I am seeing the same thing on my laptop (osx) and desktop (ubuntu). My
desktop build is from fresh source checkout. I too was hoping it would
be a transient problem that would be fixed somewhere by now.

On 7/19/07, Curtis Olson <[EMAIL PROTECTED]> wrote:
> For about 2 weeks now I'm getting a FlightGear crash deep in the OSG
> internals on my laptop.  I was hoping it would be a transient issue in OSG
> and clear itself up, but so far that is not the case.  The same code and
> versions of everything run just fine on my desktop.  I've got the most
> current OSG, SimGear, and FlightGear updated from CVS/SVN head.  I've done
> make clean's just in case some garbage developed in my build tree.  I've
> tried to do all those things I would suggest to others if they have some odd
> thing going on that other people don't seem to be seeing.
>
> My laptop is a bit older dell latitude with 32Mb Nvidia card.  I am running
> Linux (Fedora Core 6) with the proprietary nvidia drivers.  Nvidia driver
> version is 1.0.9631 ... this is the most current version that supports my
> graphics hardware.  The OSG version ran great until a few weeks ago.  The
> plib version continues to run just fine on my laptop as it always has.
>
> FlightGear starts up, shows a splash screen gets as far as showing
> "initializing subsystems".  When I run with --log-level-debug, I see that it
> finishes loading the keyboard  bindings.  Then on the console it prints
> "Splash screen progress setting up time & renderer" although this is never
> drawn.  Immediately after that it crashes trying to call sceneView->draw();
>
> Here is the back trace:
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1208727824 (LWP 17599)]
> 0x0075cc4a in osg::GraphicsContext::releaseContext ()
>    from /usr/local/lib/libosg.so.12
> (gdb) where
> #0  0x0075cc4a in osg::GraphicsContext::releaseContext ()
>    from /usr/local/lib/libosg.so.12
> #1  0x001e1dcf in osgUtil::RenderStage::draw ()
>    from /usr/local/lib/libosgUtil.so.12
> #2  0x001dd5ae in osgUtil::RenderStage::drawPreRenderStages
> ()
>    from /usr/local/lib/libosgUtil.so.12
> #3  0x001e95a4 in osgUtil::SceneView::draw ()
>    from /usr/local/lib/libosgUtil.so.12
> #4  0x08063c8c in FGRenderer::update (refresh_camera_settings=true)
>     at renderer.cxx :577
> #5  0x08061c6c in FGRenderer::update () at renderer.hxx:41
> #6  0x080a6c41 in fgOSMainLoop () at fg_os_sdl.cxx:249
> #7  0x0805d027 in fgMainInit (argc=2, argv=0xbfdb2294) at main.cxx:1071
> #8  0x0805c1aa in main (argc=2, argv=0xbfdb2294) at bootstrap.cxx:220
>
> This is gdb, so I'm not confident that it has the osg function calls
> correctly identified.
>
> Does any one have any suggestions or ideas?  It is a problem for me if I
> cannot run FlightGear on my laptop here. :-(
>
> Curt.
> --
> Curtis Olson - University of Minnesota - FlightGear Project
> http://baron.flightgear.org/~curt/
> http://www.humanfirst.umn.edu/   http://www.flightgear.org
> Unique text: 2f585eeea02e2c79d7b1d8c4963bae2d
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>


-- 
Hans Fugal
Fugal Computing

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