ubuntu-x-swat team mailing list archive

[PeteC <peterpion@xxxxxxxxx>]

** Description changed:

  Binary package hint: xorg
+ 
+ UPDATE - this is caused when panning occurs in the smaller screen. Use
+ of nomodeset prevents the problem.
  
  Panning works, but if I move the mouse rapidly in a way which causes the
  laptop LCD to pan to a border, the movement of the screen seems unable
  to keep up - the result is that the mouse becomes misaligned on the
  laptop screen. IE if I hover over a specific point (like an icon on the
  desktop) as viewed in the external monitor, the mouse pointer will be
  over a different point on the laptop LCD. If I then click on that point,
  the point which becomes 'clicked' is the point shown on the external
  monitor, not the internal LCD. This misalignment can be reset by moving
  very slowly to each corner of the virtual screen in turn. Once this is
  done, the mouse pointers show in the same place on both screens. Moving
  rapidly once again results in misaligned pointers. Different
  misalignment each time.
  
  New Ubuntu 9.10 installation on new Lenovo x200 tablet. Dell 1920x1200
  monitor on VGA port, internal LCD is 1280x800. Using xrandr to enable
  panning with the following commands:
  
  xrandr --fb 1920x1200
  xrandr --output VGA1 --mode 1920x1200
  xrandr --output VGA1 --pos 0x0
  xrandr --output LVDS1 --panning 1920x1200+0+0/1920x1200+0+0/0/0/0/0
  
  No xorg.conf file is used.
  
  X version is 1.6.4, xrandr -v reports 1.3
  
  OS is 2.6.24-23-server i686 Ubuntu
  
  lspci -vv reports:
  Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)
  Kernel driver in use: i915
  
  This is the first time I have submitted a bug, and I apologise in
  advance if I have done something wrong. I have searched the web for this
  problem and the only thing I find that sound similar is 3 years old in
  xrandr 1.2 so it seems unrelated.

-- 
Mouse becomes misaligned when panning enabled with dual monitors
https://bugs.launchpad.net/bugs/508002
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