Mauricio, could you please provide some guidance (maybe a small example) of how to ensure that the opengl context is current every time I update/render? Thank you so much.
On Tuesday, May 26, 2020 at 9:02:51 AM UTC-5, Erik Hensens wrote: > > Thank you, Mauricio! I'll consider removing or hiding nodes one at a time, > but because there are just so many I'm afraid it won't be practical. > > I don't know about the OpenGL context being current, but I will learn > about this. Thanks for the suggestion! > > On Saturday, May 23, 2020 at 1:30:34 AM UTC-5, Mauricio Franco wrote: >> >> remove or hide some nodes (setting nodemask to 0) from your scenegraph >> until you find the one causing the issue. >> >> Use a StateSetHandler to turn on or off rendering features. >> >> Make sure the opengl context is current every time you update/render the >> scene graph. >> >> Capture osg logging. >> >> Looks like it happens during the rendering of a VBO in a osg::Geometry. >> >> Sent from my iPhone >> >> On May 22, 2020, at 10:59 PM, Brett Gossage <[email protected]> wrote: >> >> >> Build in debug mode. Run it under valgrind: valgrind <your app> arg1 >> arg2 ... >> >> Go through the steps necessary to duplicate the error. >> >> You'll get a call stack output to the console with the origin of the >> error. (hopefully) >> >> Good luck. >> >> >> >> >> >> >> On Fri, May 22, 2020 at 4:53 PM Erik Hensens <[email protected]> wrote: >> >>> Hello! I am totally at a loss and I hope someone can help me. I've got a >>> Gtk application running on Ubuntu that uses osgGtk to display the scene. >>> The crash does not happen every time I do the same operation, only >>> sometimes. As you can see, the crash is in libosg. I guess that I'm doing >>> something wrong in an Osg call somewhere and the crash is just happening >>> asynchronously? Either way I have absolutely no idea how to approach fixing >>> this crash. Please help me! Here's a typical backtrace. Does anyone have >>> any ideas? Thank you all so much in advance! >>> >>> - Erik >>> >>> #0 0x00007fffd2e90eea in ?? () from >>> /usr/lib/x86_64-linux-gnu/dri/i965_dri.so >>> #1 0x00007fffd2d2f5e0 in ?? () from >>> /usr/lib/x86_64-linux-gnu/dri/i965_dri.so >>> #2 0x00007fffd2e9ddb0 in ?? () from >>> /usr/lib/x86_64-linux-gnu/dri/i965_dri.so >>> #3 0x00007ffff55af488 in >>> osg::Geometry::drawImplementation(osg::RenderInfo&) const () from >>> /usr/lib/x86_64-linux-gnu/libosg.so.100 >>> #4 0x00007ffff47d1380 in osgUtil::RenderLeaf::render(osg::RenderInfo&, >>> osgUtil::RenderLeaf*) () from /usr/lib/x86_64-linux-gnu/libosgUtil.so.100 >>> #5 0x00007ffff47cb695 in >>> osgUtil::RenderBin::drawImplementation(osg::RenderInfo&, >>> osgUtil::RenderLeaf*&) () from /usr/lib/x86_64-linux-gnu/libosgUtil.so.100 >>> #6 0x00007ffff47cb6d4 in >>> osgUtil::RenderBin::drawImplementation(osg::RenderInfo&, >>> osgUtil::RenderLeaf*&) () from /usr/lib/x86_64-linux-gnu/libosgUtil.so.100 >>> #7 0x00007ffff47d6ed7 in >>> osgUtil::RenderStage::drawImplementation(osg::RenderInfo&, >>> osgUtil::RenderLeaf*&) () from /usr/lib/x86_64-linux-gnu/libosgUtil.so.100 >>> #8 0x00007ffff47d5cd2 in >>> osgUtil::RenderStage::drawInner(osg::RenderInfo&, osgUtil::RenderLeaf*&, >>> bool&) () from /usr/lib/x86_64-linux-gnu/libosgUtil.so.100 >>> #9 0x00007ffff47d7c7f in