[ltp] X1 (4th Generation) Ubuntu 16.06 trackpoint slow

[Uwe Brauer]

>>> "BM" == Bjørn Mork <bjorn at mork.no> writes:

   > I have an X1 4th Gen, running Debian buster and using libinput.  I do
   > not see any issues with the trackpoint.  It is fast and precise.

   > Extract of the touchpad and traclpoint parts of "libinput list-devices"
   > output:

Sorry is «libinput» an executable?

I don't have that on Ubuntu, but I do have libinput installed
sudo dpkg -l | grep libinput

ii  libinput-bin                                                1.6.3-1ubuntu1~16.04.1                                   amd64        input device management and event handling library - udev quirks
ii  libinput10:amd64                                            1.6.3-1ubuntu1~16.04.1                                   amd64        input device management and event handling library - shared library
ii  xserver-xorg-input-libinput                                 0.18.0-1ubuntu0.1                                        amd64        X.Org X server -- libinput input driver


   > Device:           SynPS/2 Synaptics TouchPad
   > Kernel:           /dev/input/event1
   > Group:            8
   > Seat:             seat0, default
   > Size:             100x57mm
   > Capabilities:     pointer gesture
   > Tap-to-click:     disabled
   > Tap-and-drag:     enabled
   > Tap drag lock:    disabled
   > Left-handed:      disabled
   > Nat.scrolling:    disabled
   > Middle emulation: disabled
   > Calibration:      n/a
   > Scroll methods:   *two-finger edge 
   > Click methods:    *button-areas clickfinger 
   > Disable-w-typing: enabled
   > Accel profiles:   none
   > Rotation:         n/a

   > Device:           TPPS/2 IBM TrackPoint
   > Kernel:           /dev/input/event2
   > Group:            9
   > Seat:             seat0, default
   > Capabilities:     pointer 
   > Tap-to-click:     n/a
   > Tap-and-drag:     n/a
   > Tap drag lock:    n/a
   > Left-handed:      disabled
   > Nat.scrolling:    disabled
   > Middle emulation: disabled
   > Calibration:      n/a
   > Scroll methods:   *button
   > Click methods:    none
   > Disable-w-typing: n/a
   > Accel profiles:   flat *adaptive
   > Rotation:         n/a



   > I believe the acceleration config is the important part.  I cannot
   > remember tinkering with this, so it is probably the default.

   > FWIW, my xorg.conf looks like this (mostly for historical reasons -
   > default would probably work just fine as long as you don't install the
   > old and deprecated synaptics driver - not that this is relevant to the
   > trackpoint at all...):

You are not going to believe this, but I don't have an xorg.conf file as
well.

 Locate xorg.conf

Does not return anything.

What do I miss here?

Uwe Brauer 
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