From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Michael S. Tsirkin" Subject: Re: Re: [PATCH 2/3] qemu: make cirrus init value pci spec compliant Date: Sun, 11 Oct 2009 15:52:40 +0200 Message-ID: <20091011135240.GA10277@redhat.com> References: <20091008145241.GC12275@redhat.com> <4ACE0559.5040206@redhat.com> <20091008160623.GA13710@redhat.com> <4ACE0FC6.3050908@redhat.com> <20091008184011.GA6576@shareable.org> <20091011133626.GA10229@redhat.com> <20091011134559.GN16702@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Anthony Liguori , Avi Kivity , kvm-devel , "qemu-devel@nongnu.org" To: Gleb Natapov Return-path: Content-Disposition: inline In-Reply-To: <20091011134559.GN16702@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org On Sun, Oct 11, 2009 at 03:45:59PM +0200, Gleb Natapov wrote: > On Sun, Oct 11, 2009 at 03:36:26PM +0200, Michael S. Tsirkin wrote: > > > No, I think Avi was right the first time. > > > > > > Migrating from an older qemu will be fine at first, but at the next > > > reset _following_ migration, it'll be running the old BIOS on a new > > > qemu and fail. > > > > > > -- Jamie > > > > So after discussion with Gleb, it seems that what will happen > > after migration to new qemu, old BIOS is shadowed, but memory > > is already enabled. After reset, new BIOS will be shadowed > > and it will enable memory. Makes sense? > > > I don't see how you made this conclusion after the discussion. > What should happen is after migration old bios should be used until reboot. > After reboot new bios should be used. I think that's what I said. > What really happens today I don't know. > -- > Gleb.