[Bug 265734] Mouse randomly acts weird: wrong focus, clicks don't work

[dsurber at xul.com]

https://bugs.kde.org/show_bug.cgi?id=265734


dsurber at xul.com changed:

           What    |Removed                     |Added
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                 CC|                            |dsurber at xul.com




--- Comment #3 from  <dsurber xul com>  2011-03-07 05:21:38 ---
I'm seeing the same behavior. I'm running Kubuntu 10.10. I'm using a Logitech
wireless mouse and Nvidia proprietary drivers. This just started a couple of
days ago, so it is something that has just been pushed to kubuntu via automatic
updates. When it started, the Input Method Switcher showed up in my Settings
menu but reported than zenity was not installed. Installing zenity allowed
im-switcher to work, but made no difference in the mouse event handling.

All movement events work.
button and wheel events within the window with focus work
button events in other windows are ignored.
xev reports all the expected events including button events in blurred windows.
Sometimes right mouse button events will kick something loose so the next left
button event will get processed. 
Cursors mostly change as expected.
Occasionally top reports xorg consuming 100% of a very powerful cpu for several
seconds just to do trivial window operations, like change focus.
Exact same hardware was working prior to recent, past few days, kubuntu
automatic upgrade.
Also I had to enable legacy USB support sometime within the past week. Never
had to do that before. May have happened at the same time as the mouse button
issue.

I can get around with alt-tab, but a lot of stuff is difficult to accomplish.
For example once the screen saver blanks the screen no events seem to get
processed so it is impossible to un-blank the screen. For me this is a serious
bug and if it isn't resolved very soon, at least with a work around, I'm going
to have to do something really drastic to get a working system back.

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