I attempted to jump from head -r334014 to -r339076 on a threadripper 1950X board and the native FreeBSD boot failed very early. (Hyper-V use of the same media did not have this issue.) But copying over an older /boot/loader from another storage device with a FreeBSD head version that has not been updated yet got past the problem being reported here. (For other reasons, the kernel has been moved back to -r338804 --and with that, and the older /boot/loader, the 1950X native-boots FreeBSD all the way just fine.) For the BTX failure the display ends up with (hand transcribed, ". . ." for an omission): BTX loader 1.00 BTX version is 1.02 Console: internal video/keyboard BIOS drive C: is disk0 . . . BIOS drive P: is disk13 - int=00000000 err=00000000 efl=00010246 eip=000096fd eax=74d48000 ebx=74d4e5e0 ecx=00000011 edx=00000000 esi=74d4e380 edi=74d4e5b0 ebp=00091da0 esp=00091d60 cs=002b ds=0033 es=0033 fs=0033 gs=0033 ss=0033 cs:eip=66 f7 77 04 0f b7 c0 89-44 24 0c 89 5c 24 04 8b 45 08 89 04 24 83 64 24-10 00 c7 44 24 08 01 00 ss:esp=00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00-f0 1d 89 00 00 00 00 00 BTX halted The board is a GIGABYTE X399 AORUS Gaming 7 (rev 1.0). It has 96 GiBytes of ECC RAM, just 6 DIMMs installed. === Mark Millard marklmi at yahoo.com ( dsl-only.net went away in early 2018-Mar)Received on Sat Oct 20 2018 - 09:01:00 UTC
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