[Bug 270239] 14-CURRENT is broken on Hyper-V

From: <bugzilla-noreply_at_freebsd.org>
Date: Fri, 17 Mar 2023 05:57:09 UTC

--- Comment #7 from commit-hook@FreeBSD.org ---
A commit in branch main references this bug:


commit f7a884cb017f6618ae872f8d52e80a147daf3f59
Author:     Kyle Evans <kevans@FreeBSD.org>
AuthorDate: 2023-03-16 19:26:28 +0000
Commit:     Kyle Evans <kevans@FreeBSD.org>
CommitDate: 2023-03-17 05:54:32 +0000

    x86: gate smbios hypervisor identification behind vm_guest

    cpuid detection may have picked up a more specific guest type already,
    and a follow-up check of smbios vendor/product may erroneously blow
    away the previously detected type.

    This reportedly fixes the boot under Hyper-V, which advertises an
    smbios.system.product of "Virtual Machine."

    PR:             270239
    Reviewed by:    imp, kib (both earlier version, same concept)
    Fixes:  2fee87562948 ("abstract out the vm detection via smbios..")
    Differential Revision:  https://reviews.freebsd.org/D39140

 sys/dev/smbios/smbios_subr.c | 8 ++++++++
 1 file changed, 8 insertions(+)

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