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Subject: Re: [OMPI users] unresolvable R_X86_64_64 relocation against symbol `mpi_fortran_*
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-09-24 08:13:18


Check the output from when you ran Open MPI's configure and "make all" -- did it decide to build the F77 interface?

Also check that gcc and gfortran output .o files of the same bitness / type.

On Sep 24, 2011, at 8:07 AM, Dmitry N. Mikushin wrote:

> Compile and link - yes, but it turns out there was some unnoticed
> compilation error because
>
> ./hellompi: error while loading shared libraries: libmpi_f77.so.1:
> cannot open shared object file: No such file or directory
>
> and this library does not exist.
>
> Hm.
>
> 2011/9/24 Jeff Squyres <jsquyres_at_[hidden]>:
>> Can you compile / link simple OMPI applications without this problem?
>>
>> On Sep 24, 2011, at 7:54 AM, Dmitry N. Mikushin wrote:
>>
>>> 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
>>>>
>>> _______________________________________________
>>> 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/