[Bug 275353] Boot loader crashes on AMD Ryzen 5 3600

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 26 Nov 2023 15:52:05 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=275353

John F. Carr <jfc@mit.edu> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |jfc@mit.edu

--- Comment #5 from John F. Carr <jfc@mit.edu> ---
The bytes at eip encode

lock notl %edi

which is indeed an invalid instruction corresponding with int=6 (#UD) printed
above.

The byte sequence 0xf0, 0xf7, 0xd7 is also invalid in 16 bit mode.

-- 
You are receiving this mail because:
You are the assignee for the bug.