ProCurve Switch 6600ml-24G-4XG# show log
 -a                    Display all log events, including those from previous
                       boot cycles.
 -r                    Display log events in reverse order (most recent first).
 -m                    Major event class.
 -p                    Performance event class.
 -w                    Warning event class.
 -i                    Information event class.
 -d                    Debug event class.
 OPTION-STR            Filter events shown.
 <cr>
ProCurve Switch 6600ml-24G-4XG# show log