backtrace for shader error

shader_backtrace

#1  0x00007ffff608fbab in abort () from /lib/x86_64-linux-gnu/libc.so.6
#2  0x00007ffff66e069d in __gnu_cxx::__verbose_terminate_handler() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#3  0x00007ffff66de846 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#4  0x00007ffff66de873 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#5  0x00007ffff66de96e in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#6  0x00007fffae493b00 in ?? () from /usr/lib/x86_64-linux-gnu/OGRE-1.7.4/RenderSystem_GL.so
#7  0x00007fffae49dead in Ogre::GLSLProgram::compile(bool) ()
   from /usr/lib/x86_64-linux-gnu/OGRE-1.7.4/RenderSystem_GL.so
#8  0x00007fffae49e30c in Ogre::GLSLProgram::loadFromSource() ()
   from /usr/lib/x86_64-linux-gnu/OGRE-1.7.4/RenderSystem_GL.so
#9  0x00007ffff283cb29 in Ogre::HighLevelGpuProgram::loadHighLevelImpl() ()
   from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#10 0x00007fffae49edbd in Ogre::GLSLProgram::attachChildShader(std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/OGRE-1.7.4/RenderSystem_GL.so
#11 0x00007fffae49ef62 in Ogre::GLSLProgram::CmdAttach::doSet(void*, std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/OGRE-1.7.4/RenderSystem_GL.so
#12 0x00007ffff29f419d in Ogre::StringInterface::setParameter(std::string const&, std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#13 0x00007ffff29a654e in Ogre::GpuProgramTranslator::translateHighLevelGpuProgram(Ogre::ScriptCompiler*, Ogre::ObjectAbstractNode*) () from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#14 0x00007ffff29a7465 in Ogre::GpuProgramTranslator::translate(Ogre::ScriptCompiler*, Ogre::SharedPtr<Ogre::AbstractNode> const&) () from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#15 0x00007ffff298fea7 in Ogre::ScriptCompiler::compile(Ogre::SharedPtr<std::list<Ogre::SharedPtr<Ogre::ConcreteNode>, Ogre::STLAllocator<Ogre::SharedPtr<Ogre::ConcreteNode>, Ogre::CategorisedAllocPolicy<(Ogre::MemoryCategory)0> > > > const&, std::string const&) () from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#16 0x00007ffff2990000 in Ogre::ScriptCompiler::compile(std::string const&, std::string const&, std::string const&) ()
   from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#17 0x00007ffff29964ed in Ogre::ScriptCompilerManager::parseScript(Ogre::SharedPtr<Ogre::DataStream>&, std::string const&) () from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#18 0x00007ffff2941107 in Ogre::ResourceGroupManager::parseResourceGroupScripts(Ogre::ResourceGroupManager::ResourceGroup*) () from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#19 0x00007ffff29416ef in Ogre::ResourceGroupManager::initialiseAllResourceGroups() ()
   from /usr/lib/x86_64-linux-gnu/libOgreMain.so.1.7.4
#20 0x00007ffff7a82a6d in rviz::RenderSystem::RenderSystem (this=0x9e1300)
    at /home/jbinney/ws/people_tracking/src/rviz/src/rviz/ogre_helpers/render_system.cpp:83
#21 0x00007ffff7a82837 in rviz::RenderSystem::get ()
    at /home/jbinney/ws/people_tracking/src/rviz/src/rviz/ogre_helpers/render_system.cpp:65
#22 0x00007ffff7a81d86 in rviz::QtOgreRenderWindow::QtOgreRenderWindow (this=0xa338d0, parent=0x877140)
    at /home/jbinney/ws/people_tracking/src/rviz/src/rviz/ogre_helpers/qt_ogre_render_window.cpp:30