Warning message ioctl

Has anyone over seen this message on bootup? When booting up, I get:

" Warning: lckdioctl: unknown ioctl cmd:5 ".

It scrolls down the screen 5 - 10 times, the I finally get a login. It is also posting to my syslog file. The system came up, but I am still getting the message periodically.

Thanks !

Please post the OS and version you are running - this will get you an answer more quickly (if there is one).