General Native tethering not working with custom kernal

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http://androidforums.com – ok here is the problem im having when i flash a rom and a stock kernal my native tethering and hotspot through setting work just fine no problems but anytime i have a customer kernel it breaks my native hotspot and it no longer works it will turn on but wont keep the 4g connection but when i flash back to the stock kernel the native hotspot works just fine again is there any fix to this at this moment in time.... ***fyi im able to use wifi tether app no matter if its a custom kernel or stock kernel (General)