[Paraview] pvbatch hanging in parallel after WriteImage?

[pat marion]

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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