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Date: Tue, 21 May 2013 23:00:55 +0800
From: Li Zhang <zhlcindy@gmail.com>
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Subject: Re: [Qemu-devel] [qemu-devel][libvirt] Default machine type setting
 for ppc64
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To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Peter Maydell <peter.maydell@linaro.org>, libvir-list@redhat.com, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, anthony@codemonkey.ws, Paul Mackerras <paulus@au1.ibm.com>, Pradipta Kumar Banerjee <bpradip@in.ibm.com>

On 2013年05月21日 17:25, Daniel P. Berrange wrote:
> On Tue, May 21, 2013 at 05:02:51PM +0800, Li Zhang wrote:
>> On 2013年05月21日 16:45, Peter Maydell wrote:
>>> On 21 May 2013 09:39, Daniel P. Berrange <berrange@redhat.com> wrote:
>>>> Libvirt has always had support for specifying what machine type to use.
>>>> This discussion is simply about what machine type to default to, if the
>>>> user hasn't explicitly asked for one.
>>>>
>>>> QEMU has the notion of a default machine for each target, and that is
>>>> what libvirt uses if the user hasn't specified a machine.  It is not
>>>> libvirt's job to override QEMU's notion of the default machine here,
>>> Agreed; thanks for the clarification.
>>>
>>>> so if the 'mac99' machine type isn't suitable as the default either
>>>> QEMU needs to change that for the ppc target, or the user needs to
>>>> explicitly specify their desired machine type.
>>> OK, that makes sense. So is the problem here just configuration
>>> or is it the next layer above libvirt not being configurable?
>> Currently, the next layer above libvirt is not configurable.
>> It is dependent on this default setting. Users also expect
>> to start one VM successfully by default.
> What is the application above libvirt you are using ? It clearly
> needs to be fixed if it is to use non-x86 archs successfully.

Sorry for replying late. The applications are openstack and ovirt.

Thanks.
-- Li

>
> Daniel