I get the following output:
MacBook:~ user$ sudo kextcache -Boot -U/[/size]
rebuilding //System/Library/PrelinkedKernels/prelinkedkernel
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext VoodooHDA.kext
kext-dev-mode allowing invalid signature -67062 0xFFFFFFFFFFFEFA0A for kext NullEthernet.kext
kext file:///System/Library/Extensions/DisableTurboBoostBattery.kext/ is in hash exception list, allowing to load
kext-dev-mode allowing invalid signature -67013 0xFFFFFFFFFFFEFA3B for kext AppleMobileDevice.kext
kext file:///System/Library/Extensions/AppleHDADisabler.kext/ is in hash exception list, allowing to load
KernelCache ID: 00F1525FD3B2B827C2F6F653305D26F0
File at path '/System/Library/PrelinkedKernels/prelinkedkernel' changed, cannot be used
Child process /usr/sbin/kextcache[17785] exited with status 77.
Error 107 rebuilding /System/Library/PrelinkedKernels/prelinkedkernel
This doesn't look right - is it right?