This usually means that you have a memory error of some kind in your application.
Have you tried running your application through a memory-checking debugger, such as valgrind?
On Sep 5, 2011, at 3:48 AM, Jai Dayal wrote:
> Hi all,
> I've been beating my head on this for quite a while now. I don't have this problem when running with 1,2, or 3 procs, however, once I get to 4 or beyond, I have a problem.
> When I call malloc, I get this error:
> txserver:11055 terminated with signal 11 at PC=2b46886bc18a SP=7fff20f51030. Backtrace:
> However, only rank 0 calls this function. Which is strange. I can just put a dummy malloc in there (int * dummy = (int *)malloc(10);) for example, and it will still crash.
> Again, this does not happen with n < 4 procs. The crash happens on rank 0, as it's the only rank that calls this code...
> I'm perplexed.
> Thanks a lot,
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