下面出现的这句代表什么意思
apr 3 18:23:25 xxx picld[73]:keyswith position changed to locked

picld
The Platform Information and Control Library (PICL) provides
     a  mechanism  to  publish  platform-specific information for
     clients to access in a platform-independent way. picld main-
     tains  and  controls  access  to  the  PICL information from
     clients and plug-in modules. The daemon is started  in  both
     single-user and multi-user boot mode.
这个是系统进程，检测到你机器前面钥匙的位置改变到"locked"的位置。