*** This bug is a duplicate of bug 194214 ***
https://bugs.launchpad.net/bugs/194214
This bug just started to occur on my Ubuntu 7.10 system. I wanted tv
output on my Thinkpad T42 with Radeon 9600M so I switched from the
radeon drivers and compiz-fusion to fglrx drivers with xgl and compiz-
fusion and dual-head xorg.conf for tv-out and all of a sudden random
keypresses are repeated. Most commonly occurs in Firefox when using the
down arrow to scroll, all of a sudden I end up at the bottom of the
page. I can't seem to interrupt the repeat until it finishes. The issue
seems to have resolved itself after I disconnected the second screen and
restarted x (so there is only one connected screen). Though I also
modified my xorg.conf to support horizontal scrolling and installed
gsynaptics. I'm no expert by any means, but I feel like it has to do
with some xorg.conf setting. When setting up dual screens I tried to use
aticonfig to get things started, but I couldn't figure it out so I
modified my xorg.conf manually. maybe aticonfig is the culprit? Will
attach xorg.conf if requested. Will post back if problem recurs without
second screen attached.
--MrAnt--
** 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 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
--
Keyboard keys get stuck and repeat (Feisty, Gutsy)
https://bugs.launchpad.net/bugs/124406
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