Forcing close of thread … (未解決)

MySQLの落とすときに

120210 20:36:36 [Note] /usr/libexec/mysqld: Normal shutdown

120210 20:36:38 [Warning] /usr/libexec/mysqld: Forcing close of thread 554  user:''

・・・・・・スレッドの数が1ずつ減っていく

120210 20:36:38 [Warning] /usr/libexec/mysqld: Forcing close of thread 54  user: ''

120210 20:39:51  InnoDB: Starting shutdown...
120210 20:39:52  InnoDB: Shutdown completed; log sequence number 0 1206809921
120210 20:39:52 [Note] /usr/libexec/mysqld: Shutdown complete

ってカンジで

[Warning] /usr/libexec/mysqld: Forcing close of thread ***  user:''

がたくさんある。

なんじゃらほい?