[osg-users] osgdem segmentation fault

benben benhongh at gmail.com
Thu Sep 18 06:38:08 PDT 2008


J.P. Delport wrote:
> Hi,
> 
> I've had some problems on Debian Lenny with gcc 4.3 and optimisations. I 
> faintly remember an unexplained osgdem segfault as well. I'm not sure 
> what version of gcc you have installed, but try with another version or 
> other optim settings.

The GCC version on my machine is 4.2.3. I am not quite familiar with 
CMake. Could you elaborate what settings have you changed?

I used the whatever the default settings that came in the download.

Ben

> 
> jp
> 
> benben wrote:
>> Robert Osfield wrote:
>>> Hi Ben,
>>>
>>> I'm afraid there is waaaay too little info about your setup to provide
>>> any real guidance.  VPB should just compile against an installed OSG
>>> without need for configuration.
>>>
>>> You don't mention which VPB or OSG version your are using, you also
>>> make no mention of the platform or compilers.  All this is important
>>> to understanding what might go wrong and how to fix it.
>>
>> Sorry for the lack of information. The OSG version is 2.2 and the VPB 
>> version is 0.9.1. I am running a Ubuntu Linux 8.04 64bit on an Intel 
>> platform, if this is also relevant.
>>
>> The osg installation is straight from the Ubuntu package repository 
>> (binary install, as opposed to local rebuild).
>>
>> For building the VPB I added an extra line to the CMakeLists.txt
>>
>>     SET(GDAL_INCLUDE_DIR /usr/include/gdal)
>>
>> so osgdem can be compiled.
>>
>> I followed the standard
>>
>>    ./configure
>>    make
>>    sudo make install
>>
>> Everything seemed to be ok. For some reason my OS does not put 64bit 
>> libraries in /usr/local/lib64, where the VPB libraries are, so I
>>
>>    export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/lib64
>>
>> This stops the "cannot find shared object" error from the loader.
>>
>> And on executing
>>
>>    osgdem
>>
>> with no arguments, it simply quits with a segmentation fault error.
>>
>> I also followed the VPB tutorial at
>>
>> http://www.openscenegraph.org/projects/VirtualPlanetBuilder
>>
>> and despite the extra argument inputs I have the same error. So I 
>> reckon I must have configured VPB wrong somehow.
>>
>> Is there anything I overlooked?
>>
>> Regards
>> Ben
>>
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>>
> 




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