shutdown script not running until AFTER the first reboot

Tue Oct 25 17:29:58 UTC 2011

(11.04)  I've run "/etc/init.d# update-rc.d myprocess_stop stop 1 0 1 6 ." which adds the appropriate links to /etc/rc0.d rc1.d and rc6.d.  however the scripts are called only until AFTER the first reboot.  Any ideas?
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