[Gmsh] Query

[Christophe Geuzaine]

> On 13 Sep 2016, at 18:18, UMESH KUMAR SETH <umesh.kumar.seth at univ-poitiers.fr> wrote:
> 
> Hello,
> 
> I am a new user to GMSH. 
> I downloaded the current stable release (version 2.13.2)  64 bit Linux version of GMSH, last week,  from the gmsh website (http://gmsh.info/).
> When I checked the About Gmsh option in Help menu, I found it says Version 2.8.3.

You probably have a path-related issue: if Help->About says "2.8.3" you are clearly runnning the old version.


> The file I downloaded from the website is named "gmsh-2.13.2-Linux64.tgz". 
> Because of this I am not sure if I am using the latest version 2.13.2 .
> 
> The problems I face :
> 
> 1.) As soon as I launch gmsh from the command prompt I find these two lines, always.....
> 
> libGL error: failed to open drm device: Permission denied
> libGL error: failed to load driver: i965
> 
> My system is Linux 3.13.0-77    (Ubuntu version 14.04. 4LTS)
> 
> 2) gmsh window hangs too much, when I go for generating the mesh (2D or 3D) even with simple cube of 3 nodes per line.
> 3) Sometimes, When I change the number of nodes on lines in my script and then Reload and try to mesh with 3D from GUI window of gmsh, the window CRASHES abruptly.
> 4) I see the error messages : 
> 
> gmsh: ../../src/XlibInt.c:245: _XPrivSyncFunction: Assertion `dpy->synchandler == _XPrivSyncFunction' failed.
> [h2-efd-seth:03831] *** Process received signal ***
> [h2-efd-seth:03831] Signal: Aborted (6)
> [h2-efd-seth:03831] Signal code: (-6)
> *** Error in `gmsh': double free or corruption (fasttop): 0x00007fdefc000960 ***
> Abandon (core dumped)
> 
> 
> gmsh: ../../src/xcb_io.c:529: _XAllocID: Assertion `ret != inval_id' failed.
> [h2-efd-seth:12728] *** Process received signal ***
> [h2-efd-seth:12728] Signal: Aborted (6)
> [h2-efd-seth:12728] Signal code: (-6)
> gmsh: ../../src/xcb_io.c:529: _XAllocID: Assertion `ret != inval_id' failed.
> Abandon (core dumped)
> 
> 
> Could someone help me with this, please ? 
> 
> Many Thanks,
> Regards,
> 
> 
> 
> 
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-- 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine

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