[Paraview] [EXTERNAL] pvserver MPI issue

Mon Oct 16 13:46:25 EDT 2017

To be more specific, you have to run something like:
  $ /pathToPV5.0/lib/paraview-5.0/mpiexec -np 32 /pathToPV5.0/bin/pvserver

Joachim

*Joachim Pouderoux*, PhD

*Technical Expert - Scientific Computing Team*
*Kitware SAS <http://www.kitware.fr>*


2017-10-16 13:27 GMT-04:00 Joachim Pouderoux <joachim.pouderoux at kitware.com>
:

> Again Quentin, which "mpiexec" program are you using?
> The parallel PVServer is supposed to open just one socket to accept
> client's connection. Otherwise it just means that the MPI context is not
> correctly setup.
> It occures if PVServer has not been built with MPI support OR you do not
> use the mpiexec that correspond to the MPI library used to compile PV.
>
> Joachim
>
> *Joachim Pouderoux*, PhD
>
> *Technical Expert - Scientific Computing Team*
> *Kitware SAS <http://www.kitware.fr>*
>
>
> 2017-10-16 13:23 GMT-04:00 Quentin d'Avout <quentin at arrivo-loop.com>:
>
>> Hi Joachim,
>>
>>
>>
>> I’m running:
>>
>> mpirun -np 32 pvserver --server-port=%PV_SERVER_PORT%
>>
>> per paraView’s website. Launching the pvserver is not the issue,
>> connecting to it in the paraview GUI is.
>>
>> Thanks.
>>
>>
>>
>>
>>
>> *From:* Joachim Pouderoux [mailto:joachim.pouderoux at kitware.com]
>> *Sent:* Monday, October 16, 2017 10:08 AM
>> *To:* Quentin d'Avout <quentin at arrivo-loop.com>
>> *Cc:* Utkarsh Ayachit <utkarsh.ayachit at kitware.com>; ParaView <
>> paraview at paraview.org>
>>
>> *Subject:* Re: [Paraview] [EXTERNAL] pvserver MPI issue
>>
>>
>>
>> Quentin,
>>
>> Which `mpiexec` command are you using?
>>
>> You have to use the one provided with paraview, not the one of your
>> system which might be incompatible.
>>
>> Best,
>>
>> Joachim
>>
>>
>> *Joachim Pouderoux*, PhD
>>
>> *Technical Expert - Scientific Computing Team*
>> *Kitware SAS <http://www.kitware.fr>*
>>
>>
>>
>> 2017-10-16 13:03 GMT-04:00 Quentin d'Avout <quentin at arrivo-loop.com>:
>>
>> Hi Utkarsh,
>>
>> I did not recompile paraView myself, and using version
>> ParaView-5.0.1-Qt4-OpenGL2-MPI-Linux-64bit
>>
>> I assumed that because the D3 fitler is available and that the about
>> menus is stating "MPI enabled", this version was MPI enabled. Am I wrong
>> tho?
>>
>> [image: Inline image 1]
>>
>> Thanks
>>
>> Quentin
>>
>>
>>
>> On Sat, Oct 14, 2017 at 5:23 PM, Utkarsh Ayachit <
>> utkarsh.ayachit at kitware.com> wrote:
>>
>> Quentin,
>>
>>
>>
>> Each pvserver rank trying to connect the same socket is the classic
>> symptom of paraview not build with MPI. Mind attaching your CMakeCache.txt?
>>
>>
>>
>> Utkarsh
>>
>>
>>
>> On Sat, Oct 14, 2017 at 8:05 PM, Quentin d'Avout <quentin at arrivo-loop.com>
>> wrote:
>>
>> Thanks Utkarsh.
>>
>> Yes, I’ve checked both.
>>
>>
>>
>> Quentin d’Avout | Aerodynamics
>>
>> [image: Arrivo Loop] <http://www.arrivo-loop.com/>
>>
>>
>>
>> *From:* Utkarsh Ayachit [mailto:utkarsh.ayachit at kitware.com]
>> *Sent:* Saturday, October 14, 2017 4:55 PM
>> *To:* Quentin d'Avout <quentin at arrivo-loop.com>
