Follow all these steps in this exact order…this is from hard-won experience!!! 1. cvsup the correct /usr/src – example cvsup files can usually be found in /root/sup. Normally we follow the security releases e.g. RELENG 6_2 rather than stable e.g. RELENG_6 2. read /usr/src/UPDATING to make sure nothing bad is going to happen. 3. rm ...