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[Deevad <863154@xxxxxxxxxxxxxxxxxx>]

I installed another ubuntu based distrib, Ubuntu Studio 11.10 ( witch is
XFCE based ) and ran the same issue.

But this time, after a lot of test, I get it fixed ; and it was after
installing sources from Xorg edgers,  and upgrade all  xorg package via
synaptic ( + restart ) ,   https://launchpad.net/~xorg-
edgers/+archive/ppa . This new upgrades made my system use
nouveau/mesa/gallium instead of Nvidia proprietary ( I see it running
'glxinfo' inside a terminal ) ...so, maybe nvidia proprietary driver
being guilty.

So, I presume I 'sort of' got it fixed ( at least I hope ) and did a
20min painting without any ghost lines problems. I still have to inspect
if 3D performances are enough good to run Blender , games , etc... , I
don't know a lot this new driver "nouveau/mesa/gallium" . My experience
always lead me to had the reflex to install "additional proprietary
driver" at first start after a fresh install...

[ info :  Test run for Gimp 2.6 - Gimp-painter, from Mizuno ppa  + Xorg
Edger upgrade + Ubuntu Studio 11.10 ( witch is XFCE based )   ]

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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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