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Re: [Xen-devel] Bug: Windows 2003 fails to install on xen-unstable tip

>>> On 29.04.13 at 10:20, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
> On Mon, 2013-04-29 at 07:53 +0100, Jan Beulich wrote:
>> >>> On 26.04.13 at 18:56, Ian Campbell <Ian.Campbell@xxxxxxxxxx> wrote:
>> > So does the flag actually require *improper* behaviour from the RTC
>> > (emulated or otherwise)?
>> Yes. Specifically it requires new interrupts to get raised even
>> when the guest never reads REG_C (i.e. not only when
>> RTC_IRQF transitions from 0 to 1).
> OK.
> 23965:6880bfc48504 says that Windows 8 requires this table, but does it
> also require us to set this bit? If our RTC emulation does require an
> ACK then it seems we should simply omit the bit (but not the table),
> will that work with both Win2k3 and Win8?

For Win2k3 it'll work (as I had tried out on Friday). But whether
any tests require the bit to be set for them to pass I don't know.
Which is why I included the original authors of that hvmloader
side change...


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