Hi Christopher,
I actually sorta solved this by going to xinput and setting the property
"device acceleration profile" to 0.
On Mon, Jan 9, 2017, 3:25 PM Christopher M. Penalver <
christopher.m.penal...@gmail.com> wrote:
> Alonso Gutierrez (alonsougc), it will help immensely if you filed a new
> report with Ubuntu by ensuring you have the package xdiagnose installed,
> and that you click the Yes button for attaching additional debugging
> information running the following from a terminal:
> ubuntu-bug xorg
>
> Also, please feel free to subscribe me to it.
>
> For more on why this is helpful, please see
> https://wiki.ubuntu.com/ReportingBugs.
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1305494
>
> Title:
> noticeable touchpad lag that feels like a low-pass for movements
>
> Status in xserver-xorg-input-synaptics package in Ubuntu:
> Expired
>
> Bug description:
> The touchpad on my new laptop works fine (with multitouch and all) but
> when I stop moving my finger the mouse pointer still moves for a quarter of
> a second or similar as if a low-pass would filter the movements.
> Unfortunately this delay makes it hard not to miss a button at the first
> try and having to come back because stopping exactly a quarter of a second
> before the pointer hits the button - involves complex timing; When clicking
> or tapping on the buttons I don't get any noticable delay.
>
> I know that when using the OS from M$ you can activate a low-pass filter
> for movements that is called "trägheitsbewegung" in the german version of
> that OS.
>
> Is there a way to do the same on Ubuntu?
>
> [148735.141] (II) config/udev: Adding input device ETPS/2 Elantech
> Touchpad (/dev/input/event12)
> [148735.141] (**) ETPS/2 Elantech Touchpad: Applying InputClass "evdev
> touchpad catchall"
> [148735.141] (**) ETPS/2 Elantech Touchpad: Applying InputClass
> "Multitouch Touchpad"
> [148735.141] (II) LoadModule: "mtrack"
> [148735.141] (II) Loading /usr/lib/xorg/modules/input/mtrack_drv.so
> [148735.141] (II) Module mtrack: vendor="X.Org Foundation"
> [148735.141] compiled for 1.15.0, module version = 0.1.0
> [148735.141] Module class: X.Org XInput Driver
> [148735.142] ABI class: X.Org XInput driver, version 20.0
> [148735.142] (II) Using input driver 'mtrack' for 'ETPS/2 Elantech
> Touchpad'
> [148735.142] (**) ETPS/2 Elantech Touchpad: always reports core events
> [148735.142] (**) ETPS/2 Elantech Touchpad: always reports core events
> [148735.142] (**) Option "config_info"
> "udev:/sys/devices/platform/i8042/serio1/input/input7/event12"
> [148735.142] (II) XINPUT: Adding extended input device "ETPS/2 Elantech
> Touchpad" (type: TOUCHPAD, id 13)
> [148735.142] (II) device control: init
> [148735.142] (**) Option "Device" "/dev/input/event12"
> [148735.142] (II) mtrack: devname: ETPS/2 Elantech Touchpad
> [148735.142] (II) mtrack: devid: 2 e 0
> [148735.142] (II) mtrack: caps: left mtdata
> [148735.142] (II) mtrack: 0: min: 0 max: 2220
> [148735.142] (II) mtrack: 5: min: 0 max: 3256
> [148735.142] (II) mtrack: 6: min: 0 max: 1776
> [148735.142] (II) mtrack: 9: min: 0 max: 65535
> [148735.142] (II) mtrack: 10: min: 0 max: 255
> [148735.156] (**) ETPS/2 Elantech Touchpad: (accel) keeping acceleration
> scheme 1
> [148735.156] (**) ETPS/2 Elantech Touchpad: (accel) acceleration profile
> 0
> [148735.156] (**) ETPS/2 Elantech Touchpad: (accel) acceleration factor:
> 2.000
> [148735.156] (**) ETPS/2 Elantech Touchpad: (accel) acceleration
> threshold: 4
> [148735.156] (II) device control: on
> [148735.156] (II) Touchpad supports regular touches.
> [148735.156] (II) touch_min = 0, touch_max = 2220
> [148735.156] (II) config/udev: Adding input device ETPS/2 Elantech
> Touchpad (/dev/input/mouse1)
> [148735.157] (**) ETPS/2 Elantech Touchpad: Applying InputClass
> "Multitouch Touchpad"
> [148735.157] (II) Using input driver 'mtrack' for 'ETPS/2 Elantech
> Touchpad'
> [148735.157] (**) ETPS/2 Elantech Touchpad: always reports core events
> [148735.157] (**) ETPS/2 Elantech Touchpad: always reports core events
> [148735.157] (**) Option "config_info"
> "udev:/sys/devices/platform/i8042/serio1/input/input7/mouse1"
> [148735.157] (II) XINPUT: Adding extended input device "ETPS/2 Elantech
> Touchpad" (type: TOUCHPAD, id 14)
> [148735.157] (II) device control: init
> [148735.157] (**) Option "Device" "/dev/input/mouse1"
>
