[Paraview] ParaView GUI hanging in debug mode

[Paul Edwards]

I just testing connecting to a running pvserver and it works ok for me - are
you continuing the gdb process after you attach?

Regards,
Paul

On 27 October 2011 11:24, Adriano Gagliardi <agagliardi at ara.co.uk> wrote:

> **
> Thanks, Paul. I still can't stop it hanging, but I've resolved the bug I
> was tracking anyway.
>
> We have some totalview licences here, but I tend to prefer gdb. I remember
> you saying you worked on DDT. Nothing like favouritism!
>
>
> ===================================
>
> 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
>
>
>  ------------------------------
> *From:* Paul Edwards [mailto:paul.m.edwards at gmail.com]
> *Sent:* 26 October 2011 18:59
> *To:* agagliardi at ara.co.uk
> *Cc:* paraview at paraview.org
> *Subject:* Re: [Paraview] ParaView GUI hanging in debug mode
>
>  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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