sluggish X.org/Xfce behavior

[Warren Block]

On Tue, 20 Nov 2012, René Ladan wrote:

> On 20-11-2012 15:34, Warren Block wrote:
>> On Tue, 20 Nov 2012, René Ladan wrote:
>>
>>> since last weekend (November 17th) I have been noticing a sluggish
>>> behavior of X.org/Xfce. Typical symptoms are:
>>> - Alt-Tab not reacting all of the time
>>> - pulldown/popup menus not allowing selections with mouse (typically in
>>> Terminal/pidgin), or moving the mouse (touchpad) results in an automatic
>>> click
>>> - typing something in a Terminal requires mouse (touchpad) movements for
>>> the text to show up
>>> - sometimes moving the mouse (touchpad) is required for the laptop to
>>> "wake up"; this is noticeable when Thunderbird downloads all messages
>>> from the period when the laptop was "frozen".
>>
>> This is one of the problems that having Option "AllowEmptyInput" "Off"
>> in xorg.conf causes.  If you have that, substitute Option
>> "AutoAddDevices" "Off" in the same place.
> Commenting out "AllowEmptyInput" "Off" (and not having an AutoAddDevices
> entry) works for me.
>
> Must do better homework...

http://www.wonkity.com/~wblock/docs/html/aei.html gives more detail.