After consulting IRC, the wiki and several reinstalls, I'm getting this crashlog:
Unvanquished 0.36.0 Linux x86_64 Feb 2 2015
+set fs_libpath /usr/lib/games/unvanquished +set fs_basepath /var/games/unvanquished
Home path: /home/andrew/.unvanquished
Pak path: /var/games/unvanquished/pkg
Pak path: /home/andrew/.unvanquished/pkg
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.36.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.35.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.34.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.33.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.32.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.31.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.30.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.29.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.28.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.27.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.26.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.25.0.pk3'...
Loaded 9 languages
execing 'default.cfg'
execing 'autogen.cfg'
Set language to English
Couldn't read conhistory.
----- Client Initialization -----
----- Client Initialization Complete -----
Calling GetRefAPI…
SDL_Init( SDL_INIT_VIDEO )...
Using SDL Version 1.2.15
SDL using driver "x11"
Initializing OpenGL display
Display aspect: 1.779
...setting mode -2:
The change will take effect after restart.
The change will take effect after restart.
1366 768
Using 24 Color bits, 24 depth, 8 stencil display.
Using GLEW 1.7.0
Using enhanced (GL3) Renderer in GL 2.x mode...
Available modes: '1366x768 1360x768 640x480 800x600 1024x768 '
GL_RENDERER: Mesa DRI Intel(R) Sandybridge Mobile
Detected graphics driver class 'Mesa'
Detected graphics hardware class 'generic'
Initializing OpenGL extensions
...GL_ARB_debug_output not found
...using GL_ARB_fragment_shader
...using GL_ARB_vertex_shader
...using GL_ARB_shading_language_100
...found shading language version 130
...using GL_ARB_depth_texture
...using GL_ARB_texture_cube_map
...using GL_ARB_half_float_pixel
...using GL_ARB_texture_float
...using GL_ARB_texture_rg
...ignoring GL_ARB_texture_compression
...ignoring GL_EXT_texture_compression_s3tc
...using GL_ARB_texture_non_power_of_two
...using GL_SGIS_generate_mipmap
...using GL_EXT_texture_filter_anisotropic
...using GL_ARB_vertex_buffer_object
...using GL_ARB_half_float_vertex
...using GL_EXT_framebuffer_object
...using GL_EXT_framebuffer_blit
...using GL_ARB_shader_objects
...using GL_ARB_occlusion_query
...using GL_ARB_draw_buffers
...GL_GREMEDY_string_marker not found
...GL_ARB_get_program_binary not found
...GL_ARB_buffer_storage not found
...using GL_ARB_map_buffer_range
...using GL_ARB_sync
link log:
VS compile failed: No register spilling support yet
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.36.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.35.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.34.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.33.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.32.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.31.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.30.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.29.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.28.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.27.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.26.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.25.0.pk3'...
8Shaders failed to link!!!
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.36.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.35.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.34.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.33.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.32.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.31.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.30.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.29.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.28.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.27.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.26.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.25.0.pk3'...
Calling GetRefAPI…
GL_VENDOR: Tungsten Graphics, Inc
GL_RENDERER: Mesa DRI Intel(R) Sandybridge Mobile
GL_VERSION: 3.0 Mesa 8.0.5
GL_SHADING_LANGUAGE_VERSION: 1.30
GL_MAX_VERTEX_UNIFORM_COMPONENTS 16384
Using GPU vertex skinning with max 256 bones in a single pass
INFO: Loaded font face Roboto Bold (from fonts/Roboto-Bold.ttf).
INFO: Loaded font face Roboto Bold Italic (from fonts/Roboto-BoldItalic.ttf).
INFO: Loaded font face Roboto Italic (from fonts/Roboto-Italic.ttf).
INFO: Loaded font face Roboto Regular (from fonts/Roboto-Regular.ttf).
INFO: Loaded font face FontAwesome Regular (from fonts/fontawesome-webfont.ttf).
INFO: Loaded font face DejaVu Sans Condensed (from fonts/DejaVuSansCondensed.ttf).
Error during initialization
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.36.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.35.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.34.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.33.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.32.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.31.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.30.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.29.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.28.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.27.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.26.0.pk3'...
Loading pak '/var/games/unvanquished/pkg/unvanquished_0.25.0.pk3'...
Error during initialization
Any ideas?