具体的には
Updating '/usr/src':
Skipped '/usr/src/contrib' -- Node remains in conflict
Skipped '/usr/src/share' -- Node remains in conflict
Skipped '/usr/src/usr.sbin' -- Node remains in conflict
Skipped '/usr/src/etc' -- Node remains in conflict
Skipped '/usr/src/UPDATING' -- Node remains in conflict
Skipped '/usr/src/sys' -- Node remains in conflict
Skipped '/usr/src/release' -- Node remains in conflict
リビジョン 244683 です。
Summary of conflicts:
Skipped paths: 7

unameすると9.1-RELEASE #1 r241734Mてなります。