I tried sudo ./pslaunch in terminal and got the following errors:
ATTENTION: default value of option force_s3tc_enable overridden by environment.
Creating Context
No updates needed!
Checking for updates to all files: No updates needed!
Video driver GL/X version (direct renderer)
Visual ID: 0x00000025, 24bit TrueColor
R8:G8:B8:A8,
level 0, double buffered
WARNING: could not load plugin 'crystalspace.syntax.loader.service.text'
ERROR: Couldn't load plugin with class 'crystalspace.syntax.loader.service.text'!
NOTIFY: Applied: Intel DRI: Disable texture compression
NOTIFY: Applied: Intel DRI: Disable ARB_fragment_program
NOTIFY: OpenGL renderer: Mesa DRI Intel(R) 965GM 4.1.3002 x86/MMX/SSE2 (vendor: Tungsten Graphics, Inc) version 1.4 Mesa 7.0.3-rc2
NOTIFY: Using windowed mode at resolution 1024x768.
NOTIFY: Pixel format: Color: 24 Alpha: 8 Depth: 24 Stencil: 8 AccumColor: 0 AccumAlpha: 0 MultiSamples: 0
NOTIFY: Multisample: disabled
NOTIFY: Using VBO with 64 MB of VBO memory
WARNING: No shader plugins found!
WARNING: could not load plugin 'crystalspace.level.loader'
ERROR: Couldn't load plugin with class 'crystalspace.level.loader'!
WARNING: Can not load default shader vars, no iLoader available
Mounting skin: /planeshift/art/pslaunch.zip
Texture Manager parsing /paws/launcher/imagelist.xml
Segmentation fault