On 09/23/15 13:47, Igor Mammedov wrote:
> On Wed, 23 Sep 2015 12:37:08 +0200
> Laszlo Ersek <ler...@redhat.com> wrote:
> 
>> On 09/23/15 10:04, Igor Mammedov wrote:
>>> On Tue, 22 Sep 2015 17:16:24 -0300
>>> Eduardo Habkost <ehabk...@redhat.com> wrote:
>>>
>>>> In 2012, QEMU had a bug where it exposed QEMU version information
>>>> to the guest, meaning a QEMU upgrade would expose different
>>>> hardware to the guest OS even if the same machine-type is being
>>>> used.
>>>>
>>>> The bug was fixed by commit 93bfef4c6e4b23caea9d51e1099d06433d8835a4,
>>>> on all machines up to pc-1.0. But we kept introducing the same
>>>> bug on all newer machines since then. That means we are breaking
>>>> guest ABI every time QEMU was upgraded.
>>>>
>>>> Fix this by setting the hw_version on all PC machines, making
>>>> sure the hardware won't change when upgrading QEMU.
>>>>
>>>> This series is based on Michael's PCI tree, plus the "Set
>>>> broken_reserved_end on pc-*-2.4, not 2.5" patch I submitted
>>>> earlier today.
>>> I haven't seen this patch on list, perhaps it needs to be resubmitted?
>>
>> http://lists.nongnu.org/archive/html/qemu-devel/2015-09/msg05778.html
> If I'm not mistaken it's link to this series and not to
> "Set broken_reserved_end on pc-*-2.4, not 2.5" patch.

Ugh, right. Sorry. I misunderstood what you meant with "this".

Laszlo


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