Comment 20 for bug 1523738

Alienware 13 R2. Same Bug. Since 15.10 touchpad is gone.

~$ xinput
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ Logitech Gaming Mouse G402 id=10 [slave pointer (2)]
⎜ ↳ Logitech Gaming Mouse G402 id=11 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=14 [slave pointer (2)]
⎣ Virtual core keyboard id=3 [master keyboard (2)]
    ↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
    ↳ Power Button id=6 [slave keyboard (3)]
    ↳ Video Bus id=7 [slave keyboard (3)]
    ↳ Video Bus id=8 [slave keyboard (3)]
    ↳ Power Button id=9 [slave keyboard (3)]
    ↳ Integrated_Webcam_HD id=12 [slave keyboard (3)]
    ↳ AT Translated Set 2 keyboard id=13 [slave keyboard (3)]
    ↳ Dell WMI hotkeys id=15 [slave keyboard (3)]

dmesg | grep SynPS
[ 1.951842] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input6

cat /var/log/Xorg.0.log | grep SynPS
[ 14.435] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/event6)
[ 14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "evdev touchpad catchall"
[ 14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
[ 14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"
[ 14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "touchpad catchall"
[ 14.435] (**) SynPS/2 Synaptics TouchPad: Applying InputClass "Default clickpad buttons"
[ 14.435] (II) Using input driver 'synaptics' for 'SynPS/2 Synaptics TouchPad'
[ 14.435] (**) SynPS/2 Synaptics TouchPad: always reports core events
[ 14.488] (II) synaptics: SynPS/2 Synaptics TouchPad: found clickpad property
[ 14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: x-axis range 1282 - 5656 (res 0)
[ 14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: y-axis range 1160 - 4692 (res 0)
[ 14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: pressure range 0 - 255
[ 14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: finger width range 0 - 15
[ 14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: buttons: left double triple
[ 14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: Vendor 0x2 Product 0x7
[ 14.488] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
[ 14.488] (**) SynPS/2 Synaptics TouchPad: always reports core events
[ 14.528] (II) XINPUT: Adding extended input device "SynPS/2 Synaptics TouchPad" (type: TOUCHPAD, id 14)
[ 14.528] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MinSpeed is now constant deceleration 2.5
[ 14.528] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) MaxSpeed is now 1.75
[ 14.528] (**) synaptics: SynPS/2 Synaptics TouchPad: (accel) AccelFactor is now 0.036
[ 14.528] (**) SynPS/2 Synaptics TouchPad: (accel) keeping acceleration scheme 1
[ 14.528] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration profile 1
[ 14.528] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration factor: 2.000
[ 14.528] (**) SynPS/2 Synaptics TouchPad: (accel) acceleration threshold: 4
[ 14.528] (--) synaptics: SynPS/2 Synaptics TouchPad: touchpad found
[ 14.528] (II) config/udev: Adding input device SynPS/2 Synaptics TouchPad (/dev/input/mouse1)
[ 14.528] (**) SynPS/2 Synaptics TouchPad: Ignoring device from InputClass "touchpad ignore duplicates"