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#1 2017-05-25 08:28:16

Gerenuk
Member
Registered: 2009-12-02
Posts: 15

Touchpad mouse cursor starts jumping

Hi,

occasionally the touchpad goes crazy and the cursor starts jumping and even clicking. I have an Aspire V15 Nitro VN7, KDE and libinput is installed. The jumping was worse a couple of months ago.
It can usually be fixed for some time by disabling and enabling the touchpad by the laptop keys.

So I looked into xinput, but I'm not sure where to continue to do something about it

> xinput
⎡ Virtual core pointer                          id=2    [master pointer  (3)]
⎜   ↳ Virtual core XTEST pointer                id=4    [slave  pointer  (2)]
⎜   ↳ SYN1B7F:00 06CB:7406 Touchpad             id=12   [slave  pointer  (2)]
⎜   ↳ Logitech M505/B605                        id=10   [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)]
    ↳ Video Bus                                 id=8    [slave  keyboard (3)]
    ↳ Sleep Button                              id=9    [slave  keyboard (3)]
    ↳ AT Translated Set 2 keyboard              id=13   [slave  keyboard (3)]
    ↳ Acer WMI hotkeys                          id=14   [slave  keyboard (3)]
    ↳ HD WebCam                                 id=11   [slave  keyboard (3)]

> xinput list-props 12
Device 'SYN1B7F:00 06CB:7406 Touchpad':
        Device Enabled (139):   1
        Coordinate Transformation Matrix (141): 1.000000, 0.000000, 0.000000, 0.000000, 1.000000, 0.000000, 0.000000, 0.000000, 1.000000
        libinput Tapping Enabled (295): 1
        libinput Tapping Enabled Default (296): 0
        libinput Tapping Drag Enabled (297):    1
        libinput Tapping Drag Enabled Default (298):    1
        libinput Tapping Drag Lock Enabled (299):       0
        libinput Tapping Drag Lock Enabled Default (300):       0
        libinput Tapping Button Mapping Enabled (301):  1, 0
        libinput Tapping Button Mapping Default (302):  1, 0
        libinput Accel Speed (277):     0.000000
        libinput Accel Speed Default (278):     0.000000
        libinput Natural Scrolling Enabled (282):       0
        libinput Natural Scrolling Enabled Default (283):       0
        libinput Send Events Modes Available (262):     1, 1
        libinput Send Events Mode Enabled (263):        0, 0
        libinput Send Events Mode Enabled Default (264):        0, 0
        libinput Left Handed Enabled (284):     0
        libinput Left Handed Enabled Default (285):     0
        libinput Scroll Methods Available (286):        1, 1, 0
        libinput Scroll Method Enabled (287):   1, 0, 0
        libinput Scroll Method Enabled Default (288):   1, 0, 0
        libinput Click Methods Available (303): 1, 1
        libinput Click Method Enabled (304):    1, 0                                                                    
        libinput Click Method Enabled Default (305):    1, 0                                                            
        libinput Middle Emulation Enabled (291):        0                                                               
        libinput Middle Emulation Enabled Default (292):        0                                                       
        libinput Disable While Typing Enabled (306):    1                                                               
        libinput Disable While Typing Enabled Default (307):    1                                                       
        Device Node (265):      "/dev/input/event9"
        Device Product ID (266):        1739, 29702
        libinput Drag Lock Buttons (293):       <no items>
        libinput Horizontal Scroll Enabled (294):       1

It was a guess that I could something here, but I do not even see relevant values.

What to do?

Gerenuk

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