From: Miod Vallat <miod@online.fr>
Subject: Re: sysupgrade vs NFS
To: Klemens Nanni <kn@openbsd.org>
Cc: tech@openbsd.org
Date: Sat, 14 Jun 2025 16:24:24 +0000

> I have not seen any actual error or explanation as to what goes wrong,
> thus I don't understand where this is coming from.

Maybe you should have read the first message from this thread, to begin
with? NFS mounts are not available during upgrade, therefore if you
don't use the -b option to select something different than
/home/_sysupgrade and /home is mounted on NFS, the upgrade fails.