Public bug reported:
I've upgraded (fresh installation) my OS from 14.04 to 18.04. And everything
but the touchpad seems to work properly.
When i try to drag and drop something or selecting some text seems dead. I
tried to do the same things with an external mouse and it works well.
> sudo libinput measure touchpad-pressure
[sudo] password di matteog:
Using CyPS/2 Cypress Trackpad: /dev/input/event6
Ready for recording data.
Pressure range used: 30:25
Palm pressure range used: 130
Place a single finger on the touchpad to measure pressure values.
Ctrl+C to exit
Sequence 116 pressure: min: 46 max: 95 avg: 84 median: 89 tags: down
Sequence 117 pressure: min: 29 max: 97 avg: 67 median: 86 tags: down
Sequence 118 pressure: min: 25 max: 50 avg: 41 median: 44 tags: down
Sequence 119 pressure: min: 13 max: 14 avg: 13 median: 14 tags:
Sequence 120 pressure: min: 28 max: 31 avg: 29 median: 31 tags: down
Sequence 121 pressure: min: 15 max: 33 avg: 26 median: 29 tags: down
Sequence 122 pressure: min: 37 max: 82 avg: 66 median: 73 tags: down
Sequence 123 pressure: min: 63 max: 94 avg: 83 median: 89 tags: down
Sequence 124 pressure: min: 66 max: 137 avg: 118 median: 126 tags: down palm
Sequence 125 pressure: min: 47 max: 73 avg: 63 median: 68 tags: down
Sequence 126 pressure: min: 33 max: 66 avg: 55 median: 58 tags: down
Sequence 127 pressure: min: 32 max: 100 avg: 81 median: 91 tags: down
Sequence 128 pressure: min: 44 max: 86 avg: 72 median: 78 tags: down
Sequence 129 pressure: min: 62 max: 108 avg: 95 median: 103 tags: down
Sequence 130 pressure: min: 72 max: 131 avg: 118 median: 124 tags: down palm
Sequence 131 pressure: min: 52 max: 112 avg: 96 median: 103 tags: down
Sequence 132 pressure: min: 44 max: 101 avg: 83 median: 88 tags: down
Sequence 133 pressure: min: 150 max: 150 avg: 150 median: 150 tags: down palm
Traceback (most recent call last):
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 299, in <module>
main(sys.argv)
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 289, in main
loop(device)
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 246, in loop
handle_event(device, event)
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 233, in handle_event
handle_abs(device, event)
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 224, in handle_abs
print("\r{}".format(s))
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 105, in __str__
return self._str_state() if self.is_active else self._str_summary()
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 114, in _str_summary
self.avg(),
File "/usr/lib/x86_64-linux-gnu/libinput/libinput-measure-touchpad-pressure",
line 96, in avg
return int(sum([p.pressure for p in self.points])/len(self.points))
ZeroDivisionError: division by zero
** Affects: ubuntu
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1868415
Title:
Dell l322x Touchpad click drag doesn't work
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