From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mailman by lists.gnu.org with tmda-scanned (Exim 4.43) id 1NMoNq-0004g4-UY for qemu-devel@nongnu.org; Mon, 21 Dec 2009 14:57:34 -0500 Received: from exim by lists.gnu.org with spam-scanned (Exim 4.43) id 1NMoNm-0004ec-D6 for qemu-devel@nongnu.org; Mon, 21 Dec 2009 14:57:34 -0500 Received: from [199.232.76.173] (port=52529 helo=monty-python.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1NMoNm-0004eZ-8V for qemu-devel@nongnu.org; Mon, 21 Dec 2009 14:57:30 -0500 Received: from mx1.redhat.com ([209.132.183.28]:1617) by monty-python.gnu.org with esmtp (Exim 4.60) (envelope-from ) id 1NMoNl-0006Om-Ru for qemu-devel@nongnu.org; Mon, 21 Dec 2009 14:57:30 -0500 Date: Mon, 21 Dec 2009 21:57:23 +0200 From: Gleb Natapov Message-ID: <20091221195723.GI21163@redhat.com> References: <4B2E6364.9060903@codemonkey.ws> <20091221015948.GA23556@morn.localdomain> <20091221073204.GS4490@redhat.com> <4B2FA518.7000905@codemonkey.ws> <20091221164351.GW4490@redhat.com> <4B2FAFB4.8050102@codemonkey.ws> <20091221174312.GD21163@redhat.com> <1DB151B654AF44C981FA3327A3A514E6@FSCPC> <20091221183603.GE21163@redhat.com> <6664589F83894608AF769A8750A29859@FSCPC> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <6664589F83894608AF769A8750A29859@FSCPC> Subject: [Qemu-devel] Re: Re: [SeaBIOS] [PATCH 0/8] option rom loadingoverhaul. List-Id: qemu-devel.nongnu.org List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Sebastian Herbszt Cc: Kevin O'Connor , Gerd Hoffmann , qemu-devel@nongnu.org On Mon, Dec 21, 2009 at 08:28:20PM +0100, Sebastian Herbszt wrote: > Gleb Natapov wrote: > >On Mon, Dec 21, 2009 at 07:24:43PM +0100, Sebastian Herbszt wrote: > >>Does any OS (Windows?) depend on the tables the bios creates (e.g. smbios) > >>for licensing? It would be ugly if Windows wants you to re-activate after a reboot > >>following a migration to newer qemu version and therefore possibly changed tables > >>due to newer bios. > >> > >I am not talking about OS visible stuff. > > How do you want to avoid OS visible changes if the bios is reread on each reset? People > can upgrade/change their bios in the pc-bios directory and bad things could happen if its > reloaded on each reset. > The fact that people can doesn't mean people should. Arbitrary combination of qemu + BIOS is not supported. If people do what you say the bad things will happen anyway after restarting qemu instead of reboot. -- Gleb.