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Subject: Re: [OMPI users] [EXTERNAL] Re: open-mpi on Mac OS 10.9 (Mavericks)
From: George Bosilca (bosilca_at_[hidden])
Date: 2013-11-25 09:14:16


Mac OS X 1.9 dropped support for gdb. Please report the output of lldb instead.

Also, can you run “otool -L ./hello_cxx” and report the output.

  Thanks,
    George.

On Nov 25, 2013, at 15:09 , Meredith, Karl <karl.meredith_at_[hidden]> wrote:

> I do have DYLD_LIBRARY_PATH set to the same paths as LD_LIBRARY_PATH. This does not resolve the problem. The code still hangs on MPI::Init().
>
> Another thing I tried is I recompiled openmpi with the debug flags activated:
> ./configure --prefix=$HOME/tools/openmpi --enable-debug
> make
> make install
>
> Then, I attached to the running process using gdb. I tried to do a back trace and see where it was hanging up at, but all I got was this:
> Attaching to process 45231
> Reading symbols from /Users/meredithk/tools/openmpi-1.6.5/examples/hello_cxx...Reading symbols from /Users/meredithk/tools/openmpi-1.6.5/examples/hello_cxx.dSYM/Contents/Resources/DWARF/hello_cxx...done.
> done.
> 0x00007fff8c1859aa in ?? ()
> (gdb) bt
> #0 0x00007fff8c1859aa in ?? ()
> #1 0x0000000106b73ea0 in ?? ()
> #2 0x706d6e65706f2f2f in ?? ()
> #3 0x0000000000000001 in ?? ()
> #4 0x0000000000000000 in ?? ()
>
> This output from gdb was not terribly helpful to me.
>
> Karl
>
>
> On Nov 25, 2013, at 8:30 AM, Hammond, Simon David (-EXP) <sdhammo_at_[hidden]<mailto:sdhammo_at_[hidden]>> wrote:
>
> We have occasionally had a problem like this when we set LD_LIBRARY_PATH only. On OSX you may need to set DYLD_LIBRARY_PATH instead ( set it to the same lib directory )
>
> Can you try that and see if it resolves the problem?
>
>
>
> Si Hammond
> Sandia National Laboratories
> Remote Connection
>
>
> -----Original Message-----
> From: Meredith, Karl [karl.meredith_at_[hidden]<mailto:karl.meredith_at_[hidden]>]
> Sent: Monday, November 25, 2013 06:25 AM Mountain Standard Time
> To: Open MPI Users
> Subject: [EXTERNAL] Re: [OMPI users] open-mpi on Mac OS 10.9 (Mavericks)
>
>
> I do have these two environment variables set:
>
> LD_LIBRARY_PATH=/Users/meredithk/tools/openmpi/lib
> PATH=/Users/meredithk/tools/openmpi/bin
>
> Running mpirun seems to work fine with a simple command, like hostname:
>
> $ )mpirun -n 2 hostname
> meredithk-mac.corp.fmglobal.com<http://meredithk-mac.corp.fmglobal.com>
> meredithk-mac.corp.fmglobal.com<http://meredithk-mac.corp.fmglobal.com>
>
> I am trying to run the simple hello_cxx example from the openmpi distribution, compiled as such:
> mpic++ -g hello_cxx.cc -o hello_cxx
>
> It compiles fine, without warning or error. However, when I go to run the example, it stalls on the MPI::Init() command:
> mpirun -np 1 hello_cxx
> It never errors out or crashes. It simply hangs.
>
> I am using the same mpic++ and mpirun version:
> $ )which mpirun
> /Users/meredithk/tools/openmpi/bin/mpirun
>
> $ )which mpic++
> /Users/meredithk/tools/openmpi/bin/mpic++
>
> Not quite sure what else to check.
>
> Karl
>
>
> On Nov 23, 2013, at 5:29 PM, Ralph Castain <rhc_at_[hidden]<mailto:rhc_at_[hidden]>> wrote:
>
>> Strange - I run on Mavericks now without problem. Can you run "mpirun -n 1 hostname"?
>>
>> You also might want to check your PATH and LD_LIBRARY_PATH to ensure you have the prefix where you installed OMPI 1.6.5 at the front. Mac distributes a very old version of OMPI with its software and you don't want to pick it up by mistake.
>>
>>
>> On Nov 22, 2013, at 1:45 PM, Meredith, Karl <karl.meredith_at_[hidden]<mailto:karl.meredith_at_[hidden]>> wrote:
>>
>>> I recently upgraded my 2013 Macbook Pro (Retina display) from 10.8 to 10.9. I downloaded and installed openmpi-1.6.5 and compiled it with gcc 4.8 (gcc installed from macports).
>>> openmpi compiled and installed without error.
>>>
>>> However, when I try to run any of the example test cases, the code gets stuck inside the first MPI::Init() call and never returns.
>>>
>>> Any thoughts on what might be going wrong?
>>>
>>> The same install on OS 10.8 works fine and the example test cases run without error.
>>>
>>> Karl
>>>
>>> _______________________________________________
>>> users mailing list
>>> users_at_[hidden]<mailto:users_at_[hidden]>
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
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