I am trying to run a paraview server (pvserver) on a multinode machine
using osmesa to do offscreen rendering (and then viewed from a client on
another machine).
I have been successful in compiling pvserver with osmesa. However, when
I try to use pvserver, it hangs. Specifically, I start a paraview
client on machine A (bentley) and ask for a reverse-connection
connection to a pvserver which I will start manually on machine B. I go
to machine B and start pvserver (in reverse connect, with machine A
specified as the client host).
The connection is successful insofar as the output on the terminal I
started pvserver on on machine B says
Connected to client.
However, no rendering occurs on the paraview client on Machine A.
quite a bit of digging later (including putting some printf calls into
pvserver on machine B), I've figured out where the hang is:
In
vtkPVSynchronizedRenderWindows::SynchronizeBounds
we are in case RENDER_SERVER and we freeze during either the
c_rs_controller->Send
or
c_rs_controller->Receive
call.
A bit of the call stack is:
vtkPVSynchronizedRenderWindows::SynchronizeBounds
vtkPVRenderView::GatherBoundsInformation
vtkPVRenderView::Render
I belive this is the first render attempt made by pvserver.
I had compiled pvserver without MPI and am currently trying to recompile
it with MPI.
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