** Summary changed:

- Keyboard keys get stuck and repeat (Feisty)
+ Keyboard keys get stuck and repeat (Feisty, Gutsy)

** Description changed:

  Keyboard keys such as the arrows, Alt-F4, PageUp/PageDown, etc. often
  get 'stuck' and continue being 'clicked' even after they are physically
  released. For example when clicking Alt-F4, sometimes it gets stuck so
  all the windows are closed instead of just one.
  
  My configuration is Feisty + Xgl + Compiz Fusion. My previous
  configuration was Edgy + Xgl + Beryl, where this didn't happen. Others
  have reported the same problem without using either Xgl or Compiz.
  
- The Compiz Fusion folks said this is a well-known Xgl problem, but I
- couldn't find supporting evidence for that.
- 
  The keyboard itself isn't the problem. When dual-booting to Windows,
  everything works fine. Also, the problem happens with two different
  keyboards (internal laptop, external USB).
  
+ My best guess is that the problem occurs at time of high system load.
+ Somehow during these times the key-release signal gets lost and the key-
+ press is repeated indefinitely. This happens more often with Compiz
+ configurations because Compiz tends to increase system load. It also
+ happens more often with power-hungry apps like Firefox and Acrobat
+ Reader for similar reasons.
+ 
  See also this forum thread for other people with the same problem:
  http://ubuntuforums.org/showthread.php?t=432057

-- 
Keyboard keys get stuck and repeat (Feisty, Gutsy)
https://bugs.launchpad.net/bugs/124406
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