<html><body><div style="font-family: arial, helvetica, sans-serif; font-size: 12pt; color: #000000"><div>Hello,<br></div><div><br data-mce-bogus="1"></div><div>I am a new user to GMSH. <br data-mce-bogus="1"></div><div>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/).</div><div>When I checked the About Gmsh option in Help menu, I found it says <span data-mce-style="color: #ff0000;" style="color: rgb(255, 0, 0);">Version 2.8.3</span>. The file I downloaded from the website is named "<span data-mce-style="color: #ff0000;" style="color: rgb(255, 0, 0);">gmsh-2.13.2-Linux64.tgz</span>". <br data-mce-bogus="1"></div><div>Because of this I am not sure if I am using the latest version 2.13.2 .<br></div><div><br data-mce-bogus="1"></div><div><span data-mce-style="color: #ff0000;" style="color: rgb(255, 0, 0);">The problems I face</span> :<br></div><div><br data-mce-bogus="1"></div><div>1.) As soon as I launch gmsh from the command prompt I find these two lines, always.....<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>libGL error: failed to open drm device: Permission denied<br>libGL error: failed to load driver: i965<br></div><div><br data-mce-bogus="1"></div><div>My system is Linux 3.13.0-77 (Ubuntu version 14.04. 4LTS)<br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div>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.</div><div>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.</div><div> 4) I see the error messages : <br data-mce-bogus="1"></div><div><br data-mce-bogus="1"></div><div><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">gmsh: ../../src/XlibInt.c:245: _XPrivSyncFunction: Assertion `dpy->synchandler == _XPrivSyncFunction' failed.</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">[h2-efd-seth:03831] *** Process received signal ***</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">[h2-efd-seth:03831] Signal: Aborted (6)</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">[h2-efd-seth:03831] Signal code: (-6)</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">*** Error in `gmsh': double free or corruption (fasttop): 0x00007fdefc000960 ***</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">Abandon (core dumped)</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;"><br></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;"><br></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">gmsh: ../../src/xcb_io.c:529: _XAllocID: Assertion `ret != inval_id' failed.</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">[h2-efd-seth:12728] *** Process received signal ***</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">[h2-efd-seth:12728] Signal: Aborted (6)</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">[h2-efd-seth:12728] Signal code: (-6)</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">gmsh: ../../src/xcb_io.c:529: _XAllocID: Assertion `ret != inval_id' failed.</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">Abandon (core dumped)</p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;"><br></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;"><br></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">Could someone help me with this, please ? <br data-mce-bogus="1"></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;"><br data-mce-bogus="1"></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">Many Thanks,<br data-mce-bogus="1"></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;">Regards,<br data-mce-bogus="1"></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;"><br data-mce-bogus="1"></p><p style="margin: 0px; line-height: 100%;" data-mce-style="margin: 0px; line-height: 100%;"><br data-mce-bogus="1"></p></div><div><br></div><div><br></div></div></body></html>