cat /var/log/Xorg.*.log | grep -i driver
[    13.855] 	X.Org Video Driver: 10.0
[    13.855] 	X.Org XInput driver : 12.3
[    13.927] (==) Matched intel as autoconfigured driver 0
[    13.927] (==) Matched vesa as autoconfigured driver 1
[    13.927] (==) Matched fbdev as autoconfigured driver 2
[    13.927] (==) Assigned the driver to the xf86ConfigLayout
[    13.957] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[    13.958] 	Module class: X.Org Video Driver
[    13.958] 	ABI class: X.Org Video Driver, version 10.0
[    13.959] (II) Loading /usr/lib/xorg/modules/drivers/vesa_drv.so
[    13.960] 	Module class: X.Org Video Driver
[    13.960] 	ABI class: X.Org Video Driver, version 10.0
[    13.961] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[    13.961] 	ABI class: X.Org Video Driver, version 10.0
[    13.961] (II) intel: Driver for Intel Integrated Graphics Chipsets: i810,
[    13.963] (II) VESA: driver for VESA chipsets: vesa
[    13.963] (II) FBDEV: driver for framebuffer: fbdev
[    13.969] (II) Loading /usr/lib/xorg/modules/drivers/intel_drv.so
[    13.971] 	ABI class: X.Org Video Driver, version 10.0
[    14.134] (II) intel(0): [DRI2]   DRI driver: i915
[    14.134] (II) UXA(0): Driver registered support for the following operations:
[    14.223] (II) AIGLX: Trying DRI driver /usr/lib/i386-linux-gnu/dri/i915_dri.so
[    14.333] 	Module class: X.Org XInput Driver
[    14.333] 	ABI class: X.Org XInput driver, version 12.3
[    14.333] (II) Using input driver 'evdev' for 'Power Button'
[    14.354] (II) Using input driver 'evdev' for 'Power Button'
[    14.360] (II) No input driver/identifier specified (ignoring)
[    14.366] (II) Using input driver 'evdev' for 'Microsft Microsoft Wireless Desktop Receiver 3.1'
[    14.369] (II) Using input driver 'evdev' for 'Microsft Microsoft Wireless Desktop Receiver 3.1'
[    14.372] (II) No input driver/identifier specified (ignoring)