gillbates wrote: > I'm running CentOS 4.7. I'm having the following problem: > > On > logging out from a GNOME session (Actions -> Log Out -> Log Out), > the computer simply hangs. The Caps Lock and Scroll lock keys on the > keyboard are flashing. I can ping it from another computer, but > services like VNC and Webmin won't work anymore. Keyboard LEDs flashing like that usually mean the system has crashed. > What should I do to troubleshoot the issue? Which log files should I check? You can try to check the logs in /var/log but frequently these types of crashes are not logged. One thing you can do is setup kdump: http://kbase.redhat.com/faq/docs/DOC-6039 I'm old fashioned though and just setup a serial console, since it sounds like it is easily reproducible that's even better. nate