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Date: Mon, 23 Apr 2012 10:29:30 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Leslie Jensen <leslie@eskk.nu>
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	(wonkity.com [127.0.0.1]); Mon, 23 Apr 2012 10:29:30 -0600 (MDT)
Cc: freebsd-questions@freebsd.org
Subject: Re: Lots of lagging after upgrade of xorg.
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On Mon, 23 Apr 2012, Leslie Jensen wrote:

>
> Hello list.
>
> I'm experiencing a lot of lagging after I've upgraded xorg. I use XFCE and 
> just changing from one desktop to another now feels really slow.
>
> If I click on a button in an application I have to move the mouse pointer 
> before there's a reaction to the click.
>
> In a terminal window I also have to move the pointer outside before the input 
> from the keyboard is registered.

That is often a symptom of setting Option "AllowEmptyInput" "Off".

If you have AEI settings in xorg.conf, remove them.  Use Option 
"AutoAddDevices" "Off" to disable HAL input device detection.