Paul Melis wrote: > Robert Osfield wrote: > >> We've all been busy testing out 2.8.0-rc1 and uncovered a few more >> bugs, build problems and warnings that our now fixed - testing really >> is paying dividends ;-) >> > I noticed that two empty lines in an osgText::Text are not rendered > correctly (it only shows one empty line), see the attached test. > However, I ran this test a few times now and I get a segfault at exit a > small percentage of the time. The traceback is > > #0 0xb7888576 in glDrawBuffer () from > //usr//lib/opengl/nvidia/lib/libGL.so.1 > (gdb) bt > #0 0xb7888576 in glDrawBuffer () from > //usr//lib/opengl/nvidia/lib/libGL.so.1 > #1 0xb757e68d in osgUtil::RenderStage::drawInner (this=0x80899c0, > renderin...@0xb6518d30, previo...@0xb65190d4, docopytextu...@0xb6518d57) > at /home/melis/c/osg/svn/branches-2.8/src/osgUtil/RenderStage.cpp:830 > #2 0xb7581226 in osgUtil::RenderStage::draw (this=0x80899c0, > renderin...@0x8088664, previo...@0xb65190d4) at > /home/melis/c/osg/svn/branches-2.8/src/osgUtil/RenderStage.cpp:1108 > #3 0xb7589bd6 in osgUtil::SceneView::draw (this=0x8088608) at > /home/melis/c/osg/svn/branches-2.8/src/osgUtil/SceneView.cpp:1540 > #4 0xb7bdc248 in osgViewer::Renderer::draw (this=0x8087ec8) at > /home/melis/c/osg/svn/branches-2.8/src/osgViewer/Renderer.cpp:451 > #5 0xb7bd5998 in osgViewer::Renderer::operator() (this=0x8089ab4, > context=0x8088798) at > /home/melis/c/osg/svn/branches-2.8/src/osgViewer/Renderer.cpp:693 > #6 0xb7dd557a in osg::GraphicsContext::runOperations (this=0x8088798) > at /home/melis/c/osg/svn/branches-2.8/src/osg/GraphicsContext.cpp:688 > #7 0xb7ddbfad in osg::RunOperations::operator() (this=0x80c71e8, > context=0x8088798) at > /home/melis/c/osg/svn/branches-2.8/src/osg/GraphicsThread.cpp:134 > #8 0xb7ddc0a5 in osg::GraphicsOperation::operator() (this=0x80c71e8, > object=0x8088798) at > /home/melis/c/osg/svn/branches-2.8/src/osg/GraphicsThread.cpp:50 > #9 0xb7e24c59 in osg::OperationThread::run (this=0x80c6fc8) at > /home/melis/c/osg/svn/branches-2.8/src/osg/OperationThread.cpp:413 > #10 0xb7ddc117 in osg::GraphicsThread::run (this=0x80c6fc8) at > /home/melis/c/osg/svn/branches-2.8/src/osg/GraphicsThread.cpp:38 > #11 0xb792e1bd in OpenThreads::ThreadPrivateActions::StartThread > (data=0x80c6fd4) at > /home/melis/c/osg/svn/branches-2.8/src/OpenThreads/pthreads/PThread.c++:170 > #12 0xb791818b in start_thread () from /lib/libpthread.so.0 > #13 0xb79f409e in clone () from /lib/libc.so.6 > > I'm not modifying the text in the viewer loop, it's all set up before > the viewer is even constructed. I'm not using ref_ptr<> because > everything is constructed in main(), is that the problem here? > Okay, I added ref_ptr<>'s and now indeed the crash doesn't seem to occur anymore. However, the empty line bug remains. The behaviour described isn't some sort of feature is it?
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