How do I record a trace from the kernel debugger?

[Henry Lenzi <henry_(_dot_)_lenzi_(_at_)_gmail_(_dot_)_com>]

Hi all ---

 Been experimenting some kernel panic due to floppy i/o, but this
newbie here doesn't know how I can save the output of the trace. Sorry
if this is really obvious...but I'd like to give a proper report about
the issue.
 Thanks much.

  Henry Lenzi