[Paraview] pvbatch hanging in parallel after WriteImage?

[pat marion]

In the meantime, you can fix it by replacing the body of
vtkSMUtilities::SaveImageOnProcessZero with:

  return SaveImage(image, filename, writerName);

Pat

On Thu, Aug 19, 2010 at 5:22 PM, pat marion <pat.marion at kitware.com> wrote:

> I think it may have been buggy ever since the mpi broadcast was added, but
> a month and a half ago Utkarsh added a debugging call to Barrier to expose
> to help expose these issues.  I'll fix.
>
> Pat
>
>
> On Thu, Aug 19, 2010 at 5:12 PM, pat marion <pat.marion at kitware.com>wrote:
>
>> I can repeat this.  Believe it or not, WriteImage does an mpi broadcast.
>> In the 3.8 release and some time afterward it worked fine, but it doesn't
>> seem to work now.
>>
>> Pat
>>
>>
>> On Thu, Aug 19, 2010 at 5:09 PM, Eric E. Monson <emonson at cs.duke.edu>wrote:
>>
>>> Hey Jean,
>>>
>>> I am getting the same behavior on my Mac OS X 10.6 compiled with OpenMPI
>>> (but no OSMesa). I can run scripts like yours from the ParaView Python shell
>>> when connected to a four-process pvserver just fine, and it works from the
>>> same build of pvbatch run in serial (without mpirun), but when I try to run
>>> pvbatch with
>>>
>>> mpirun -np 4 ./pvbatch coloredSphere.0.py
>>>
>>> it hangs after writing the first image and giving me this output:
>>>
>>> vtkSphereSource : [ ...........]
>>> vtkSphereSource(3) : [ ...........]
>>> vtkSphereSource(1) : [ ...........]
>>> vtkSphereSource(2) : [ ...........]
>>> vtkPVGeometryFilter : [ ...........]
>>> vtkPVGeometryFilter(1) : [ ...........]
>>> vtkPainterPolyDataMapper : [ ...........]
>>> vtkPainterPolyDataMapper : [ ...........]
>>> Process id: 2 >> ERROR: In
>>> /Users/emonson/Programming/ParaView_git/ParaView/VTK/Parallel/vtkParallelRenderManager.cxx,
>>> line 1869
>>> vtkIceTRenderManager (0x10b104a90): Failed to read window information
>>>
>>> Process id: 3 >> ERROR: In
>>> /Users/emonson/Programming/ParaView_git/ParaView/VTK/Parallel/vtkParallelRenderManager.cxx,
>>> line 1869
>>> vtkIceTRenderManager (0x10be0ec40): Failed to read window information
>>>
>>> Process id: 1 >> ERROR: In
>>> /Users/emonson/Programming/ParaView_git/ParaView/VTK/Parallel/vtkParallelRenderManager.cxx,
>>> line 1869
>>> vtkIceTRenderManager (0x10b604a10): Failed to read window information
>>>
>>>
>>> Even a simple example like this hangs in the same way:
>>>
>>> from paraview.simple import *
>>>
>>> view = CreateRenderView()
>>>
>>> sphere = Sphere()
>>> Show()
>>> Render()
>>>
>>> WriteImage("sphere.0.png")
>>> WriteImage("sphere.1.png")
>>>
>>> Sorry I don't have any solution, but hopefully this will help someone who
>>> knows more figure it out. :)
>>> -Eric
>>>
>>> ------------------------------------------------------
>>> Eric E Monson
>>> Duke Visualization Technology Group
>>>
>>>
>>> On Aug 19, 2010, at 3:49 PM, Favre Jean wrote:
>>>
>>> >
>>> > i am having difficulty with pvbatch - compiled with Mesa 7.6 - running
>>> in parallel and hanging after the first WriteImage in my python scripts.
>>> >
>>> > I have tested several compilations on different clusters, several MPI
>>> (mvapich and openmpi) and still cannot make this work.  It writes the first
>>> image and then deadlocks or dies somewhere.
>>> >
>>> > I have no error messages to give me a clue. The pvserver from the same
>>> compilation works fine when connected to a client.
>>> >
>>> > This would be a test line:
>>> >
>>> > mpirun -np 12 --use-offscreen-rendering -display :0.0 pvbatch
>>> coloredSphere.0.py
>>> >
>>> > are there problems with my syntax, or something I overlooked in this
>>> simple example?
>>> >
>>> > thanks for any tip.
>>> >
>>> > -----------------
>>> > Jean M. Favre
>>> > Swiss National Supercomputing Center
>>> >
>>> > <coloredSphere.0.py>_______________________________________________
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>>
>>
>
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