[Paraview] pvserver not rendering when built with osmesa (MPI disabled)

[pat marion]

You could try again with mesa 7.6.1, I know that version works.  I think
there was a problem with mesa since from that version through 7.8, but I
think it is fixed in mesa's current development source.  I thought the
problem manifested itself as a crash though, not a hang.  Hopefully someone
else will recognize your problem, I have never seen that before.

Pat

On Mon, Nov 29, 2010 at 7:00 PM, Jeff Mauldin <jamauld at sandia.gov> wrote:

>  I did a clone of the repository using git (on Nov 18).  I'm trying to do
> stuff with ParaViewWeb and some of the things in ParaViewWeb need some of
> the latest changes.
>
> I'm using version 7.7.1 of mesa (and I therefore assume osmesa), as the
> wiki seemed to indicate this was a version which worked.  I didn't try a
> later version of mesa.
>
>
> pat marion wrote:
>
> Hi Jeff,
>
> Which version of paraview source code are you compiling, and which version
> of osmesa are you using?
>
> Pat
>
> On Wed, Nov 24, 2010 at 6:16 PM, Jeff Mauldin <jamauld at sandia.gov> wrote:
>
> 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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