>> *Cc:* Scott, W Alan <wascott at sandia.gov>; ParaView <paraview at paraview.org
>> >
>> *Subject:* Re: [Paraview] [EXTERNAL] pvserver MPI issue
>>
>>
>>
>> Are you sure you ParaView is built with MPI support enabled? If so, are
>> you sure you're using the correct mpirun executable that goes with the MPI
>> implementation you used to build ParaView?
>>
>>
>>
>> Utkarsh
>>
>>
>>
>> On Sat, Oct 14, 2017 at 2:49 PM, Quentin d'Avout <quentin at arrivo-loop.com>
>> wrote:
>>
>> Actually, it turns out that you have to specifically tell pvserver to use
>> different ports for every process:
>>
>>
>>
>> mpirun -np 32 pvserver --server-port=%PV_SERVER_PORT%
>>
>>
>>
>> But I’m now having issues connecting to all of these processes from the
>> paraView GUI/connect window. Can’t seem to be able to specify more than one
>> port at once…
>>
>>
>>
>> Anybody knows the trick?
>>
>> Thanks again
>>
>>
>>
>> *From:* Scott, W Alan [mailto:wascott at sandia.gov]
>> *Sent:* Friday, October 13, 2017 6:40 PM
>>
>>
>> *To:* Quentin d'Avout <quentin at arrivo-loop.com>; paraview at paraview.org
>> *Subject:* Re: [EXTERNAL] [Paraview] pvserver MPI issue
>>
>>
>>
>> All I have is back to the firewall?
>>
>>
>>
>> *From: *Quentin d'Avout <quentin at arrivo-loop.com>
>> *Date: *Friday, October 13, 2017 at 4:39 PM
>> *To: *W Scott <wascott at sandia.gov>, "paraview at paraview.org" <
>> paraview at paraview.org>
>> *Subject: *RE: [EXTERNAL] [Paraview] pvserver MPI issue
>>
>>
>>
>> Thanks Scott.
>>
>> Didn’t do the trick tho.
>>
>> Other ideas?
>>
>>
>>
>> *From:* Scott, W Alan [mailto:wascott at sandia.gov]
>> *Sent:* Friday, October 13, 2017 2:15 PM
>> *To:* Quentin d'Avout <quentin at arrivo-loop.com>; paraview at paraview.org
>> *Subject:* Re: [EXTERNAL] [Paraview] pvserver MPI issue
>>
>>
>>
>> Not saying I’m right here, but it looks like multiple versions of
>> ParaView are tying up the socket.  Do a ps -ef on paraview, client side,
>> and kill them.  Do the same on the server side.  Then, try again.
>>
>>
>>
>> Alan
>>
>>
>>
>> *From: *ParaView <paraview-bounces at paraview.org> on behalf of Quentin
>> d'Avout <quentin at arrivo-loop.com>
>> *Date: *Friday, October 13, 2017 at 3:10 PM
>> *To: *"paraview at paraview.org" <paraview at paraview.org>
>> *Subject: *[EXTERNAL] [Paraview] pvserver MPI issue
>>
>>
>>
>> Hi All,
>>
>>
>>
>> my issue is when I hit:
>>
>>
>>
>> mpirun -np 32 pvserver # with or without --mpi option
>>
>>
>>
>> I get :"vtkServerSocket (0x23fb3e0): Socket error in call to bind.
>> Address already in use."
>>
>> and: "vtkTCPNetworkAccessManager (0x1879510): Failed to set up server
>> socket."
>>
>>
>>
>> as if my paraView was compiled with the mpi capability off. But it is on
>> (D3 filter available, "about" windows also says so).
>>
>>
>>
>> pvserver in serial works just fine.
>>
>> Could have been the ufw firewall blocking connections, but it is disabled.
>>
>> Ubuntu 17.04.
>>
>>
>>
>> Thanks in advance for your help.
>>
>> Quentin
>>
>>
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>>
>>
>>
>>
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