malte@malte-Latitude-E6400:~$ egrep -i 'ww|ee' /var/log/Xorg.0.log
[    49.351] xorg-server 2:1.19.5-0ubuntu2~16.04.1 (For technical support please see http://www.ubuntu.com/support) 
	(WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[    49.367] (==) No Layout section.  Using the first Screen section.
[    49.367] (==) No screen section available. Using defaults.
[    49.367] (**) |-->Screen "Default Screen Section" (0)
[    49.390] (==) No monitor specified for screen "Default Screen Section".
[    49.390] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[    49.390] (WW) The directory "/usr/share/fonts/X11/100dpi/" does not exist.
[    49.390] (WW) The directory "/usr/share/fonts/X11/75dpi/" does not exist.
[    49.390] (WW) The directory "/usr/share/fonts/X11/100dpi" does not exist.
[    49.390] (WW) The directory "/usr/share/fonts/X11/75dpi" does not exist.
[    49.395] (II) systemd-logind: logind integration requires -keeptty and -keeptty was not provided, disabling logind integration
[    49.396] (II) xfree86: Adding drm device (/dev/dri/card0)
[    49.662] (WW) Falling back to old probe method for fbdev
[    49.662] (WW) Falling back to old probe method for vesa
[    49.662] (II) modeset(0): Creating default Display subsection in Screen section
	"Default Screen Section" for depth/fbbpp 24/32
[    50.932] (II) modeset(0): Year: 2009  Week: 0
[    50.932] (II) modeset(0): redX: 0.574 redY: 0.349   greenX: 0.335 greenY: 0.542
[    51.729] (II) GLX: Initialized DRI2 GL provider for screen 0
[    51.748] (II) modeset(0): Setting screen physical size to 338 x 211
[    51.916] (II) This device may have been added with another device file.
[    51.917] (II) config/udev: Adding input device Sleep Button (/dev/input/event2)
[    51.917] (**) Sleep Button: Applying InputClass "evdev keyboard catchall"
[    51.917] (II) Using input driver 'evdev' for 'Sleep Button'
[    51.917] (**) Sleep Button: always reports core events
[    51.917] (**) evdev: Sleep Button: Device: "/dev/input/event2"
[    51.917] (--) evdev: Sleep Button: Vendor 0 Product 0x3
[    51.917] (--) evdev: Sleep Button: Found keys
[    51.917] (II) evdev: Sleep Button: Configuring as keyboard
[    51.917] (II) XINPUT: Adding extended input device "Sleep Button" (type: KEYBOARD, id 8)
[    51.919] (II) This device may have been added with another device file.
[    51.919] (II) This device may have been added with another device file.
[    51.920] (II) This device may have been added with another device file.
[    51.920] (II) This device may have been added with another device file.
[    51.920] (II) This device may have been added with another device file.
[    51.984] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) MinSpeed is now constant deceleration 2.5
[    51.984] (**) synaptics: AlpsPS/2 ALPS DualPoint TouchPad: (accel) MaxSpeed is now 1.75
[    51.984] (**) AlpsPS/2 ALPS DualPoint TouchPad: (accel) keeping acceleration scheme 1
[    51.985] (**) Option "EmulateWheel" "true"
[    51.985] (**) Option "EmulateWheelButton" "2"
[    51.985] (**) evdev: AlpsPS/2 ALPS DualPoint Stick: EmulateWheelButton: 2, EmulateWheelInertia: 10, EmulateWheelTimeout: 200
[    51.985] (**) AlpsPS/2 ALPS DualPoint Stick: (accel) keeping acceleration scheme 1
[    51.986] (II) This device may have been added with another device file.
malte@malte-Latitude-E6400:~$