ar 13 11:56:45 rainflying-mbp com.apple.kextd[12]: WARNING - Invalid signature -67061 0xFFFFFFFFFFFEFA0B for kext "/Users/rainflying/Desktop/AppleHDA.kext"
Mar 13 11:56:46 rainflying-mbp kernel[0]: kxld[com.apple.driver.AppleHDA]: The following symbols are unresolved for this kext:
Mar 13 11:56:46 rainflying-mbp kernel[0]: kxld[com.apple.driver.AppleHDA]: __ZN14DspFuncManager22getTailLengthInSamplesEv
Mar 13 11:56:46 rainflying-mbp kernel[0]: kxld[com.apple.driver.AppleHDA]: __ZN14DspFuncManager7prerollEPKvS1_jjjb
Mar 13 11:56:46 rainflying-mbp kernel[0]: Can't load kext com.apple.driver.AppleHDA - link failed.
Mar 13 11:56:46 rainflying-mbp kernel[0]: Failed to load executable for kext com.apple.driver.AppleHDA.
Mar 13 11:56:46 rainflying-mbp kernel[0]: Kext com.apple.driver.AppleHDA failed to load (0xdc008016).
Mar 13 11:56:46 rainflying-mbp kernel[0]: Failed to load kext com.apple.driver.AppleHDA (error 0xdc008016).