sudo dmesg | grep -i Syn

kn4thx@debian:~$ sudo dmesg | grep -i Syn
[    0.281287] TSC synchronization [CPU#0 -> CPU#1]:
[    0.281291] tsc: Marking TSC unstable due to check_tsc_sync_source failed
[    2.127592] psmouse serio1: synaptics: queried max coordinates: x [..5676], y [..4694]
[    2.163476] psmouse serio1: synaptics: queried min coordinates: x [1266..], y [1162..]
[    2.163486] psmouse serio1: synaptics: Your touchpad (PNP: LEN2064 PNP0f13) says it can support a different bus. If i2c-hid and hid-rmi are not used, you might want to try setting psmouse.synaptics_intertouch to 1 and report this to linux-input@vger.kernel.org.
[    2.270926] psmouse serio1: synaptics: Touchpad model: 1, fw: 8.16, id: 0x1e2b1, caps: 0xf002a3/0x940300/0x12e800/0x400000, board id: 3418, fw id: 2788056
[    2.270939] psmouse serio1: synaptics: serio: Synaptics pass-through port at isa0060/serio1/input0
[    2.334285] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input5
[    3.071716] systemd[1]: Starting Helper to synchronize boot up for ifupdown...
[    3.073714] systemd[1]: Finished Helper to synchronize boot up for ifupdown.