matteog@matteog-XPS:~$ apport-collect 1868415
Package xorg-server not installed and no hook available, ignoring
Gtk-Message: 22:35:22.139: GtkDialog mapped without a transient parent. This is 
discouraged.


No further information has been collected

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https://bugs.launchpad.net/bugs/1868415

Title:
  Dell l322x Touchpad click drag doesn't work

Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  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

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