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Message #85004
[Bug 124406] Re: Keyboard keys get stuck and repeat
I have a lead may be
Given scenario I have my keyboard stuck (i.e. I can't do andything with my keyboard)
I suspend my laptop using mouse and voilà my keyboard is working again
Hope this helps!!!
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https://bugs.launchpad.net/bugs/124406
Title:
Keyboard keys get stuck and repeat
Status in GNU Emacs:
Invalid
Status in The Linux Kernel:
Confirmed
Status in X.Org X server:
In Progress
Status in linux package in Ubuntu:
Won't Fix
Status in xorg-server package in Ubuntu:
Won't Fix
Status in linux source package in Jaunty:
Won't Fix
Status in xorg-server source package in Jaunty:
Invalid
Status in Gentoo Linux:
New
Bug description:
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 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.
PS: When the keys would repeat all input devices would be locked up.
ie. mouse won't move, clicks don't do anything, keyboard presses don't
register. Then when it becomes unstuck, the mouse moves around and
everything. Hope this helps.
See also this forum thread for other people with the same problem:
http://ubuntuforums.org/showthread.php?t=432057
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