Public bug reported: The DRI modules are located in /usr/lib/dri but the libraries continues to look in /usr/X11R6/lib/modules/dri:
$ LIBGL_DEBUG=verbose glxinfo name of display: :0.0 libGL: XF86DRIGetClientDriverName: 1.6.4 i915 (screen 0) libGL: OpenDriver: trying /usr/X11R6/lib/modules/dri/i915_dri.so libGL error: dlopen /usr/X11R6/lib/modules/dri/i915_dri.so failed (/usr/X11R6/lib/modules/dri/i915_dri.so: cannot open shared object file: No such file or directory) Setting a symlink from /usr/X11R6/lib/modules/dri to /usr/lib/dri means that the DRI modules are loaded and I get 3D acceleration. ** Affects: mesa (Ubuntu) Importance: Untriaged Status: Unconfirmed -- DRI_DRIVER_PATH is wrong https://launchpad.net/bugs/57076 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs