From: Hans-Jörg Höxer <hshoexer@genua.de>
Subject: Re: [EXT] Re: remove vmd's send/receive functionality
To: <tech@openbsd.org>
Date: Tue, 24 Jun 2025 14:16:21 +0200

Hi,

On Fri, Jun 06, 2025 at 08:42:17PM +0200, Alexander Bluhm wrote:
> ...
> I know that hshoexer@ used it to create files with memory images
> of virtual machines.  Then he could verify that AMD SEV did encrypt
> everything.  It is helpfull to analyze the memory layout of the
> guest.  But with arrival of SEV-SNP this won't be possible anymore.

fwiw:  Last year I used a slightly modified version of "vmctl send" to
dump RAM only.  This was handy to verify that SEV is actually encrypting
memory.  I'm fine with the removal.

Take care,
Hans-Joerg