Comment 22 for bug 1715479

$ loginctl
   SESSION UID USER SEAT
         2 1000 <username> seat0
        c1 42 gdm seat0

  $ loginctl show-session 2 -p Type
Type=x11

$ xinput set-prop 'SynPS/2 Synaptics TouchPad' 'Device Enabled' 0

$ xinput list
⎡ Virtual core pointer id=2 [master pointer (3)]
⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
⎜ ↳ TPPS/2 IBM TrackPoint id=14 [slave pointer (2)]
⎜ ↳ SynPS/2 Synaptics TouchPad id=13 [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)]
    ↳ Sleep Button id=9 [slave keyboard (3)]
    ↳ Yubico Yubico Yubikey II id=10 [slave keyboard (3)]
    ↳ Integrated Camera id=11 [slave keyboard (3)]
    ↳ AT Translated Set 2 keyboard id=12 [slave keyboard (3)]
    ↳ ThinkPad Extra Buttons id=15 [slave keyboard (3)]

Problem still persists.