Primus has been detected and will be used. Launch with 'use_primus=0 ./hl2-optirun.sh' to disable. Try disabling if you experience stuttering, graphical/font glitches, or other issues. ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. ATTENTION: default value of option vblank_mode overridden by environment. SDL video target is 'x11' SDL video target is 'x11' SDL failed to create GL compatibility profile (whichProfile=0! This system supports the OpenGL extension GL_EXT_framebuffer_object. This system supports the OpenGL extension GL_EXT_framebuffer_blit. This system supports the OpenGL extension GL_EXT_framebuffer_multisample. This system DOES NOT support the OpenGL extension GL_APPLE_fence. This system supports the OpenGL extension GL_NV_fence. This system DOES NOT support the OpenGL extension GL_ARB_sync. This system DOES NOT support the OpenGL extension GL_EXT_draw_buffers2. Could not find required OpenGL entry point 'glColorMaskIndexedEXT'! Either your video card is unsupported, or your OpenGL driver needs to be updated.

ERROR: ld.so: object 'libdlfaker.so' from LD_PRELOAD cannot be preloaded: ignored. ERROR: ld.so: object 'librrfaker.so' from LD_PRELOAD cannot be preloaded: ignored. Xlib: extension "NV-GLX" missing on display ":0". X Error of failed request: BadAlloc (insufficient resources for operation) Major opcode of failed request: 154 (GLX) Minor opcode of failed request: 3 (X_GLXCreateContext) Serial number of failed request: 54 Current serial number in output stream: 55