X86 4.8 kernel boot questions

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. Hangs at the last message of u-boot, the typical "Starting kernel." The bootcmd and arguments

X86 4.8 kernel boot questions

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. Hangs at the last message of u-boot, the typical "Starting kernel." The bootcmd and arguments