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Subject: Re: [OMPI users] Segfault on mpirun with OpenMPI 1.4.5rc2
From: Daniel Milroy (Daniel.Milroy_at_[hidden])
Date: 2012-02-01 12:34:13


Hi Götz,

I don't know whether we can implement your suggestion; it is dependent
on the terms of our license with Intel. I will take this under
advisement. Thank you very much.

Dan Milroy

2012/2/1 Götz Waschk <goetz.waschk_at_[hidden]>:
> On Tue, Jan 31, 2012 at 8:19 PM, Daniel Milroy
> <Daniel.Milroy_at_[hidden]> wrote:
>> Hello,
>>
>> I have built OpenMPI 1.4.5rc2 with Intel 12.1 compilers in an HPC
>> environment.  We are running RHEL 5, kernel 2.6.18-238 with Intel Xeon
>> X5660 cpus.  You can find my build options below.  In an effort to
>> test the OpenMPI build, I compiled "Hello world" with an mpi_init call
>> in C and Fortran.  Mpirun of both versions on a single node results in
>> a segfault.  I have attached the pertinent portion of gdb's output of
>> the "Hello world" core dump.
>
> Hi Daniel,
>
> that looks like the problem I had with my intel build of openmpi. I
> could solve it by upgrading the Intel Compiler version to 12.1.2.273:
> % icc -v
> icc version 12.1.2 (gcc version 4.4.5 compatibility)
> % icc -V
> Intel(R) C Intel(R) 64 Compiler XE for applications running on
> Intel(R) 64, Version 12.1 Build 20111128
> Copyright (C) 1985-2011 Intel Corporation.  All rights reserved.
>
>
> After a rebuild of the openmpi runtime, the crashes went away. I was
> using openmpi 1.5.3, but you could still have the same problem.
>
> Regards, Götz
>
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