As described here [1] installing xserver-xorg-input-libinput-hwe-16.04
and reloading psmouse with proto=imps enables the middle button. Also
scrolling with middle button + trackpoint works, but two-finger
scrolling using the touchpad does not work. It would be nice to be able
to use touchpad and tr
dmesg also tells us that psmouse failed to retrieve extended button
data:
[...]
[ 5276.513617] psmouse serio7: trackpoint: failed to get extended button data
[ 5280.377455] psmouse serio7: trackpoint: IBM TrackPoint firmware: 0x0e,
buttons: 0/0
[...]
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Some more debug info:
$ sudo dmidecode -t 21
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.
Handle 0x0035, DMI type 21, 7 bytes
Built-in Pointing Device
Type: Track Point
Interface: PS/2
Buttons: 3
Handle 0x0036, DMI type 21, 7 bytes
Built-in Point
I found that
sudo modprobe -r psmouse
sudo modprobe psmouse proto=imps
enables the middle button, i.e. pasting works. BUT scrolling with
touchpad or middle button + trackpoint does not work.
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Bugs, which is subscribed to U
Same for proto=exps and proto=bare.
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https://bugs.launchpad.net/bugs/1670492
Title:
No TrackPoint scroll
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