The crash was from another missing extension (GL_ARB_imaging) caused by glBlendEquation.
#0 0x00000000 in ?? ()
#1 0x0854646a in Shared::Graphics::Gl::ParticleRendererGl::setBlendEquation (
equation=...)
at /home/user/Workspace/glestae/source/shared_lib/include/graphics/gl/particle_renderer_gl.h:65
#2 0x08545c36 in Shared::Graphics::Gl::ParticleRendererGl::renderSystemLine (
this=0x8a42218, ps=0x9160428)
at /home/user/Workspace/glestae/source/shared_lib/sources/graphics/gl/particle_renderer_gl.cpp:175
#3 0x085223eb in Shared::Graphics::RainParticleSystem::render (
this=0x9160428, pr=0x8a42218, mr=0x8a40e00)
at /home/user/Workspace/glestae/source/shared_lib/sources/graphics/particle.cpp:297
#4 0x085227af in Shared::Graphics::ParticleManager::render (this=0x8747618,
pr=0x8a42218, mr=0x8a40e00)
at /home/user/Workspace/glestae/source/shared_lib/sources/graphics/particle.cpp:348
#5 0x0854559a in Shared::Graphics::Gl::ParticleRendererGl::renderManager (
this=0x8a42218, pm=0x8747618, mr=0x8a40e00)
at /home/user/Workspace/glestae/source/shared_lib/sources/graphics/gl/particle_renderer_gl.cpp:93
#6 0x08384f7e in Glest::Graphics::Renderer::renderParticleManager (
this=0x86a60a0, rs=...)