[osg-users] Please test SVN version of OpenSceneGraph

Robert Osfield robert.osfield at gmail.com
Mon Oct 1 07:06:32 PDT 2007


HI Alberto,

This suggest a problem with the StateSet in question not being tagged
as dynamic, I am quite surprised it crashes though.  Could you explain
a bit more specifically what you do and the type of model you load to
recreate the problem?

Robert.

On 10/1/07, Alberto Luaces <aluaces at udc.es> wrote:
> I have managed to crash the osgviewer application by changing the texture mode
> on and off with the 't' key and changing from time to time the threading
> model with the 'm' key. It usually crashes while in 'DrawThreadPerContext'
> mode, but not always. It is easier to reproduce this bug under release mode
> than under debug mode, sometimes is hard to trigger the crash. I wanted to
> show the crash with the cow, but I wasn't able to. I had to use a bigger
> mesh.
>
> The stack trace of the first thread shows that it _always_ happens when OSG is
> modifying the current State:
>
> #0  0x00002b69bcc58d57 in std::_Rb_tree_increment ()
> from /usr/lib/libstdc++.so.6
> #1  0x00002b69bae8c52b in osg::State::pushStateSet (this=0x73cee0,
> dstate=0x613c80) at /usr/include/c++/4.2/bits/stl_tree.h:258
> #2  0x00002b69bb48eb21 in osgUtil::StateGraph::moveStateGraph
> (state=@0x73cee0, sg_curr=<value optimized out>, sg_new=0x0)
>     at /home/alberto/OSGSVN2/trunk/include/osgUtil/StateGraph:221
> #3  0x00002b69bb48df69 in osgUtil::RenderLeaf::render (this=0xbf1d00,
> renderInfo=@0x42879d10, previous=0x0)
> at /home/alberto/OSGSVN2/trunk/src/osgUtil/RenderLeaf.cpp:69
> #4  0x00002b69bb486b2d in osgUtil::RenderBin::drawImplementation
> (this=0x617d30, renderInfo=@0x42879d10, previous=@0x42879e08)
>     at /home/alberto/OSGSVN2/trunk/src/osgUtil/RenderBin.cpp:428
> #5  0x00002b69bb492217 in osgUtil::RenderStage::drawImplementation
> (this=0x617d30, renderInfo=@0x42879d10, previous=@0x42879e08)
>     at /home/alberto/OSGSVN2/trunk/src/osgUtil/RenderStage.cpp:1051
> #6  0x00002b69bb4924d8 in osgUtil::RenderStage::drawInner (this=0x617d30,
> renderInfo=@0x42879d10, previous=@0x42879e08, doCopyTexture=@0x42879d5f)
>     at /home/alberto/OSGSVN2/trunk/src/osgUtil/RenderStage.cpp:719
> #7  0x00002b69bb491ccb in osgUtil::RenderStage::draw (this=0x617d30,
> renderInfo=@0x615bd8, previous=@0x42879e08)
> at /home/alberto/OSGSVN2/trunk/src/osgUtil/RenderStage.cpp:913
> #8  0x00002b69bb4a4124 in osgUtil::SceneView::draw (this=0x615b50)
> at /home/alberto/OSGSVN2/trunk/src/osgUtil/SceneView.cpp:1454
> #9  0x00002b69bb9a32f5 in osgViewer::Renderer::draw (this=0x614f10)
> at /home/alberto/OSGSVN2/trunk/src/osgViewer/Renderer.cpp:382
> #10 0x00002b69bae276e8 in osg::GraphicsContext::runOperations (this=0x17b9250)
> at /home/alberto/OSGSVN2/trunk/src/osg/GraphicsContext.cpp:671
> #11 0x00002b69bae5651e in osg::OperationThread::run (this=0x2aaaac080f00)
> at /home/alberto/OSGSVN2/trunk/src/osg/OperationThread.cpp:413
> #12 0x00002b69bae2e610 in osg::GraphicsThread::run (this=0x2aaaac080f00)
> at /home/alberto/OSGSVN2/trunk/src/osg/GraphicsThread.cpp:38
