Sounds like an OpenGL graphics driver misconfiguration to me.  What is the 
graphics card and driver, and like Kay asked, how was the driver configured?  
A friend's computer at one of the lab's here had similar issues, turns out 
the NVidia driver was severly misconfigured.  Fixed following the readme and 
everything was fine.  I'm also running CentOS 4 i386, no issues.

Stuart

On Wednesday 19 September 2007 05:46, Yanming Zhang wrote:
> Hi, All,
> After lunching pymol, if I drag the Xterm window produced by PYMOL using
> mouse, my computer will suddenly freeze, the keyboard seems no longer
> functioning. The only thing I can do is to re-boot my Linux system.
> This problem  makes  it almost impossible for me to use PYMOL on my LINUX
> box(CENTOS 4 i386). I have had the same problem when using COOT, ccp4i.
> Relacing the keyboard and mouse with new ones can not solving this
> problem.
> Thanks for your help
> Yanming

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______________________________________
Stuart T. Endo-Streeter
Structural Biology and Biophysics
Dept. Biochemistry
LSRC C266
Duke University
919-681-1668
[EMAIL PROTECTED]

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