[Paraview] ParaView GUI hanging in debug mode

[Paul Edwards]

When debugging in parallel you will need to start the job without gdb and
then connect individually to  each of the pvserver processes with gdb.

The other option is to use a parallel debugger such as DDT or totalview -
both are commercial but you can get a trial license. Note: I'm biased
towards DDT as I used to work for Allinea and was one of the original
developers!

Regards,
Paul
On 26 Oct 2011 13:57, "Adriano Gagliardi" <agagliardi at ara.co.uk> wrote:

>
> Dear All,
>
> I'm trying to debug a parallel reader I am working on. I normally work with
> gdb and ParaView in serial client-server mode, which works fine. However,
> I'm now trying to debug the client-server mode when run in parallel using
> MPICH2 and I'm encountering issues.
>
> I've tried the following:
>
> (1) Run parallel pvserver first -> attach gdb to a process id -> start
> paraview client -> connect to server -> Result: client connected message
> appears then the client hangs.
>
> >>> mpirun -np 16 /path/to/ParaView-3.10.1-Debug/bin/pvserver
> >>> gdb --pid xxxx
> >>> paraview
> >>> (connect to client)
>
> (2) Run parallel pvserver first with gdb -> Result: pvserver does not start
> properly (no port message or waiting for client).
>
> >>> mpirun -np 16 gdb /path/to/ParaView-3.10.1-Debug/bin/pvserver
> gdb>> run
> >>> (server hangs)
>
> I tried the second option just in case it worked, but I was sure (and
> previous posts on the mailing lists showed) that the first option would
> work. I am using ParaView 3.10.1 Release built on CentOS5.4 using standard
> OS libraries with MPICH2.1.3.
>
> Is there something I've done wrong here? Any suggestions?
>
> Thanks,
>
> Adriano
>
> ===================================
>
> Adriano Gagliardi MEng PhD
> Business Sector Leader
> Computational Aerodynamics
> Aircraft Research Association Ltd.
> Manton Lane
> Bedford
>
> Tel: 01234 32 4644
> E-mail: agagliardi at ara.co.uk
> Url: www.ara.co.uk
>
>
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