The graphics controller is Intel Corporation 82G33/G31 Express Integrated Graphics Controller This problem is occuring since the time I have updated firefox. Also whenever I open facebook the system hangs and sometimes logs out. But sites like yahoo, gmail, orkut are opening. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20101102/4c00ad43/attachment-0005.html>