CANNOT KILL X: X become Zombie and REBOOT must be done !!!

[Alan Cox]

On Tue, Nov 16, 2004 at 12:01:57PM +0100, Alessandro Torrisi wrote:
> Please help me ! I have this problem from FC2 and now with FC3 the same 
> thing !!! I was setting up the screensaver and tested it twice when mouse 
> started to become slow very slow ! KDE was not under my control, so I 
> connected with a notebook to SSH.
> 
> I saw the process X in a ZOMBIE status with a CPU usage of 90% !!!
> Why ? Why cannot kill zombie processes ? What I have to do ?

What video card are you using ?