This was an interesting one, builds completed and looked fine, but wouldn't boot, which was where the fun began.   Initially I thought it was just because we were still using GCC v8 and LT had moved to GCC v9, alas that wasn't the case.   After examining all the bits and watching the builds I tried to boot with all the Nvidia files but using a stock bzroot, which worked.   So then tried to unpack and repack a stock bzroot, which also reproduced the error.  And inter