> #13 0x00002b69baaf9b63 in OpenThreads::ThreadPrivateActions::StartThread
> (data=<value optimized out>)
> at /home/alberto/OSGSVN2/trunk/src/OpenThreads/pthreads/PThread.c++:170
> #14 0x00002b69bbe4d317 in start_thread () from /lib/libpthread.so.0
> #15 0x00002b69bd458b1d in clone () from /lib/libc.so.6
> #16 0x0000000000000000 in ?? ()
>
> the other thread is usually doing other tasks when the crash happens:
>
> #0  0x00002b69bd3f8c86 in malloc () from /lib/libc.so.6
> #1  0x00002b69bccb123d in operator new () from /usr/lib/libstdc++.so.6
> #2  0x00002b69bae7213a in Referenced (this=0xbc09f0)
> at /home/alberto/OSGSVN2/trunk/src/osg/Referenced.cpp:119
> #3  0x00002b69bade077d in CullingSet (this=0x10, cs=@0x7ffff01ce850)
> at /home/alberto/OSGSVN2/trunk/include/osg/CullingSet:46
> #4  0x00002b69baddd169 in osg::CullStack::pushProjectionMatrix (this=0x617010,
> matrix=0xcc1b70) at /usr/include/c++/4.2/ext/new_allocator.h:107
> #5  0x00002b69bb4a2f75 in osgUtil::SceneView::cullStage (this=0x615250,
> projection=<value optimized out>, modelview=<value optimized out>,
> cullVisitor=0x616fc0,
>     rendergraph=0x616830, renderStage=0x6168d0)
> at /home/alberto/OSGSVN2/trunk/src/osgUtil/SceneView.cpp:812
> #6  0x00002b69bb4a071f in osgUtil::SceneView::cull (this=0x615250)
> at /home/alberto/OSGSVN2/trunk/src/osgUtil/SceneView.cpp:687
> #7  0x00002b69bb9a3c68 in osgViewer::Renderer::cull (this=0x614f10)
> at /home/alberto/OSGSVN2/trunk/src/osgViewer/Renderer.cpp:281
> #8  0x00002b69bb9c5f15 in osgViewer::Viewer::renderingTraversals
> (this=0x7ffff01cf150)
> at /home/alberto/OSGSVN2/trunk/src/osgViewer/Viewer.cpp:1522
> #9  0x00002b69bb9c5136 in osgViewer::Viewer::run (this=0x7ffff01cf150)
> at /home/alberto/OSGSVN2/trunk/src/osgViewer/Viewer.cpp:318
> #10 0x00000000004039a5 in main (argc=2, argv=<value optimized out>)
> at /home/alberto/OSGSVN2/trunk/applications/osgviewer/osgviewer.cpp:148
>
> Sometimes the crash for this second thread happens on
> osgUtil::SceneView::updateUniforms or OpenThreads::Barrier::block, called by
> osg::OperationThread::run, but I think it could happen anywhere.
>
> My system specs:
>
> Intel Core2 Duo
> Debian Lenny - Linux 2.6.21-2-amd64
> nVidia GeForce 7600GS (driver version number 100.14.11)
> OSG SVN revision 7528.
>
>
> El Sunday 30 September 2007 21:27:35 Robert Osfield escribió:
> > Hi All,
> >
> > I'll be making the 2.1.13 dev release tomorrow morning, so would very
> > much appreciate some testing of the SVN version on different platforms
> > before then to make sure we have a stable point to tab the release.
> >
> > I would also like to 2.2 out pretty sharp.  If possible even Thursday
> > this week. This will require a couple more dev releases this week and
> > lots of build/runtime testing.  In general I believe the recent 2.1.x
> > look pretty stable, so hopefully this isn't too much of a tall order.
> >
> > Thanks in advance for your help,
> > Robert.
>
>
> _______________________________________________
> osg-users mailing list
> osg-users at lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>



More information about the osg-users mailing list