[Bug 282852] bhyve: Failed to emulate instruction sequence

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 19 Nov 2024 23:56:40 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282852

Mark Peek <mp@FreeBSD.org> changed:

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                 CC|                            |mp@FreeBSD.org

--- Comment #1 from Mark Peek <mp@FreeBSD.org> ---
Created attachment 255307
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=255307&action=edit
Add F6 test emulation

Likely your change looked similar to this patch. You need to:

1. Apply the patch
2. Rebuild vmm.ko
3. Rebuild bhyve

I'm guessing you did #1 and #2. The instruction emulation runs in the bhyve
user process which needs #3.

Note: I tested this with a fabricated test in a FreeBSD VM with a user program
and it seemed to work. I'd be curious if this fixes your uefi issue.

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