[Paraview] Segfault in ParaView 4.4 RC2

Mon Sep 14 18:05:18 EDT 2015

Hi again,

I'm getting closer to making my sample application work, but still have some problems:

I have checked that my C++ adaptors are correct by generating a script that writes the data in pvti files. This works, I can run my application with this script, the file is generated and I can load it in ParaView to see that the content is correct. I took this opportunity to re-generate a script that is supposed to output a PNG file.

Now the generation of the PNG file has some problem. I attach a screenshot of what the source data looks like in ParaView (and thus what should be output by Catalyst in a PNG file).

- If I run the application from the VM's graphical interface, it runs fine. It only gives me the OpenGL warning I mentioned before. BUT the generated file has a big black area (see image_2.png attached). Also I see a window appear for a brief moment with the correct (full) view, then it disappears. I don't know why I get that.

- If I connect to the VM through SSH with -X (otherwise I get the bad display error) and run the application, Catalyst also outputs an image, but this image also has an artifact (see image_1.png attached), and then the application crashes in a segfault, outputing a backtrace (*** glibc detected *** ./Mandelbulb: munmap_chunk(): invalid pointer: 0x00007faffb503010 ***).
In the backtrace, the first line (so the last function call) is this:
/home/mdorier/ParaView-build/lib/libvtkCommonCore-pv4.4.so.1(_ZN20vtkDataArrayTemplateIhE11DeleteArrayEv+0x4b)[0x7fb028c257fd]

I attach my code for reproducibility.

Thanks for your help!

Matthieu

________________________________________
From: ParaView [paraview-bounces at paraview.org] on behalf of Dorier, Matthieu [mdorier at anl.gov]
Sent: Monday, September 14, 2015 9:34 AM
To: Utkarsh Ayachit; Cory Quammen
Cc: paraview at paraview.org
Subject: Re: [Paraview] Segfault in ParaView 4.4 RC2

Hi,

Indeed, disabling 3D acceleration makes ParaView work. I initially enabled it because when it's off, my Catalyst script gives me this:

OpenGL Warning: Failed to connect to host. Make sure 3D acceleration is enabled for this VM.

and the PNG image resulting from my script is just white (now that may be unrelated, maybe there is just a problem with my Catalyst adaptors...)

Also when running the simulation, I see a white-filled window briefly appearing an disappearing before this message shows up. This also happens when I run it through SSH (but I have to use the -X option in SSH, otherwise I get another error saying "bac X server connection").

Thank,

Matthieu

________________________________________
From: Utkarsh Ayachit [utkarsh.ayachit at kitware.com]
Sent: Monday, September 14, 2015 9:11 AM
To: Cory Quammen
Cc: Dorier, Matthieu; paraview at paraview.org
Subject: Re: [Paraview] Segfault in ParaView 4.4 RC2

What Cory suggested may be it. I can't spot anything fishy in the
CMakeCache.txt. Also try running another OpenGL enabled app, eg.
glxgears to see if that works. I believe it's provided by the
`mesa-utils` package on Ubuntu.

Utkarsh

On Mon, Sep 14, 2015 at 10:05 AM, Cory Quammen <cory.quammen at kitware.com> wrote:
> Hi Matthieu,
>
> My hunch is that there is a problem with the OpenGL provided by VirtualBox
> with 3D acceleration enabled. I have not found 3D acceleration to work well
> with my Ubuntu 140.04 installation, so I just disable it.
>
> Could you try disabling 3D acceleration and see if ParaView still crashes?
>
> Thanks,
> Cory
>
> On Mon, Sep 14, 2015 at 9:51 AM, Dorier, Matthieu <mdorier at anl.gov> wrote:
>>
>> Hi,
>>
>> I compiled ParaView 4.4 RC 2 from sources on Debian (Linux 3.2.0-4-amd64,
>> Debian 3.2.68-1+deb7u3 x86_64), in order to try Catalyst, but I got
>> segmentation faults when Catalyst runs my python script. I initially thought
>> something was wrong with my script but then I realized ParaView also
>> creashes with the same segfault when I try to start it (I see the
>> splashscreen, and the interface appears, but then it immediately crashes).
>> The error reported is:
>>
>> *** glibc detected ***
>> /home/mdorier/local/paraview/lib/paraview-4.4/paraview: munmap_chunk():
>> invalid pointer: 0x00000000048e4970 ***
>>
>> And a backtrace follows (which I attach. I wanted to get more info using
>> the core dump but ParaView doesn't seem to have been compiled with -g so
>> there is no other info).
>>
>> Here is how I installed ParaView:
>>
>> My compiler is gcc 4.7.2. MPI is Mpich 3.1.3.
>>
>> I (apt-get) installed the packages:
>>
>> libphonon-dev libphonon4 qt4-dev-tools libqt4-core libqt4-gui qt4-qmake
>> libxt-dev g++ gcc cmake-curses-gui libqt4-opengl-dev mesa-common-dev
>> python-dev
>>
>> I then configured ParaView using ccmake; I attach the resulting
>> CMakeCache.txt. Basically Catalyst and Python are turned ON, MPI as well,
>> rendering backend is set to OpenGL.
>>
>> I'm running on a virtual machine using VirtualBox, 3d acceleration is
>> enabled, and
>> glxinfo | grep "OpenGL version"
>> returns
>> OpenGL version string: 1.4 (2.1 INTEL-10.6.31)
>>
>> Thanks,
>>
>> Matthieu
>>
>> _______________________________________________
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>> Please keep messages on-topic and check the ParaView Wiki at:
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>>
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>
>
>
> --
> Cory Quammen
> R&D Engineer
> Kitware, Inc.
>
> _______________________________________________
> Powered by www.kitware.com
>
> Visit other Kitware open-source projects at
> http://www.kitware.com/opensource/opensource.html
>
> Please keep messages on-topic and check the ParaView Wiki at:
> http://paraview.org/Wiki/ParaView
>
> Search the list archives at: http://markmail.org/search/?q=ParaView
>
> Follow this link to subscribe/unsubscribe:
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>
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