi/libopal.so.0(_int_malloc+0x241) [0x471d41]
> [3] func:/usr/lib/openmpi/libopal.so.0(malloc+0x88) [0x474928]
> [4] func:./lisa09EMRIT-P(generateresiduals+0x5d) [0x805456d]
> [5] func:./lisa09EMRIT-P(metropolis+0x172) [0x8054992]
> [6] func:./lisa09EMRIT-P(main+0x37b) [0x805662b]
> [7] func:/lib/libc.so.6(__libc_start_main+0xe0) [0x2aef70]
> [8] func:./lisa09EMRIT-P [0x804af21]
> *** End of error message ***
>
> Could you please tell me whats the problem here?
>
> Thanking you in advance.
>
> Regards,
>
> Asad
>
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-- 
Jeff Squyres
Cisco Systems