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Date:      Sat, 24 Oct 2020 16:51:27 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 250580] VMware UEFI guests crash in virtual hardware after r366691
Message-ID:  <bug-250580-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D250580

            Bug ID: 250580
           Summary: VMware UEFI guests crash in virtual hardware after
                    r366691
           Product: Base System
           Version: Unspecified
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: prj@rootwyrm.com

Confirmed using multiple guests, all amd64. The breaking commit was the MFS=
12
of r366422 and r366588. UEFI guests prior to that MFS are able to successfu=
lly
boot reliably. No extra crap. It Just Worked(TM).

Any attempt after this results in an immediate crash and full power off of =
the
VM (AHCI signaled) at the point of switching to UEFI console, AFTER reporti=
ng
which console is being switched to.
Bifurcating the MFS into the original commits did not help either. The only=
 fix
that worked was backing out all of r366691.

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