$ grep -i dri /var/log/Xorg.0.log |grep -vE "driver|drmOpenDevice" X.Org Video Driver: 0.8 ABI class: X.Org Video Driver, version 0.8 ABI class: X.Org Video Driver, version 0.8 ABI class: X.Org Video Driver, version 0.8(II) LoadModule: "dri"(II) Loading /usr/lib/xorg/modules/extensions/libdri.so(II) Module dri: vendor="X.Org Foundation"(II) Loading extension XFree86-DRI ABI class: X.Org Video Driver, version 0.8 ABI class: X.Org Video Driver, version 0.8 Module class: X.Org Video Driver ABI class: X.Org Video Driver, version 0.7 Module class: X.Org XInput Driver Module class: X.Org XInput Driver Module class: X.Org XInput Driver(II) ATI Proprietary Linux Driver Version Identifier:8.25.18(II) ATI Proprietary Linux Driver Release Identifier: LGDr8.25g1(II) ATI Proprietary Linux Driver Build Date: May 18 2006 09:54:44 ABI class: X.Org Video Driver, version 0.8 ABI class: X.Org Video Driver, version 0.8 ABI class: X.Org Video Driver, version 0.8(==) fglrx(0): NoDRI = NO(==) fglrx(0): OpenGL ClientDriverName: "fglrx_dri.so"(II) Loading extension ATIFGLRXDRI(II) fglrx(0): doing DRIScreenInit(II) fglrx(0): DRIScreenInit done(II) fglrx(0): DRI initialization successfull!(II) fglrx(0): [DRI] installation complete