[Paraview] MPI Socket in use

[Utkarsh Ayachit]

Are there multiple version of MPI installed by any chance?

Utkarsh

On Tue, Apr 17, 2012 at 2:51 PM, Adam Dershowitz
<adershowitz at exponent.com> wrote:
> Attached are the results of ldd libvtkParallel.so (looks to me like it is
> linking MPI stuff).  And also CMakeCache.txt
>
>
>
>
>
> -----Original Message-----
> From: Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
> Sent: Tue 4/17/2012 6:14 AM
> To: Adam Dershowitz
> Cc: paraview at paraview.org
> Subject: Re: [Paraview] MPI Socket in use
>
> Do you mind posting your CMakeCache.txt file? Also do a "ldd
> libvtkParallel.so". Let's verify that vtkParallel is linking against
> MPI libs.
>
> Utkarsh
>
> On Tue, Apr 17, 2012 at 12:26 AM, Adam Dershowitz, Ph.D., P.E.
> <adershowitz at exponent.com> wrote:
>> I am sure that I use ccmake and changed PARAVIEW_USE_MPI to ON, (I also
>> enabled python and pointed to the open mpi compiler, so that it then filled
>> in most of the variables for MPI, as the note explains).  Then I did
>> configure and generate.  Finally I did make, and sudo make install.  All
>> seemed to work fine, and paraview runs fine, with a single processor.
>> I even went so far and to make a new, empty directory, and rebuilt it
>> there.  With the same results.
>> I have also tried to explicitly put in the correct path, just to make sure
>> that there isn't some other pvserver around:
>> mpirun -np 3 /home/dersh/projects/ParaView-bin/bin/pvserver
>> with exactly the same results.
>> I have gone back, and now I see that MPIEXEC_MAX_NUMPROCS and
>> VTK_MPI_MAX_NUMPROCS are set to 2.  But, I get the same error if I try to
>> run it with -np 2, so clearly just using MPI is failing.  A
>>
>> I realized that the problem is consistent with it not being built with
>> MPI, but I definitely set it on.  Are there some other variables that have
>> to be set?  Clearly something is not being built correctly, but I am not
>> sure what it is.
>>
>> Thanks,
>>
>> --Adam
>>
>>
>>
>> On Apr 16, 2012, at 7:09 PM, Utkarsh Ayachit wrote:
>>
>>> You may want to verify PARAVIEW_USE_MPI flag again and ensure that the
>>> pvserver you're running is indeed the one that has PARAVIEW_USE_MPI
>>> set to ON. The problem you're seeing is typical when ParaView not
>>> built with MPI.
>>>
>>> Utkarsh
>>>
>>> On Mon, Apr 16, 2012 at 8:10 PM, Adam Dershowitz
>>> <adershowitz at exponent.com> wrote:
>>>> I just built paraview on an opensuse linux box.  When I use the GUI, and
>>>> a
>>>> single connection it seems to work fine.  But, if I try to use multiple
>>>> CPUs, or run with mpi, it fails.
>>>> I do have OpenMPI installed.
>>>> When I first started getting the error, I googled around some and found
>>>> that
>>>> maybe "make install" would help (I had been running it just in the build
>>>> directory).  But I am getting the same error after installing.  I also
>>>> added
>>>> my openmpi libraries to LD_LIBRARY_PATH (when I first tried to run it I
>>>> had
>>>> other errors about a shared library).
>>>>
>>>> I did build with PARAVIEW_USE_MPI set to on.  It looks as though one
>>>> pvserver will run, but any additional ones finds a port in use.  Clearly
>>>> something is not right about how MPI is being handled, but I am not sure
>>>> how
>>>> to fix it.
>>>>
>>>>
>>>> If I try mpirun, here is error I get:
>>>>
>>>>
>>>> mpiexec -np 3  pvserver
>>>> Waiting for client...
>>>> Connection URL: cs://cfd:11111
>>>> Accepting connection(s): cfd:11111
>>>> Waiting for client...
>>>> Connection URL: cs://cfd:11111
>>>> ERROR: In
>>>> /home/dersh/projects/ParaView-3.14.1-Source/VTK/Common/vtkSocket.cxx,
>>>> line
>>>> 206
>>>> vtkServerSocket (0xebd970): Socket error in call to bind. Address
>>>> already in
>>>> use.
>>>>
>>>> ERROR: In
>>>>
>>>> /home/dersh/projects/ParaView-3.14.1-Source/ParaViewCore/ClientServerCore/vtkTCPNetworkAccessManager.cxx,
>>>> line 343
>>>> vtkTCPNetworkAccessManager (0x661800): Failed to set up server socket.
>>>>
>>>> Exiting...
>>>> Waiting for client...
>>>> Connection URL: cs://cfd:11111
>>>> ERROR: In
>>>> /home/dersh/projects/ParaView-3.14.1-Source/VTK/Common/vtkSocket.cxx,
>>>> line
>>>> 206
>>>> vtkServerSocket (0xebd970): Socket error in call to bind. Address
>>>> already in
>>>> use.
>>>>
>>>> ERROR: In
>>>>
>>>> /home/dersh/projects/ParaView-3.14.1-Source/ParaViewCore/ClientServerCore/vtkTCPNetworkAccessManager.cxx,
>>>> line 343
>>>> vtkTCPNetworkAccessManager (0x661800): Failed to set up server socket.
>>>>
>>>> Exiting...
>>>>
>>>> -----------------------------------------------------------------------------
>>>> It seems that [at least] one of the processes that was started with
>>>> mpirun did not invoke MPI_INIT before quitting (it is possible that
>>>> more than one process did not invoke MPI_INIT -- mpirun was only
>>>> notified of the first one, which was on node n0).
>>>>
>>>> mpirun can *only* be used with MPI programs (i.e., programs that
>>>> invoke MPI_INIT and MPI_FINALIZE).  You can use the "lamexec" program
>>>> to run non-MPI programs over the lambooted nodes.
>>>>
>>>> -----------------------------------------------------------------------------
>>>> mpirun failed with exit status 252
>>>>
>>>> And suggestions would be greatly appreciated.
>>>>
>>>> thanks,
>>>>
>>>> --Adam
>>>>
>>>>
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>