$ celstart shadertest.celzip
Start realpath='shadertest.celzip' path='/tmp/celstart' configname='/tmp/celstart/celstart.cfg'
PYTHONPATH: /usr/lib/portage/pym:shadertest.celzip
WARNING: could not load plugin 'crystalspace.window.x.extf86vm'
DEBUG: Sound System Software Renderer Initializing...
libGL warning: 3D driver claims to not support visual 0x4b

crystalspace.canvas.openglcommon:
  Could not open driver database file '/config/gldrivers.xml'
*********************************WARN_ONCE*********************************
File radeon_mm.c function radeon_mm_alloc line 216
Ran out of GART memory (for 8388608)!
Please consider adjusting GARTSize option.
***************************************************************************

crystalspace.engine.warning:
  Shader /shader/std_lighting.xml not available
  Shader /shader/std_lighting_portal.xml not available

crystalspace.maploader.parse.image:
  Could not open image file '/lib/std/spark.png' on VFS!

crystalspace.maploader.parse.texture:
  Could not load texture 'spark', using checkerboard instead
  [node: world,textures,texture(name=spark)]

crystalspace.maploader:
  Unable to open shader file '/shader/std_lighting.xml'!
  Unable to open shader file '/shader/ambient.xml'!
  Unable to open shader file '/shader/parallaxAtt/parallaxAtt.xml'!
  Unable to open shader file '/shader/specular/light_spec_bumpmap.xml'!
  Unable to open shader file '/shader/light.xml'!
crystalspace.maploader.parse.loadingfile:  Error opening file '/shader/std_rloop_diffuse.xml'!
crystalspace.maploader.parse.loadingfile:  [node: world,addon,paramsfile]

crystalspace.maploader:
  Unable to open shader file '/shader/std_lighting.xml'!
  Unable to open shader file '/shader/ambient.xml'!
  Unable to open shader file '/shader/parallaxAtt/parallaxAtt.xml'!
  Unable to open shader file '/shader/specular/light_spec_bumpmap.xml'!
  Unable to open shader file '/shader/light.xml'!
crystalspace.maploader.parse.loadingfile:  Error opening file '/shader/std_rloop_diffuse.xml'!
crystalspace.maploader.parse.loadingfile:  [node: world,addon,paramsfile]