From mboxrd@z Thu Jan  1 00:00:00 1970
Received: from [140.186.70.92] (port=49169 helo=eggs.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.43) id 1OIOBL-0003SC-FS
	for qemu-devel@nongnu.org; Sat, 29 May 2010 11:42:40 -0400
Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69)
	(envelope-from <herbszt@gmx.de>) id 1OILUj-0002th-Kx
	for qemu-devel@nongnu.org; Sat, 29 May 2010 08:50:30 -0400
Received: from mail.gmx.net ([213.165.64.20]:34846)
	by eggs.gnu.org with smtp (Exim 4.69)
	(envelope-from <herbszt@gmx.de>) id 1OILUj-0002sz-7f
	for qemu-devel@nongnu.org; Sat, 29 May 2010 08:50:29 -0400
Message-ID: <FCC8117D223648ADA822F9575D85D1B5@FSCPC>
From: "Sebastian Herbszt" <herbszt@gmx.de>
References: <4BFFE03F.40606@redhat.com>
In-Reply-To: <4BFFE03F.40606@redhat.com>
Date: Sat, 29 May 2010 14:49:24 +0200
MIME-Version: 1.0
Content-Type: text/plain; format=flowed; charset="iso-8859-1";
	reply-type=original
Content-Transfer-Encoding: 7bit
Subject: [Qemu-devel] Re: [SeaBIOS] SMBIOS strings
List-Id: qemu-devel.nongnu.org
List-Unsubscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <http://lists.nongnu.org/mailman/listinfo/qemu-devel>,
	<mailto:qemu-devel-request@nongnu.org?subject=subscribe>
To: Jes Sorensen <Jes.Sorensen@redhat.com>, seabios@seabios.org
Cc: QEMU Developers <qemu-devel@nongnu.org>

Jes Sorensen wrote:
> Hi,
> 
> We were looking at the dmidecode output from qemu-kvm pre-seabios and
> current qemu-kvm and noticed some of the strings have changed.
> 
> The main problem with this is that certain OSes are quite sensitive to
> system changes and avoiding to change things unnecessarily would
> probably be a good thing.

Which OSes do care? Windows only?

> I wanted to check with the lists if there are any strong feelings about
> this, and whether some of these changes were made for specific reasons?
> 
> For example:
> 
> Handle 0x0000, DMI type 0, 24 bytes
> BIOS Information
> -       Vendor: QEMU
> -       Version: QEMU
> +       Vendor: Bochs
> +       Version: Bochs
>        Release Date: 01/01/2007
>        Address: 0xE8000
>        Runtime Size: 96 kB

You can configure this with CONFIG_APPNAME.

> and this:
> 
> Handle 0x0401, DMI type 4, 32 bytes
> Processor Information
> -       Socket Designation: CPU 1
> +       Socket Designation: CPU01
>        Type: Central Processor
>        Family: Other
> -       Manufacturer: QEMU
> -       ID: 63 06 00 00 FD FB 8B 07
> +       Manufacturer: Bochs
> +       ID: 23 06 00 00 FD FB 8B 07
>        Version: Not Specified
>        Voltage: Unknown
>        External Clock: Unknown
> 
> I guess the Socket Designation in particular might have been done for a
> reason?
> 
> Otherwise, if there are no objections, I'll look at adding some patches
> to make it more backwards compatible.
> 
> Cheers,
> Jes

Is the different ID displayed on the same VM configuration (esp. -cpu option) ?
The value is gained by calling CPUID so it should not be different.

Which pre-seabios qemu-kvm bios are you comparing to?

Sebastian