https://bugs.freedesktop.org/show_bug.cgi?id=62434
--- Comment #2 from LoneVVolf lonewolf@xs4all.nl --- X can't initialize the driver and falls back to software rastering.
excerpt from Xorg.0.log :
[ 12609.742] (EE) AIGLX error: dlopen of /usr/lib/xorg/modules/dri/r600_dri.so failed (/usr/lib/libllvmradeon9.2.0.so: undefined symbol: lp_build_tgsi_intrinsic) [ 12609.742] (EE) AIGLX: reverting to software rendering [ 12609.742] (II) AIGLX: Screen 0 is not DRI capable [ 12609.746] (II) AIGLX: Loaded and initialized swrast
additional info :
OS : Archlinux x86_64 kernel 3.8.3 , https://www.archlinux.org/packages/testing/x86_64/linux/ xf86-video-ati 7.1.0, https://www.archlinux.org/packages/testing/x86_64/xf86-video-ati/
I'll attach the build output and complete Xorg.0.log