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Subject: Re: [OMPI users] unresolvable R_X86_64_64 relocation against symbol `mpi_fortran_*
From: Dmitry N. Mikushin (maemarcus_at_[hidden])
Date: 2011-09-24 07:54:21


Hi Jeff,

Today I've verified this application on the Feroda 15 x86_64, where
I'm usually building OpenMPI from source using the same method.
Result: no link errors there! So, the issue is likely ubuntu-specific.

Target application is compiled linked with mpif90 pointing to
/opt/openmpi_gcc-1.5.4/bin/mpif90 I built.

Regarding architectures, everything in target folders and OpenMPI
installation is
ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically
linked, not stripped

- D.

2011/9/24 Jeff Squyres <jsquyres_at_[hidden]>:
> How does the target application compile / link itself?
>
> Try running "file" on the Open MPI libraries and/or your target application .o files to see what their bitness is, etc.
>
>
> On Sep 22, 2011, at 3:15 PM, Dmitry N. Mikushin wrote:
>
>> Hi Jeff,
>>
>> You're right because I also tried 1.4.3, and it's the same issue
>> there. But what could be wrong? I'm using the simplest form -
>> ../configure --prefix=/opt/openmpi_gcc-1.4.3/ and only installed
>> compilers are system-default gcc and gfortran 4.6.1. Distro is ubuntu
>> 11.10. There is no any mpi installed from packages, and no -m32
>> options around. What else could be the source?
>>
>> Thanks,
>> - D.
>>
>> 2011/9/22 Jeff Squyres <jsquyres_at_[hidden]>:
>>> This usually means that you're mixing compiler/linker flags somehow (e.g., built something with 32 bit, built something else with 64 bit, try to link them together).
>>>
>>> Can you verify that everything was built with all the same 32/64?
>>>
>>>
>>> On Sep 22, 2011, at 1:21 PM, Dmitry N. Mikushin wrote:
>>>
>>>> Hi,
>>>>
>>>> OpenMPI 1.5.4 compiled with gcc 4.6.1 and linked with target app gives
>>>> a load of linker messages like this one:
>>>>
>>>> /usr/bin/ld: ../../lib/libutil.a(parallel_utilities.o)(.debug_info+0x529d):
>>>> unresolvable R_X86_64_64 relocation against symbol
>>>> `mpi_fortran_argv_null_
>>>>
>>>> There are a lot of similar messages about other mpi_fortran_ symbols.
>>>> Is it a known issue?
>>>>
>>>> Thanks,
>>>> - D.
>>>> _______________________________________________
>>>> users mailing list
>>>> users_at_[hidden]
>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>
>>>
>>> --
>>> Jeff Squyres
>>> jsquyres_at_[hidden]
>>> For corporate legal information go to:
>>> http://www.cisco.com/web/about/doing_business/legal/cri/
>>>
>>>
>>> _______________________________________________
>>> users mailing list
>>> users_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to:
> http://www.cisco.com/web/about/doing_business/legal/cri/
>
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users
>