Re: [Xen-devel] ACPI shutdown unreliable with win7?

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 29/05/15 14:04, Jan Beulich wrote:
>>>> On 29.05.15 at 14:54, <ian.campbell@xxxxxxxxxx> wrote:
>> On Fri, 2015-05-22 at 10:08 +0100, Ian Campbell wrote:
>>> If win7 doesn't shutdown given a power button request I'd be more
>>> inclined to remove the setting in osstest for those flights and let
>>> guest-stop go back to being never pass than to start making such changes
>>> to the VM config which I think would probably break the preceding
>>> suspend and migration tests (which aren't completely reliable, but are
>>> far more so than this shutdown one).
>> Does anyone have any ideas here or shall I propose:
> Unless we have a way to make an adjustment inside the guest for the
> power button to gain "shutdown" meaning, I think there's no alternative
> to the change below.

You can avoid advertising S3/S4 in the ACPI tables, which iirc causes
the same alteration to happen.

Hvmloader uses the platform/acpi_s{3,4} booleans to control whether the
relevant SSDTs are exposed.

~Andrew

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