Hi Andy,
I am trying to install ParaView with EGL under Centos 7.1 but ParaView
configuration could not find following libraries,
EGL_gldispatch_LIBRARY EGL_gldispatch_LIBRARY-NOTFOUND
EGL_opengl_LIBRARY EGL_opengl_LIBRARY-NOTFOUND
I checked the OS and Nvidia drivers and i confirmed that i don't have
libGLdispatch library.
BTW, i am using Nvidia driver version 352.79. It is little bit old and
now it is 367.57. Do you think that my driver is not capable to install
the ParaView with EGL? If this is the case, i will try to upgrade the
Nvidia library but i just want to be sure.
Thanks for your help,
Regards,
--ufuk
On 02/11/16 17:49, Andy Bauer wrote:
Hi Ufuk,
I haven't heard of any issues like this. Do you get similar behavior
on the machine when running ParaView with a separate, connected pvserver?
If you have an NVIDIA card you may be able to use their EGL libs for
offscreen rendering (i.e. no x-windows needed). See the blog post at
https://blog.kitware.com/off-screen-rendering-through-the-native-platform-interface-egl/.
Best,
Andy
On Wed, Nov 2, 2016 at 5:22 AM, Ufuk Utku Turuncoglu (BE)
<u.utku.turunco...@be.itu.edu.tr
<mailto:u.utku.turunco...@be.itu.edu.tr>> wrote:
Hi,
I am trying to run a parallel code with co-processing support but
when i run the code, it is hanging without opening x-window and
writing the png files. In this case, i could not use or interact
with any other app with GUI such as firefox, terminal etc. It
seems that it affects the GNOME. On the other hand, if i connect
to machine remotely via ssh and kill the MPI process than the
machine back to the normal and i could interact with terminal and
other apps with GUI nornally. The system has Centos (7.1)
operating system along with ParaView 5.2.0RC3 (BTW, i compiled
ParaView from source). In this case, i am just running the code
with standard mpirun command as follows,
mpirun -np 16 ./main.x
to find the source of the problem, i included strace command to
the mpirun like following
mpirun -np 16 strace ./main.x
and it runs without any problem and produces desired output. So,
at this point i am little bit confused and i just wonder that is
there anybody else had similar issue before. Strace somehow solves
the problem but i don't know how. It seems that it is related with
the system because same code runs without any problem under MacOS.
I also compiled code with ParaView 5.1 and it also hangs. The
standard allinputsgridwriter.py is working without any problem and
writes the data to disk. So, somehow it is related with the system
(probably GNOME) or the ParaView installation.
Another question is that is there any way to prevent opening
x-window and still getting advantage of having GPU in this case?
The code only writes the result in png format. So, i need
installation for headless server (without any screen attached) but
i am not sure. I think that it requires special configuration
options for the ParaView installation. So, please let me know also
about those special options.
Regards,
--ufuk
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