xfce upgrade kills xfce menus

[Warren Block]

On Sat, 5 Mar 2011, Zhihao Yuan wrote:

> Well, another big issue. Please help me to perform the test: in the
> Settings/Desktop/Menus, when "Show applications menu on desktop right
> click" option is checked, see whether xfdesktop process consume 100% cpu
> in your `top` (on my system, it increases to 100).

This sounds like what I reported on the ports mailing list in a thread 
called "xfce4-desktop-4.8.1_1".

xfdesktop goes to 100% on startup.  After a minute or so, it drops back.