thresh@snowflake ~ $ LIBGL_DEBUG=verbose glxgears
libGL: XF86DRIGetClientDriverName: 1.7.2 i915 (screen 0)
libGL: OpenDriver: trying /usr/lib/X11/modules/dri/tls/i915_dri.so
libGL: OpenDriver: trying /usr/lib/X11/modules/dri/i915_dri.so
drmOpenByBusid: Searching for BusID pci:0000:00:02.0
drmOpenDevice: node name is /dev/dri/card0
drmOpenDevice: open result is 4, (OK)
drmOpenByBusid: drmOpenMinor returns 4
drmOpenByBusid: drmGetBusid reports pci:0000:00:02.0
libGL error:
Can't open configuration file /etc/drirc: No such file or directory.
3720 frames in 5.0 seconds = 743.986 FPS