Thinkpad T450s show "Unable to find a synaptics device" when run perl xSwipe.pl

[yimun]

My system is Ubuntu 14.04, when I run 'perl xSwipe.pl', it shows like this：

➜  perl xSwipe.pl 
Smartmatch is experimental at xSwipe.pl line 121.
Unable to find a synaptics device.
Unable to find a synaptics device.

### init_synclient
Unable to find a synaptics device.
Unable to find a synaptics device.

### @area_setting: []
### $touchpad_size_h: 0
### $touchpad_size_w: 0
### $x_min_thredshould: 0
### $y_min_thredshould: 0
### $inner_edge_left: '0'
### $inner_edge_right: '0'
### $inner_edge_top: '0'
### $inner_edge_bottom: '0'

### $session_name: 'ubuntu'
Can't access shared memory area. SHMConfig disabled?
Unable to find a synaptics device.

### init

I doubt maybe something wrong with the touchpad driver. When input xinput list and it shows:

⎡ Virtual core pointer                        id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ PS/2 Synaptics TouchPad                   id=9    [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)]
    ↳ Sleep Button                                id=8    [slave  keyboard (3)]
    ↳ Integrated Camera                           id=10   [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard                id=11   [slave  keyboard (3)]
    ↳ ThinkPad Extra Buttons                      id=13   [slave  keyboard (3)]

[tx46]

Same problem here. Compiled and installed driver (from Chosko). Touchpad stops working after login. Synclient says it's not loaded.

[iaxax]

Same problem!Hope to get a solution.Thanks.

[tx46]

Try the following upon login:

sudo modprobe -r psmouse
sudo modprobe psmouse

Works for me.

[iaxax]

Thanks much for your help!But it doesn't work for me.Here's the hint.

Smartmatch is experimental at ./xSwipe.pl line 121.
Unable to find a synaptics device.
Couldn't find synaptics properties. No synaptics driver loaded?

init_synclient

Couldn't find synaptics properties. No synaptics driver loaded?
Couldn't find synaptics properties. No synaptics driver loaded?

@area_setting: []

$touchpad_size_h: 0

$touchpad_size_w: 0

$x_min_thredshould: 0

$y_min_thredshould: 0

$inner_edge_left: '0'

$inner_edge_right: '0'

$inner_edge_top: '0'

$inner_edge_bottom: '0'

$session_name: 'ubuntu'

Can't access shared memory area. SHMConfig disabled?
Couldn't find synaptics properties. No synaptics driver loaded?

init

[tx46]

Have you installed the modified synaptics driver from Chosko?

[iaxax]

I just follow the README. Do you mean this?

NOTE: If using Ubuntu14.04, or later

Install older version synaptics driver that is compatible with xSwipe.

$ sudo apt-get install -y git build-essential libevdev-dev autoconf automake libmtdev-dev xorg-dev xutils-dev libtool
$ sudo apt-get remove -y xserver-xorg-input-synaptics
$ git clone https://github.com/Chosko/xserver-xorg-input-synaptics.git
$ cd xserver-xorg-input-synaptics
$ ./autogen.sh
$ ./configure --exec_prefix=/usr
$ make
$ sudo make install

[tx46]

Yes. After that, using modprobe solves the issue for me as I described above. I cannot help you further than that. :-(

[iaxax]

OK.Anyway, I really appreciate for your help and patience!

[nonbinary]

For some machines, this will likely be linked to libinput. Several distros are moving away from synaptics drivers, and are starting to use libinput instead. I have the same issue on fedora 24, and I think it's because fedora no longer uses synaptics drivers, they use libinput instead. Not sure if xSwipe is compatible with libinput yet.

[yimun]

I upgrade my system to Ubuntu 14.04.1 and problem solved!