osgUtil::RenderStage::draw(osg::RenderInfo&, >>> osgUtil::RenderLeaf*&) () from /usr/lib/x86_64-linux-gnu/libosgUtil.so.100 >>> #10 0x00007ffff47dfdb7 in osgUtil::SceneView::draw() () from >>> /usr/lib/x86_64-linux-gnu/libosgUtil.so.100 >>> #11 0x00007ffff443545f in osgViewer::Renderer::cull_draw() () from >>> /usr/lib/x86_64-linux-gnu/libosgViewer.so.100 >>> #12 0x00007ffff55cfd49 in osg::GraphicsContext::runOperations() () from >>> /usr/lib/x86_64-linux-gnu/libosg.so.100 >>> #13 0x00007ffff446c6c4 in osgViewer::ViewerBase::renderingTraversals() >>> () from /usr/lib/x86_64-linux-gnu/libosgViewer.so.100 >>> #14 0x0000000000a7c73e in >>> osgViewer::ViewerGtk::on_graphics_window_expose_event (widget=0x31134b0, >>> event=0x7fffffffdf10, data=0x456ba50) at Main3D/osgGtk/ViewerGtk.cpp:220 >>> #15 0x00007ffff78beaec in ?? () from >>> /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 >>> #16 0x00007ffff6904fa5 in g_closure_invoke () from >>> /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 >>> #17 0x00007ffff6916fc1 in ?? () from >>> /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 >>> #18 0x00007ffff691f7f9 in g_signal_emit_valist () from >>> /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 >>> #19 0x00007ffff692008f in g_signal_emit () from >>> /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 >>> #20 0x00007ffff79d693c in ?? () from >>> /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 >>> #21 0x00007ffff78bd7dd in gtk_main_do_event () from >>> /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 >>> #22 0x00007ffff7518b9f in ?? () from >>> /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 >>> #23 0x00007ffff7515671 in ?? () from >>> /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 >>> #24 0x00007ffff7515fa8 in gdk_window_process_all_updates () from >>> /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 >>> #25 0x00007ffff7842971 in ?? () from >>> /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 >>> #26 0x00007ffff74f4d57 in ?? () from >>> /usr/lib/x86_64-linux-gnu/libgdk-x11-2.0.so.0 >>> #27 0x00007ffff662e04a in g_main_context_dispatch () from >>> /lib/x86_64-linux-gnu/libglib-2.0.so.0 >>> #28 0x00007ffff662e3f0 in ?? () from >>> /lib/x86_64-linux-gnu/libglib-2.0.so.0 >>> #29 0x00007ffff662e712 in g_main_loop_run () from >>> /lib/x86_64-linux-gnu/libglib-2.0.so.0 >>> #30 0x00007ffff78bc697 in gtk_main () from >>> /usr/lib/x86_64-linux-gnu/libgtk-x11-2.0.so.0 >>> #31 0x000000000130f9a6 in main (argc=1, argv=0x7fffffffe398) at >>> Main/main.cpp:3889 >>> >>> >>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "OpenSceneGraph Users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/osg-users/eab20cdb-8864-4eca-94c6-6e74dc6601cd%40googlegroups.com >>> >>> <https://groups.google.com/d/msgid/osg-users/eab20cdb-8864-4eca-94c6-6e74dc6601cd%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "OpenSceneGraph Users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/osg-users/CADt6fWXbMz5oKeE0Z37Md8nGzPL-k642oWSmwRL07LSTg2hfYg%40mail.gmail.com >> >> <https://groups.google.com/d/msgid/osg-users/CADt6fWXbMz5oKeE0Z37Md8nGzPL-k642oWSmwRL07LSTg2hfYg%40mail.gmail.com?utm_medium=email&utm_source=footer> >> . >> >> -- You received this message because you are subscribed to the Google Groups "OpenSceneGraph Users" group. 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