The command should have been this: # echo serio1 >/sys/bus/serio/drivers/psmouse/unbind Sorry about the typo (missing stdout redirect). The above command *completely* disables the touchpad as desired, but has the undesired side effect of unbinding serio2 (which disables the trackpoint). -Bruno On Mon, Nov 18, 2019, at 6:50 PM, Bruno Dantas wrote: > I have a T400 laptop running Devuan ASCII with linux 4.16.2 > > Please, this laptop's touchpad generates input "noise" while the lid is > shut, which causes applications that should run while system is idle > (e.g., xscreensaver) not to run. > > I've tried to disable the touchpad via xinput or synaptics, but it does > not remedy the issue. The only remedy I've found is to unbind the > touchpad with this command: > > # echo serio1 /sys/bus/serio/drivers/psmouse/unbind > > Unfortunately, the above command also disables my trackpoint ("nipple > mouse") which I need to remain functional. > > Please, how do I unbind the touchpad without unbinding the trackpoint? > > Thanks, > Bruno "GNUser" > > P.S. This may be useful: > > bruno@thinkpad:~$ cat /proc/bus/input/devices > ---snip--- > I: Bus=0011 Vendor=0002 Product=0007 Version=01b1 > N: Name="SynPS/2 Synaptics TouchPad" > P: Phys=isa0060/serio1/input0 > S: Sysfs=/devices/platform/i8042/serio1/input/input6 > U: Uniq= > H: Handlers=mouse0 event5 > B: PROP=1 > B: EV=b > B: KEY=420 30000 0 0 0 0 > B: ABS=11000003 > > I: Bus=0011 Vendor=0002 Product=000a Version=0000 > N: Name="TPPS/2 IBM TrackPoint" > P: Phys=synaptics-pt/serio0/input0 > S: Sysfs=/devices/platform/i8042/serio1/serio2/input/input7 > U: Uniq= > H: Handlers=mouse1 event6 > B: PROP=21 > B: EV=7 > B: KEY=70000 0 0 0 0 > B: REL=3 >