[virt-tools-list] [PowerKVM][RFC]setting machine type in virt-manager

Li Zhang zhlcindy at linux.vnet.ibm.com
Thu Dec 1 04:49:46 UTC 2011


On 11/30/2011 11:27 PM, Eric Blake wrote:
> On 11/30/2011 02:01 AM, Li Zhang wrote:
>>> - Never show anything about the machine type for i686/x86_64 guests.
>>> Reason is that on fedora at least we have machine types like fedora13,
>>> fedora14, etc. which maybe confuse the user into thinking it has
>>> something to do with the OS installed in the guest (which it doesn't at
>>> all).
>>>
>>> Thanks,
>>> Cole
>>>
>>
>> Hi Cole,
>>
>> Understand.
>> BTW, Isn't machine type 'pc' for X86 architecture?
>> fedora13 and fedora4 seem like OS type.
>> Would you please correct me if I am wrong?
>
> Machine type 'fedora-13' is a Fedora-specific alias for machine type
> 'pc-0.13' - that is, Fedora 13 was using qemu 0.12 but backported a
> patch that added some machine features from qemu 0.13, so it invented
> the name 'fedora-13' to expose those differences in default
> capabilities.  It is a deprecated machine type (see bug
> https://bugzilla.redhat.com/show_bug.cgi?id=754772), and there are plans
> to silently convert 'fedora-13' into 'pc-0.13' prior to Fedora 18.
>
> It has nothing to do with whether the guest or the host is running
> Fedora 13 or any other version (although it will only appear in qemu
> running on a fedora host).
>

Got it. Thanks for your explanation.

Best Regards
Li




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