[SOLVED] how to activate multitap on Debian 9.7

[User111]

Yesterday I followed this guide https://wiki.debian.org/SynapticsTouchp ... Stretch.22 and after I created /etc/X11/xorg.conf.d/40-libinput.conf with these lines

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Section "InputClass"
        Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
        Option "Tapping" "on"
EndSection' 

the system, after reboot didn't start the x server. Practically after the command:

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$ systemctl restart lightdm

I couldn't log in with graphical front end. Why? How can I activate the multitouch on my elantech? Thanks

[ruwolf]

Which error messages does the restart write?

BTW: Try to look at this: wiki.Gentoo.org/wiki/Libinput#Troubleshooting.

[Head_on_a_Stick]

I created /etc/X11/xorg.conf.d/40-libinput.conf with these lines

Probably best to copy /usr/share/X11/xorg.conf.d/40-libinput.conf to /etc/X11/xorg.conf.d/40-libinput.conf and edit the file to your liking. There are several other stanzas relating to other input devices in that file and their lack may be causing your problem.

The Xorg log would show what is actually happening though, as noted by ruwolf.

[bw123]

typo?

EndSection'

[User111]

Which error messages does the restart write?

BTW: Try to look at this: wiki.Gentoo.org/wiki/Libinput#Troubleshooting.

Something like that

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..Data incomplete in file /etc/X11/xorg.conf.d/xkb-defaults.conf
        Undefined Screen "Screen1" referenced by ServerLayout "DefaultLayout".
(EE)
Fatal server error:
(EE) no screens found(EE)
(EE)
Please consult the The X.Org Foundation support
         at http://wiki.x.org
 for help...

I don't remember exatcly, but the screen didn't found by xserver.

[User111]

Only when I removed the directory and file inside it, startx has worked with no problem. How to enable multitouch?

[Head_on_a_Stick]

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..Data incomplete in file /etc/X11/xorg.conf.d/xkb-defaults.conf

So the problem was in that file then, it seems.

Follow my advice in my last post or recreate your own 40-libinput.conf file without the typo noticed by eagle-eyes bw123.

[User111]

I just edited my 40-libinput.conf file in this way:

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..Section "InputClass"
        Identifier "libinput touchpad catchall"
        MatchIsTouchpad "on"
        MatchDevicePath "/dev/input/event*"
        Driver "libinput"
        Option "Tapping" "on"
        Option "ClickMethod" "clickfinger"
        Option "TappingButtonMap" "lmr"
EndSection
..

and after rebooting xserver, the touchpad works fine.

[User111]

I have noticed that: every notebook has, on the touchpad, double buttons one for simulate left button and another for right button. Yesterday, the procedure which I follows doesn't permit to use both button on the touchpad:

- click left button > OK
- click right button > the system shows me command associated with left button

my laptop is Asus E406SA. How to resolve this?

[Head_on_a_Stick]

How to resolve this?

Open a new thread for your problem, please don't hijack already solved threads.