I do not know, maybe it's a mistake AGK. Sometimes lost sensitivity of the screen (usually ipad).
Log:
Oct 26 11:24:00 Novikovs-iPod backboardd [52] <Notice>: Posting 'com.apple.iokit.hid.displayStatus' notifyState = 0
Oct 26 11:24:00 Novikovs-iPod backboardd [52] <Notice>: MultitouchHID: detection mode: 0 -> 255
Oct 26 11:24:00 Novikovs-iPod kernel [0] <Debug>: ALS: AppleARMBacklight :: setBacklightEnableGated 0 (set level to 0x1c8)
Oct 26 11:24:00 Novikovs-iPod kernel [0] <Debug>: AppleMultitouchN1SPI: updating power statistics
Oct 26 11:24:00 Novikovs-iPod kernel [0] <Debug>: ALS: AppleARMBacklight :: handleMessageGated - framebufferState -> 0
Oct 26 11:24:00 Novikovs-iPod profiled [814] <Notice>: (Note) profiled: Recomputing passcode requirement message
Oct 26 11:25:01 Novikovs-iPod profiled [814] <Notice>: (Note) profiled: Idled.
Oct 26 11:25:01 Novikovs-iPod profiled [814] <Notice>: (Note) profiled: Service stopping.