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Subject: Re: [OMPI users] OMPI free() error
From: Ashley Pittman (ashley_at_[hidden])
Date: 2011-03-18 05:55:16

On 18 Mar 2011, at 06:07, Jack Bryan wrote:

> Hi,
> I am running a C++ program with OMPI.
> I got error:
> *** glibc detected *** /nsga2b: free(): invalid next size (fast): 0x0000000001817a90 ***

This error indicates that when glibc tried to free some memory the internal data structures it uses were corrupt.

> In valgrind,
> there are some invalid read and write butno errors about this
> free(): invalid next size .

You need to fix the invalid write errors, the above error is almost certainly a symptom is these.


Ashley Pittman, Bath, UK.
Padb - A parallel job inspection tool for cluster computing