[Optimus] problem with official support

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https://bbs.archlinux.org – Ok, looking closer at the info, X is NOT using the nouveau drivers. What happens is that X doesn't find what the necessary stuff for hardware acceleration, so falls back to software (llvm-pipe in this case)  .[ 28.558] (II) NVIDIA dlloader X Driver 319.23 Thu May 16 19:02:20 PDT 2013 [ 28.558] (II) NVIDIA Unified Driver for all Supported NVIDIA GPUsX is trying to use the latest nvidia drivers.[ 28.561] (EE) NVIDIA(0): Failed to initialize the GLX module; please check in your X [ 28.561] (EE) NVIDIA(0): log file that the GLX module has been loaded in your X [ 28.5 (HowTos)