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[Bug 863154] Re: Wacom Bamboo One tablet random coordinate malfunctions

 

Hi everybody,

Just got a bamboo connect ctl-470 and was having the same problem. I am
using oneiric so a installed the new driver as explained in this post :

https://sourceforge.net/mailarchive/forum.php?thread_name=CAG1eVf398pnsDJ
%2Bfm-hzUwyqJqxBCxVt5E1B%2Bi5wyb2LVj8eEg%40mail.gmail.com&forum_name
=linuxwacom-discuss

Then ubuntu finally recognized the wacom tablet but got the same problem
you are getting.

 I found that if I removed Compiz  ( sudo apt-get remove compiz, sudo
apt-get remove compiz-core   )and reboot,  the tablet works just fine
in gimp.

Im kind of new to Linux and dont know what exactly does Compiz do. I
have been working one day and havent noticed a difference since I
removed it ( just a grey background when im logging in for a cople of
seconds  ) Everything else seems fine. Im using this as a temporary
solution to my problem.

Can somebody explain what problems can I possible get because of this
solution?

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https://bugs.launchpad.net/bugs/863154

Title:
  Wacom Bamboo One tablet random coordinate malfunctions

Status in “gimp” package in Ubuntu:
  Confirmed

Bug description:
  The tablet in overall seems to work correctly, with all pressure-
  features working. But quite frequently, while drawing, GIMP seems to
  wrongly read the coordinates of the stylus (as zeros, or negative
  values?), resulting in frequent, random 'line-peaks' in the direction
  of the left and upper image edges. With this bug it is hard to even
  use the tablet, since these problems are very frequent (see the
  exemplary image attached).

  The tablet works with no problems in MyPaint. The bug is reproducible
  in both Unity-2d and Unity-3d.

  I also notice the CPU usage increasing dramatically during drawing
  with any brush.

  Steps to reproduce:
  1. Connect the Wacom Bamboo One tablet
  2. Open GIMP
  3. Start drawing longer strokes with any brush

  Expected result:
  The brush stroke as intended by moving the stylus

  Actual result:
  The brush stroke as intended with frequent, random line-strokes towards image edges

  System: Ubuntu 11.10 oneiric (development branch)
  GIMP version: 2.6.11 (package version: 2.6.11-2ubuntu3)

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References