amd64/167498: update Xorg 5.1.2 and kde 4.7.4: double click of the mouse is uncertain

[AMAILLAND GERARD]

>Number:         167498
>Category:       amd64
>Synopsis:       update Xorg 5.1.2 and kde 4.7.4: double click of the mouse is uncertain
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          update
>Submitter-Id:   current-users
>Arrival-Date:   Tue May 01 19:00:21 UTC 2012
>Closed-Date:
>Last-Modified:
>Originator:     AMAILLAND GERARD
>Release:        8.2 RELEASE
>Organization:
INRA
>Environment:
8.2-RELEASE-p6 FreeBSD 8.2-RELEASE-p6  /usr/obj/usr/src/sys/GENERIC  amd64
>Description:
Hello

My computer: Dell Latitude E6410
Nvidia NVS 3100M
kde 4.7.4
Update of xorg 7.5.1 to 7.5.2
The application launch is slow. The double click of the mouse is uncertain.
If the application is frozen, I move the mouse to unlock.
I have not found a solution.
I have reinstalled xorg 7.5.1
>How-To-Repeat:

>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: