[Bug 165908] New: Plasma, task manager, tooltip, freeze

[S Hubble]

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http://bugs.kde.org/show_bug.cgi?id=165908         
           Summary: Plasma, task manager, tooltip, freeze
           Product: plasma
           Version: unspecified
          Platform: Ubuntu Packages
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: panel-devel kde org
        ReportedBy: samhubble hotmail com


Version:            (using KDE 4.0.3)
Installed from:    Ubuntu Packages
Compiler:           Frome ubuntu compiled packages repository
OS:                Linux

Summary:
When a tooltip is triggered from the task manager, stops responding to mouse/keyboard input. 

BackTrace - exception not triggered
Expected - system responds to input
Reproduce - Occurs regularly, not able to isolate cause. 

Long:
This is not the 100% CPU usage bug. 
Hovering the cursor over the programs listed in the plasma/kicker-bar task manager produces a tooltip. 
Sometimes, although I have not been able to find a reproducible factor, when a tool tip is displayed, the computer stops responding to mouse and keyboard input. The cursor still moves, but there is no response to clicks, alt-tab, etc. alt-backspace works however. 
I reproduced with process monitor on screen, and did not see a change in CPU load. It is worth mentioning that programs continue to function, playing video, updating a progress bar etc. 
Further, if a program requests focus, it gets focus and the problem is gone.