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Re: [libvirt] [QEMU PATCH] hw/i386: Remove deprecated machines pc-0.10 and pc-0.11



On 2018-12-17 23:57, Michael S. Tsirkin wrote:
> On Mon, Dec 17, 2018 at 05:35:22PM -0200, Eduardo Habkost wrote:
>> On Mon, Dec 17, 2018 at 05:57:37PM +0100, Thomas Huth wrote:
>>> They've been deprecated for two releases and nobody complained that they
>>> are still required anymore, so it's time to remove these now.
>>> And while we're at it, mark the other remaining old 0.x machine types
>>> as deprecated (since they can not properly be used for live-migration
>>> anyway).
>>
>> Do you know why exactly they can't be used for live-migration?

I don't remember the gory details, but IIRC Paolo once said that when
you live-migrate from a QEMU version < 1.3 and then reboot the guest, it
crashes, ... or something similar. Maybe Paolo can give some details again?

>> Maybe we should split the removal of pc <= 0.10 and deprecation
>> of pc <= 0.15 into separate patches?

In that case I'd need to remove the text from qemu-deprecated.texi
first, just to immediately add it afterwards again ... so I'd prefer to
keep this in one patch.

>> Reviewed-by: Eduardo Habkost <ehabkost redhat com>
>>
>> Michael, should I queue this, or should it go through your tree?
> 
> I'll queue it.

Thanks to both of you!

 Thomas


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