Troubleshooting a System Crash Checklist

Use this checklist when gathering system data for a crashed system.

Item	Your Data
Is a core file available?
Identify the operating system release and appropriate software application release levels.
Identify system hardware. Include `prtdiag` output from sun4d systems.
Are patches installed? If so, include `showrev -p` output.
Is the problem reproducible?
Does the system have any third-party drivers?
What was the system doing before it crashed?
Were there any unusual console messages right before the system crashed?
Did you add any parameters to the `/etc/system` file?
Did the problem start recently?