On Tue, Apr 04, 2017 at 10:54:06AM -0700, Fenghua Yu wrote: > On Tue, Apr 04, 2017 at 10:25:46AM -0700, Tracy Smith, CEO wrote: > > Hi All, > > > > The production board I'm using doesn't have a JTAG available, > > upgrading to 4.8 from 4.1,.and need to understand why Linux 4.8.3 > > doesn't boot on a x86_64 corei7-64. Boots with no issues with 4.1. 4.8 is not maintained anymore, so not much I can do here, but git bisect is going to be your friend, good luck! greg k-h