From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1Mwysv-0006Gd-La for qemu-devel@nongnu.org; Sun, 11 Oct 2009 09:54:53 -0400 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1Mwysr-0006EX-5b for qemu-devel@nongnu.org; Sun, 11 Oct 2009 09:54:53 -0400 Received: from [199.232.76.173] (port=43616 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1Mwysq-0006EU-W7 for qemu-devel@nongnu.org; Sun, 11 Oct 2009 09:54:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55656) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1Mwysq-0006ts-EI for qemu-devel@nongnu.org; Sun, 11 Oct 2009 09:54:48 -0400 Date: Sun, 11 Oct 2009 15:52:40 +0200 From: "Michael S. Tsirkin" Subject: Re: [Qemu-devel] Re: [PATCH 2/3] qemu: make cirrus init value pci spec compliant 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 Content-Disposition: inline In-Reply-To: <20091011134559.GN16702@redhat.com> List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gleb Natapov Cc: Anthony Liguori , Avi Kivity , kvm-devel , "qemu-devel@nongnu.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.